Specifications
Pontiac Grand Prix
Pontiac Grand Prix factory specifications: 448 sourced across 42 model years, 1962–2008.
448 specifications · 112 sources
1962
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 120 in | Grand Prix |
| Overall length | 211.6 in | Grand Prix |
| Overall height | 54.5 in | Grand Prix |
| Axle ratio | 3.42 :1 | Grand Prix standard |
| Shipping weight | 3,835 lb | Grand Prix |
| Curb weight | 3,990 lb | Car Life 421 test car |
| Overall width | 78.6 in | 1962 full-size Pontiac (all series) |
| Front tread | 62.5 in | 1962 full-size Pontiac |
| Rear tread | 62.5 in | 1962 full-size Pontiac |
| Standard tires | 8.00 x 14 | Pontiac coupes and sedans; 8.50 x 14 optional |
| Dry weight (Motor Trend test car, manufacturer specification) | 3,984 lb | Grand Prix, 303 hp, Hydra-Matic, as printed by Motor Trend |
| Standard axle ratio with Hydra-Matic (Motor Trend test car) | 3.23 :1 | Grand Prix 303 hp with three-speed Hydra-Matic; 3.42, 3.64, 3.90 listed as available, special-order ratios to 4.89 |
| Trunk capacity | 33.2 cu ft | Grand Prix, spare in place, as stated by Motor Trend |
1963
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 120 in | Grand Prix |
| Overall length | 211.9 in | Grand Prix |
| Overall height | 54.1 in | Grand Prix |
| Shipping weight | 3,915 lb | Grand Prix |
| Curb weight | 4,190 lb | Motor Trend test car (manufacturer specification) |
| Overall width | 78.7 in | 1963 full-size Pontiac (all series) |
| Front tread | 64 in | 1963 full-size Pontiac |
| Rear tread | 64 in | 1963 full-size Pontiac |
| Standard tires | 8.00 x 14 | passenger cars; 8.50 x 14 optional |
| Four-speed ratios (421 CID) | 2.20 / 1.64 / 1.30 / 1.00, reverse 2.26 :1 | 421 four-speed; 389 four-speed 2.54 / 1.92 / 1.50 / 1.00 (close ratio special order for 389) |
| Rear axle ratios offered | seven ratios; 3.64 and 3.90 special order only | 1963 full-size Pontiac |
| Curb weight (AMA) | 4,123 lb | Grand Prix 2957, standard equipment |
| Shipping weight (AMA, licensing weight) | 3,930 lb | Grand Prix 2957 |
| Standard power team | 389 4-bbl 303 hp with heavy-duty 3-speed synchromesh, axle 3.42 (3.64 optional); four-speed optional | Grand Prix series 29 |
| Axle ratios with Hydra-Matic 375 | 3.23 (standard), 3.42 :1 | Grand Prix 389 4-bbl 303 hp with Hydra-Matic 375 |
| Axle ratio with 421 HO engines | 3.42 :1 | 421 HO four-barrel and 3-2 barrel, all transmissions |
| Paint finish | Acrylic lacquer | 1963 Pontiac, including Grand Prix |
| Rear window | Concave, one piece | Grand Prix 2957 |
1964
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 120 in | Grand Prix (series 29) |
| Overall length | 213 in | Grand Prix |
| Overall height | 54.6 in | Grand Prix |
| Shipping weight | 3,930 lb | Grand Prix |
| Overall width | 79.2 in | 1964 full-size Pontiac |
| Rear track | 64 in | 1964 full-size Pontiac |
| Standard tires | 8.00 x 14 | passenger cars |
| Standard axle ratios | 3.23 manual; 3.08 automatic :1 | Grand Prix column |
1965
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 121 in | Grand Prix |
| Overall length | 214.6 in | Grand Prix |
| Overall height | 53.9 in | Grand Prix |
| Shipping weight | 4,282 lb | Grand Prix |
| Overall width | 79.6 in | 1965 full-size Pontiac |
| Front track | 63 in | 1965 full-size Pontiac |
| Rear track | 64 in | 1965 full-size Pontiac |
| Standard tires | 8.25 x 14 (8.55 x 14 with air conditioning) | 1965 full-size Pontiac |
| Curb weight (AMA estimated) | 4,110 lb | Grand Prix Sports Coupe 26657 |
| Shipping weight (AMA, licensing weight) | 3,909 lb | Grand Prix Sports Coupe 26657; Turbo Hydra-Matic adds 45 lb |
| Usable luggage capacity | 18.9 cu ft | Grand Prix 26657 |
| Standard power team | 389 4-bbl 10.5:1, 333 hp @ 5,000 / 429 lb-ft @ 3,200 with 3-speed synchromesh, axle 3.23 (3.42 optional; 3.42 used with the optional 4-speed) | Grand Prix series 266 |
| Axle ratios with Turbo Hydra-Matic (325 hp) | 3.08 (standard), 2.73, 3.23 :1 | Grand Prix series 266, 389 4-bbl 325 hp |
| Transmission ratios | 3-speed 2.42/1.61/1.00; 4-speed 2.56/1.91/1.48/1.00; Turbo Hydra-Matic 2.48/1.48/1.00 :1 | 1965 full-size Pontiac |
| Clock | Standard (optional on Catalina only) | Grand Prix |
| Paint finish | Acrylic lacquer | 1965 full-size Pontiac |
1966
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 121 in | Grand Prix |
| Overall length | 214.8 in | Grand Prix |
| Overall height | 53.9 in | Grand Prix |
| Shipping weight | 4,015 lb | Grand Prix |
| Overall width | 79.7 in | 1966 full-size Pontiac |
| Front track | 63 in | 1966 full-size Pontiac |
| Rear track | 64 in | 1966 full-size Pontiac |
| Standard tires | 8.25 x 14 (8.55 x 14 with air conditioning) | 1966 full-size Pontiac |
1967
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 121 in | Grand Prix |
| Overall length | 215.6 in | Grand Prix |
| Overall height | 54.2 in | Grand Prix |
| Shipping weight | 4,005 lb | Grand Prix hardtop coupe |
| Shipping weight | 4,040 lb | Grand Prix convertible |
| Overall width | 79.4 in | Bonneville and Grand Prix |
| Front track | 63 in | 1967 full-size Pontiac |
| Rear track | 64 in | 1967 full-size Pontiac |
| Standard tires | 8.25 x 14 (8.55 x 14 with air conditioning) | 1967 full-size Pontiac |
| Transmission ratios | 3-speed 2.42/1.61/1.00; 4-speed 2.52/1.88/1.46/1.00 (close ratio 2.20/1.64/1.28/1.00 optional); Turbo Hydra-Matic 400 2.48/1.48/1.00 :1 | 1967 full-size Pontiac |
| Brake system | Dual master cylinder new for 1967; front disc brakes optional | Grand Prix |
1968
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 121 in | Grand Prix |
| Overall length | 216.3 in | Grand Prix |
| Overall height | 53 in | Grand Prix |
| Shipping weight | 4,075 lb | Grand Prix |
| Overall width | 79.8 in | 1968 full-size Pontiac |
| Front track | 63 in | 1968 full-size Pontiac |
| Rear track | 64 in | 1968 full-size Pontiac |
| Standard tires | 8.55 x 14 (8.85 x 14 4-ply or H70 x 15 optional) | 1968 full-size Pontiac passenger cars other than 25269/25211 |
| Transmission ratios | 3-speed 2.42/1.61/1.00; 4-speed 2.52/1.88/1.46/1.00 (close ratio 2.20/1.64/1.28/1.00 optional); Turbo Hydra-Matic 400 2.48/1.48/1.00 :1 | 1968 full-size Pontiac |
| Standard exterior and running-gear items | Deluxe wheel discs, fender skirts, dual exhausts; three-speed manual standard with the 350 hp 400 | Grand Prix |
1969
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 118 in | Grand Prix |
| Overall length | 210.2 in | Grand Prix |
| Overall width | 75.7 in | Grand Prix |
| Overall height | 52.1 in | Grand Prix |
| Shipping weight | 3,715 lb | Grand Prix |
| Front track | 62 in | Grand Prix |
| Rear track | 60 in | Grand Prix |
| Tires | G78 x 14 standard (SJ G78-14 white-line); G70 x 14 optional | Grand Prix |
| Transmission ratios | 3-speed 2.42/1.61/1.00; 4-speed 2.52/1.88/1.46/1.00 (special order 2.20/1.64/1.28/1.00); Turbo Hydra-Matic 400 2.48/1.48/1.00 :1 | Grand Prix |
| Rear axle ratios | 400 economy AMT 2.93; 400 350 hp AMT 3.23 (2.93, 3.55 optional), manual 3.55; 428 370 hp AMT 3.23 (2.93, 3.55 optional), manual 3.55; 428 HO 390 hp AMT 3.36 (2.93, 3.55 optional), manual 3.55 :1 | Grand Prix |
| SJ package content | SJ emblems; 428 370 hp V-8 (390 hp 428 HO available); automatic-leveling heavy-duty suspension; Rally gauges; G78-14 white-line tires; heavy-duty 3.55 axle with manual, 3.23 with automatic | Grand Prix SJ option |
| Curb weight (Car and Driver SJ test car) | 4,206 lb | SJ test car as equipped |
1970
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 118 in | Grand Prix |
| Overall length | 210.2 in | Grand Prix |
| Overall height | 52 in | Grand Prix |
| Overall width | 75.7 in | Grand Prix |
| Front track | 62 in | Grand Prix |
| Rear track | 60 in | Grand Prix |
| Tires | G78 x 14 standard; G70 x 14 optional | Grand Prix |
| Shipping weight | 3,784 lb | Grand Prix sport coupe |
| Transmission ratios | 3-speed 2.42/1.61/1.00; 4-speed 2.52/1.88/1.46/1.00 (special order 2.20/1.64/1.28/1.00); Turbo Hydra-Matic 400 2.48/1.48/1.00 :1 | Grand Prix |
| Rear axle ratios | 400 350 hp four-speed 3.55; 455 370 hp automatic 3.07 (3.31 optional), three-speed 3.31, four-speed 3.55 :1 | Grand Prix |
| Brakes | Power front disc brakes standard (new for 1970) | Grand Prix |
| Hurst SSJ base colors | Ordered in Cameo White or Starlight Black (the fact sheet also says Polar White or Starlight Black) with Fire Frost Gold accents | Hurst SSJ conversion (not Pontiac factory production) |
1971
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 118 in | Grand Prix |
| Overall length | 212.9 in | Grand Prix |
| Shipping weight | 3,838 lb | Grand Prix at introduction |
| Shipping weight | 3,863 lb | Grand Prix after March 1971 |
| Overall width | 76.4 in | Grand Prix |
| Front track | 62 in | Grand Prix |
| Rear track | 60 in | Grand Prix |
| Tires and wheels | G78-14 blackwall on 7-inch-wide safety rims standard; G70 x 14 optional | Grand Prix |
| Transmission ratios | 3-speed 2.42/1.58/1.00; 4-speed 2.52/1.88/1.46/1.00; M40 Turbo Hydra-Matic 2.48/1.48/1.00 :1 | Grand Prix |
| Rear axle ratios | 400 300 hp four-speed 3.23; 455 325 hp automatic 3.07 :1 | Grand Prix |
| Compression ratio | 8.4 :1 | 400 and 455 (down from 10.25:1 in 1970, for regular fuel) |
| Standard equipment | Power steering (variable ratio), power front disc brakes, Deluxe wheel covers, concealed wipers, dual exhausts with the 400 | Grand Prix |
1972
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 3,898 lb | Grand Prix hardtop |
| Wheelbase | 118 in | Grand Prix hardtop coupe |
| Overall length | 213.6 in | Grand Prix hardtop coupe |
| Overall width | 76.4 in | Grand Prix hardtop coupe |
| Front tread | 62 in | Grand Prix hardtop coupe |
| Rear tread | 60 in | Grand Prix hardtop coupe |
| Overall height | 52 in | Grand Prix hardtop coupe |
| Front leg room (maximum effective) | 42.4 in | Grand Prix hardtop coupe |
| Rear leg room (minimum effective) | 31.6 in | Grand Prix hardtop coupe |
| Front head room (seat depressed) | 37.5 in | Grand Prix hardtop coupe |
| Rear head room (seat depressed) | 36.5 in | Grand Prix hardtop coupe |
| Standard axle ratio, 400 4-bbl | 3.08 (3.23 available) :1 | Grand Prix |
| Standard axle ratio, 455 4-bbl | 3.07 (3.31 available) :1 | Grand Prix |
| Standard tyres | G78-14 blackwall | Grand Prix hardtop coupe |
1973
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 4,025 lb | Grand Prix hardtop |
| Shipping weight | 4,400 lb | Grand Prix SJ hardtop |
| Wheelbase | 116 in | Grand Prix hardtop coupe |
| Overall length | 216.6 in | Grand Prix hardtop coupe |
| Overall width | 78.3 in | Grand Prix hardtop coupe |
| Overall height | 52.9 in | Grand Prix hardtop coupe |
| Track, front/rear | 61.9/61.1 in | Grand Prix hardtop coupe |
| Head room, front/rear | 37.6/37.3 in | Grand Prix hardtop coupe |
| Leg room, front/rear | 42.4/33.5 in | Grand Prix hardtop coupe |
| Shoulder room, front/rear | 58.8/57.1 in | Grand Prix hardtop coupe |
| Trunk capacity | 14.3 cu ft | Grand Prix hardtop coupe |
| Axle ratios by engine (standard; available) | 400 4-bbl: 2.93 (3.08); 455 4-bbl: 3.08 (3.23); SD 455 4-bbl: 3.42 :1 | Grand Prix |
| Standard tyres | G78-15 blackwall | Grand Prix hardtop coupe |
1974
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 4,096 lb | Grand Prix J hardtop |
| Shipping weight | 4,300 lb | Grand Prix SJ hardtop |
| Overall length | 217.5 in | Grand Prix hardtop coupe |
| Overall width | 77.9 in | Grand Prix hardtop coupe |
| Wheelbase | 116 in | Grand Prix hardtop coupe |
| Track, front/rear | 61.9/61.1 in | Grand Prix hardtop coupe |
| Leg room, front/rear | 42.4/33.5 in | Grand Prix hardtop coupe |
| Shoulder room, front/rear | 58.8/57.1 in | Grand Prix hardtop coupe |
| Hip room, front/rear | 56.9/52.9 in | Grand Prix hardtop coupe |
| Front head room | 37.7 in | Grand Prix hardtop coupe (rear figure printed as 32.2 not used) |
1975
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 4,032 lb | Grand Prix J hardtop (the catalogue gives no weight for SJ or LJ) |
| Overall length | 212.7 in | Grand Prix hardtop coupe |
| Overall width | 77.8 in | Grand Prix hardtop coupe |
| Wheelbase | 116 in | Grand Prix hardtop coupe |
| Track, front/rear | 61.6/61.1 in | Grand Prix hardtop coupe |
| Head room, front/rear | 37.5/37.4 in | Grand Prix hardtop coupe |
| Leg room, front/rear | 42.5/33.5 in | Grand Prix hardtop coupe |
| Shoulder room, front/rear | 58.8/58.1 in | Grand Prix hardtop coupe |
| Hip room, front/rear | 54.9/52.7 in | Grand Prix hardtop coupe |
| SJ standard tyres | GR70-15 steel-belted radials on Rally II wheels | Grand Prix SJ |
1976
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 4,048 lb | Grand Prix hardtop (J57) |
| Shipping weight | 4,052 lb | Grand Prix SJ hardtop (K57) |
| Overall length | 212.7 in | Grand Prix, SJ and LJ hardtop coupes |
| Overall width | 77.8 in | Grand Prix, SJ and LJ hardtop coupes |
| Wheelbase | 116 in | Grand Prix, SJ and LJ hardtop coupes |
| Track, front/rear | 61.6/61.1 in | Grand Prix, SJ and LJ hardtop coupes |
| Head room, front/rear | 37.2/36.9 in | Grand Prix, SJ and LJ hardtop coupes |
| Leg room, front/rear | 42.5/33.5 in | Grand Prix, SJ and LJ hardtop coupes |
| Shoulder room, front/rear | 58.8/58.1 in | Grand Prix, SJ and LJ hardtop coupes |
| Hip room, front/rear | 54.9/52.7 in | Grand Prix, SJ and LJ hardtop coupes |
| Fuel tank | 25 US gal | Grand Prix |
| Cooling system | 22.1 qt | Grand Prix |
| Standard tyres | GR78-15 GM-specification steel-belted radials (Radial Tuned Suspension) | Grand Prix |
1977
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 3,804 lb | Grand Prix (J57) |
| Shipping weight | 3,815 lb | Grand Prix LJ (K57) |
| Shipping weight | 3,976 lb | Grand Prix SJ (H57) |
| Overall length | 212.7 in | Grand Prix hardtop coupe |
| Overall width | 77.8 in | Grand Prix hardtop coupe |
| Wheelbase | 116 in | Grand Prix hardtop coupe |
| Track, front/rear | 61.6/61.1 in | Grand Prix hardtop coupe |
| Head room, front/rear | 37.2/36.9 in | Grand Prix hardtop coupe |
| Leg room, front/rear | 42.5/33.5 in | Grand Prix hardtop coupe |
| Hip room, front/rear | 54.9/52.7 in | Grand Prix hardtop coupe |
| Trunk capacity | 15.1 cu ft | Grand Prix hardtop coupe |
| SJ tyres | GR70-15 steel-belted radials on Rally II wheels | Grand Prix SJ |
1978
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight, V-6 / V-8 | 3,101 / 3,224 lb | Grand Prix (J37) |
| Shipping weight | 3,216 lb | Grand Prix LJ (K37) |
| Shipping weight | 3,229 lb | Grand Prix SJ (H37) |
| Overall length | 201.2 in | Grand Prix coupe (base automobile) |
| Overall width | 72.8 in | Grand Prix coupe (base automobile) |
| Wheelbase | 108.1 in | Grand Prix coupe (base automobile) |
| Track, front/rear | 58.5/57.8 in | Grand Prix coupe (base automobile) |
| Head room, front/rear | 37.6/37.8 in | Grand Prix coupe (base automobile) |
| Leg room, front/rear | 42.8/36.3 in | Grand Prix coupe (base automobile) |
| Hip room, front/rear | 51.6/54.9 in | Grand Prix coupe (base automobile) |
| Trunk capacity | 16.1 cu ft | Grand Prix coupe |
1979
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight, V-6 / V-8 | 3,126 / 3,205 lb | Grand Prix (J37) |
| Shipping weight | 3,285 lb | Grand Prix LJ (K37) |
| Shipping weight | 3,349 lb | Grand Prix SJ (H37) |
| Overall length | 201.4 in | Grand Prix, base automobile |
| Overall width | 72.7 in | Grand Prix, base automobile |
| Wheelbase | 108.1 in | Grand Prix, base automobile |
| Tread, front/rear | 58.5/57.8 in | Grand Prix, base automobile |
| Head room, front/rear | 37.6/37.8 in | Grand Prix, base automobile |
| Leg room, front/rear | 42.8/36.3 in | Grand Prix, base automobile |
| Shoulder room, front/rear | 55.7/55.9 in | Grand Prix, base automobile |
| Hip room, front/rear | 51.6/54.9 in | Grand Prix, base automobile |
| Trunk capacity | 16.1 cu ft | Grand Prix |
| Standard tyres | 195/75R14 black steel-belted radial | Grand Prix and LJ |
| Axle ratios, Grand Prix and LJ (standard / available) | LD5 3-speed manual 2.93; LD5 automatic 2.41 (2.73); L27 automatic 2.14 or 2.29; L37 4-speed 2.73; L37 automatic 2.29 (2.56); LG4 altitude automatic 2.73; LD5 California automatic 2.73; LG4 California automatic 2.29 (2.73) :1 | Grand Prix and Grand Prix LJ |
| Axle ratios, SJ (standard / available) | L37 4-speed 2.73; L37 automatic 2.29 (2.56); LG4 altitude 2.73; LG4 California 2.29 (2.73) :1 | Grand Prix SJ |
1980
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight, V-6 / V-8 | 3,139 / 3,263 lb | Grand Prix (J37) |
| Shipping weight, V-6 / V-8 | 3,279 / 3,406 lb | Grand Prix LJ (K37) |
| Shipping weight | 3,291 lb | Grand Prix SJ (H37) |
| Overall length | 201.4 in | Grand Prix, base automobile |
| Overall width | 72.7 in | Grand Prix, base automobile |
| Wheelbase | 108.1 in | Grand Prix, base automobile |
| Tread, front/rear | 58.5/57.8 in | Grand Prix, base automobile |
| Head room, front/rear | 37.6/37.8 in | Grand Prix, base automobile |
| Leg room, front/rear | 42.8/36.3 in | Grand Prix, base automobile |
| Shoulder room, front/rear | 56.4/55.9 in | Grand Prix, base automobile |
| Hip room, front/rear | 51.7/54.9 in | Grand Prix, base automobile |
| Trunk capacity | 16.1 cu ft | Grand Prix |
| Fuel tank | 18.1 US gal | Grand Prix |
| Standard tyres | 195/75R14 black steel-belted radial; compact spare | Grand Prix |
| Axle ratios (standard / available) | LD5 2.41 (3.08); LS5 2.29; L37 2.14 (2.41); LG4 California 2.29 (2.73); SJ L37 with W72 2.93; SJ LG4 California 2.73 (2.29) :1 | Grand Prix, LJ and SJ |
1981
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight, V-6 / V-8 | 3,166 / 3,287 lb | Grand Prix (J37) |
| Shipping weight, V-6 / V-8 | 3,195 / 3,316 lb | Grand Prix LJ (K37) |
| Shipping weight, V-6 / V-8 | 3,231 / 3,342 lb | Grand Prix Brougham (P37) |
| Overall length | 201.9 in | Grand Prix, LJ and Brougham, base automobile |
| Overall width | 72.1 in | Grand Prix, LJ and Brougham, base automobile |
| Wheelbase | 108.1 in | Grand Prix, LJ and Brougham, base automobile |
| Tread, front/rear | 58.5/57.8 in | Grand Prix, LJ and Brougham |
| Head room, front/rear | 37.6/37.8 in | Grand Prix, LJ and Brougham |
| Leg room, front/rear | 42.8/36.3 in | Grand Prix, LJ and Brougham |
| Shoulder room, front/rear | 56.4/55.9 in | Grand Prix, LJ and Brougham |
| Hip room, front/rear | 51.7/54.9 in | Grand Prix, LJ and Brougham |
| Trunk capacity | 16.6 cu ft | Grand Prix |
| Fuel tank | 18.1 (19.8 with diesel) US gal | Grand Prix |
| Standard tyres | 195/75R14 blackwall steel-belted radial | Grand Prix, LJ and Brougham |
1982
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 3,276 lb | Grand Prix, LJ and Brougham (the search text shows the same figure on all three rows) |
| Wheelbase | 108.1 in | Grand Prix, base automobile |
| Overall length | 201.9 in | Grand Prix, base automobile |
| Width | 72.1 in | Grand Prix, base automobile |
| Overall height | 54.7 in | Grand Prix, base automobile |
| Tread, front | 58.5 in | Grand Prix, base automobile |
| Tread, rear | 57.8 in | Grand Prix, base automobile |
| Front head room | 37.6 in | Grand Prix, base automobile |
| Front leg room | 42.8 in | Grand Prix, base automobile |
| Front shoulder room | 56.4 in | Grand Prix, base automobile |
| Front hip room | 51.7 in | Grand Prix, base automobile |
| Rear head room | 37.8 in | Grand Prix, base automobile |
| Rear leg room | 36.3 in | Grand Prix, base automobile |
| Rear shoulder room | 55.9 in | Grand Prix, base automobile |
| Rear hip room | 54.9 in | Grand Prix, base automobile |
| Trunk capacity | 16.1 cu ft | Grand Prix |
| Fuel tank | 18.1 (19.8 with diesel) US gal | Grand Prix |
1983
| Measure | Value | Applies to |
|---|---|---|
| Standard tyres | 195/75R14 steel-belted radial blackwall | Grand Prix, LJ and Brougham |
1984
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight | 3,207 lb | Grand Prix LE (K37) |
| Shipping weight | 3,217 lb | Grand Prix Brougham (P37) |
| Standard tyres | P195/75R14 all-season steel-belted radial blackwall | Grand Prix, LE and Brougham |
| EPA estimated mpg / highway estimate (as printed, federal / California) | LD5 automatic 21/20 mpg, highway 31/30; LG4 3-speed 17 (Calif. 18), highway 25 (26); LG4 4-speed 18, highway 29; LF9 diesel not available at time of printing mpg | Grand Prix |
1985
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight, V-6 | 3,148 lb | Grand Prix (J37) |
| Shipping weight, V-6 | 3,168 lb | Grand Prix LE (K37) |
| Shipping weight, V-6 | 3,186 lb | Grand Prix Brougham (P37) |
| Wheelbase | 108.1 in | Grand Prix, base automobile |
| Overall length | 201.9 in | Grand Prix, base automobile |
| Width | 72.3 in | Grand Prix, base automobile |
| Overall height | 54.7 in | Grand Prix, base automobile |
| Tread, front | 58.5 in | Grand Prix, base automobile |
| Tread, rear | 57.8 in | Grand Prix, base automobile |
| Front head room | 37.6 in | Grand Prix, base automobile |
| Front leg room | 42.8 in | Grand Prix, base automobile |
| Front shoulder room | 56.7 in | Grand Prix, base automobile |
| Front hip room | 51.7 in | Grand Prix, base automobile |
| Rear head room | 37.8 in | Grand Prix, base automobile |
| Rear leg room | 36.4 in | Grand Prix, base automobile |
| Rear shoulder room | 55.9 in | Grand Prix, base automobile |
| Rear hip room | 54.9 in | Grand Prix, base automobile |
| Trunk capacity | 16.4 cu ft | Grand Prix |
| Fuel tank | 18.1 US gal | Grand Prix |
| Standard tyres | P195/75R14 all-season steel-belted radial blackwall | Grand Prix, LE and Brougham |
| Overall top gear ratio, LG4 with standard 3-speed automatic | 2.29 :1 | Grand Prix with optional 5.0 V-8 |
1986
| Measure | Value | Applies to |
|---|---|---|
| Shipping weight, V-6 | 3,161 lb | Grand Prix (J37) |
| Shipping weight, V-6 | 3,178 lb | Grand Prix LE (K37) |
| Shipping weight, V-6 | 3,201 lb | Grand Prix Brougham (P37) |
1988
| Measure | Value | Applies to |
|---|---|---|
| Engine output | 130 hp | 2.8 L V6, all Grand Prix models; catalog prints no rpm |
| Engine torque | 160 lb-ft | 2.8 L V6, all Grand Prix models; catalog prints no rpm |
| Wheelbase | 107.6 in | all Grand Prix models |
| Track, front/rear | 59.5/58.0 in | all Grand Prix models |
| Overall length | 194.1 in | all Grand Prix models |
| Overall width | 71 in | all Grand Prix models |
| Overall height | 53.3 in | all Grand Prix models |
| Curb weight | 3,038 lb | as printed in Vital Specs; the catalog does not separate it by trim |
| Fuel tank capacity | 16 gal | all Grand Prix models |
| Trunk capacity | 15 cu ft | all Grand Prix models |
| Steering ratio | 15.7:1 | all Grand Prix models |
| Stabilizer bar diameter, front/rear | 28/12 standard; 30/12 with the Y99 Rally Tuned suspension mm | all Grand Prix models |
| Wheel size | 14 x 6 standard; 15 x 6 with the Y99 Rally Tuned suspension in | all Grand Prix models |
| Standard tires | P195/75R14 steel-belted all-season; SE P215/65R15 Goodyear Eagle GT+4 | Grand Prix and LE; SE as stated |
| Standard transmission | 4-speed automatic; 5-speed manual standard on the SE | Grand Prix, LE and SE |
| Brakes | power four-wheel disc | all Grand Prix models, standard |
1989
| Measure | Value | Applies to |
|---|---|---|
| Front stabilizer bar | Level I 28 mm; Level II 30 mm | all 1989 coupes |
| Rear suspension | fully independent, tri-link with MacPherson strut; Level I and II 12 mm stabilizer bar | all 1989 coupes |
| Brakes | power four-wheel disc; anti-lock system available | all 1989 coupes |
1990
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 107.5 in | sedans |
| Overall length | 194.8 in | sedans |
| Width | 70.9 in | sedans |
| Overall height | 54.3 in | sedans |
| Curb weight | 3,250 to 3,491 lb | sedans, range as printed |
| Fuel tank | 16 gal | sedans |
| Trunk | 15.5 cu ft | sedans |
| Weight distribution, front/rear | 64/36 % | sedans |
| Brakes | power four-wheel disc, vented 10.5 in front and solid 10.1 in rear rotors | sedans |
| Steering ratio | 15.7:1 (LE); 15.7:1 Sport-effort (STE); 2.89 turns lock-to-lock LE, 2.6 STE | sedans |
| Turning circle | 38.9 ft LE; 40.5 ft STE | sedans |
| Tires | Level I P195/75R14 all-season or optional P205/65R15 touring; Level II P215/60R16 Goodyear Eagle GT+4 (STE only) | sedans |
| Front stabilizer bar | Level I 28 mm; Level II 30 mm; rear 12 mm | sedans |
| Interior: head/leg/shoulder/hip room, front/rear | 38.7/37.8; 42.4/36.2; 57.2/57.3; 53.1/53.9 in | sedans |
1991
| Measure | Value | Applies to |
|---|---|---|
| Curb weight range | 3214 to 3434 lb | Grand Prix models, as printed in Vital Specs |
| Fuel tank capacity | 16.5 gal | all Grand Prix models |
| Trunk capacity | 15.2 coupe; 15.5 sedan cu ft | Grand Prix |
| 0-60 mph time | 7.5 s | GT with the 3.4 L V6, 5-speed manual and 3.67:1 axle, as printed |
| Lateral acceleration | 0.8 g | as printed in Vital Specs |
| Weight-to-horsepower ratio | 16.2:1 | as printed in Vital Specs |
| Weight distribution, front/rear | 65/35 percent | as printed in Vital Specs |
| Front stabilizer bar diameter | 28 (Level I); 34 (Levels II and III) mm | Grand Prix |
| Rear stabilizer bar diameter | 12; 14 with the 3.4 L V6 mm | Grand Prix |
| Brakes | front vented disc 10.5 in; rear solid disc 10.1 in | Grand Prix |
| Steering ratio | 15.7:1; 14.0:1 with the 3.4 L V6 | Grand Prix |
| Steering turns lock-to-lock | 2.6; 2.26 on GT and STE | Grand Prix |
| Turning circle | Level I 36.7; Levels II and III 39.0 ft | Grand Prix |
| Tires by level | Level I P205/70R15 touring; Level II P215/60R16 Eagle GT+4, or P225/60R16 with B4U only; Level III P245/50ZR16 Eagle Gatorback (GTP) | Grand Prix |
| Interior dimensions, coupe, front/rear | headroom 37.8/36.7; legroom 42.3/34.8; shoulder room 57.3/57.3; hip room 52.0/53.3 in | Grand Prix coupe |
| Interior dimensions, sedan, front/rear | headroom 38.2/37.8; legroom 42.4/36.2; shoulder room 57.2/57.4; hip room 53.1/54.3 in | Grand Prix sedan |
| Engine output and torque, 2.3 L Quad 4 16-valve | 160 hp; 155 lb-ft | LE and SE, standard engine |
| Engine output and torque, 3.1 L V6 with multi-port injection | 140 hp; 185 lb-ft | available on LE and SE, standard on GT and STE |
| Engine output and torque, 3.4 L Twin Dual Cam V6 | 210 hp; 215 lb-ft (200 hp with the 4-speed automatic) | available on SE, GT and STE |
| Transmissions by engine | 3-speed automatic with the 2.3 L; 4-speed automatic with overdrive with the 3.1 L; 4-speed electronic automatic or 5-speed manual with the 3.4 L | Grand Prix |
1994
| Measure | Value | Applies to |
|---|---|---|
| Standard tires (SE coupe) | P215/60R16 touring | SE coupe, window sticker |
1996
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 107.5 (2730 mm) in | SE Coupe and SE Sedan, Canadian-market catalog |
| Overall length | 194.8 coupe (4947 mm); 194.9 sedan (4951 mm) in | Canadian-market catalog |
| Overall width | 71.9 (1825 mm) in | Canadian-market catalog |
| Overall height | 52.9 coupe (1341 mm); 54.8 sedan (1391 mm) in | Canadian-market catalog |
| Tread, front/rear | 59.5/58.0 (1512/1472 mm) in | Canadian-market catalog |
| Headroom, front/rear | coupe 37.8/37.0 (959/939 mm); sedan 38.6/37.7 (981/957 mm) in | Canadian-market catalog |
| Legroom, front/rear | coupe 42.3/34.8 (1075/884 mm); sedan 42.4/36.2 (1077/920 mm) in | Canadian-market catalog |
| Shoulder room, front/rear | coupe 57.3/57.2 (1455/1453 mm); sedan 57.2/57.4 (1454/1457 mm) in | Canadian-market catalog |
| Hip room, front/rear | coupe 52.0/53.3 (1320/1353 mm); sedan 53.1/54.3 (1348/1378 mm) in | Canadian-market catalog |
| Trunk capacity | coupe 14.9 cu ft (421 L); sedan 15.5 cu ft (439 L) | Canadian-market catalog |
| Fuel tank capacity | 65 L, printed as 14.2 gal (presumed imperial gallons) | Canadian-market catalog |
| Curb weight (estimated) | SE Coupe 3258 (1478 kg); GTP Coupe 3426 (1554 kg); SE Sedan 3329 (1510 kg); GT Sedan 3494 (1585 kg) lb | Canadian-market catalog |
| Engine, 3.1 L 3100 V6 with SFI | 160 hp at 5200 rpm; 185 lb-ft at 4000 rpm | Canadian-market catalog |
| Engine, 3.4 L DOHC V6 with SFI | 215 hp at 5200 rpm; 220 lb-ft at 4400 rpm | Canadian-market catalog |
| Towing, 3.1 L V6 | maximum trailer 1000 lb (454 kg), 3.33 final drive | Canadian-market catalog |
| Towing, 3.4 L DOHC V6 | maximum trailer 1000 lb (454 kg), 3.43 final drive | Canadian-market catalog |
| Standard transmission | 4-speed electronically controlled automatic with overdrive and second-gear start | Canadian-market catalog |
| Standard brakes | anti-lock brakes with power 4-wheel disc | Canadian-market catalog |
| Standard tires and wheels | SE Sedan P205/70R15 on 15 x 6 steel with covers; SE Coupe P225/60R16 Goodyear Eagle RS-A on 16 x 7 5-spoke cast aluminum | Canadian-market catalog |
| Standard safety equipment | driver and front passenger air bags, brake/transmission shift interlock, automatic power door locks, daytime running lamps with automatic light control, PASS-Key II | Canadian-market catalog |
1997
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 110.5 in | coupe and sedan |
| Overall length | 196.5 in | coupe and sedan |
| Width | 72.7 in | coupe and sedan |
| Overall height | 54.7 in | coupe and sedan |
| Tread, front/rear | 61.7/61.1 in | coupe and sedan |
| Curb weight | 3,373 lb | SE sedan |
| Fuel tank | 18 gal | all |
| Trunk capacity | 16 cu ft | coupe and sedan |
| Interior: head/leg/shoulder/hip room, front/rear | coupe 38.3/36.5, 42.4/36.1, 58.5/57.2, 55.7/54.3; sedan 38.3/36.7, 42.4/35.8, 58.5/57.2, 55.7/54.3 in | coupe and sedan |
1998
| Measure | Value | Applies to |
|---|---|---|
| Final drive ratio | 3.29 (3.1 L and 3.8 L); 2.93 (3.8 L supercharged) | Canadian-market catalog, Towing table |
| Maximum trailer weight | 1,000 lb | all engines, when properly equipped (Canadian-market catalog) |
| Overall length | 197.1 coupe; 196.5 sedan in | Canadian-market catalog |
| Tread, front/rear | coupe 61.7/61.5; sedan 61.0/61.5 in | Canadian-market catalog |
| Curb weight (est.) | SE sedan 3,375; GT sedan 3,481; GT coupe 3,414 lb | Canadian-market catalog |
| Fuel tank | 68 L (15.0 gal as printed) | Canadian-market catalog; the printed gallon figure is the imperial conversion |
1999
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 110.5 (2807 mm) in | coupe and sedan |
| Overall length | 196.5 (4991 mm) in | coupe and sedan |
| Overall width | 72.7 (1845 mm) in | coupe and sedan |
| Overall height | 54.7 (1390 mm) in | coupe and sedan |
| Tread, front/rear | 61.7/61.1 (1568/1552 mm) in | coupe and sedan; pontiac.com capture |
| Interior dimensions, front | headroom 38.3 (974 mm); legroom 42.4 (1076 mm); shoulder room 58.5 (1485 mm); hip room 55.7 (1416 mm) in | coupe and sedan |
| Interior dimensions, rear | headroom 36.5 coupe (928 mm), 36.7 sedan (931 mm); legroom 36.1 coupe (917 mm), 35.8 sedan (909 mm); shoulder room 57.9 coupe (1470 mm), 57.2 sedan (1452 mm); hip room 54.3 (1380 mm) in | coupe and sedan |
| Trunk capacity | 16.0 (453 L) cu ft | coupe and sedan |
| Fuel tank capacity | 18.0 (68 L) gal | coupe and sedan; pontiac.com capture |
| Base curb weight | coupe 3314; sedan 3373 (the page labels the figures preliminary) lb | as printed |
| Engine, 3.1 L 3100 SFI V6 | 160 hp at 5200 rpm; 185 lb-ft at 4000 rpm; standard on the SE sedan | as printed |
| Engine, 3.8 L 3800 Series II V6 | 200 hp at 5200 rpm; 225 lb-ft at 4000 rpm; standard on the GT, available on the SE | as printed |
| Engine, 3.8 L supercharged V6 | 240 hp at 5200 rpm; 280 lb-ft at 3200 rpm; standard on the GTP | as printed |
| Transmission | 4-speed automatic, standard on all models | SE sedan, GT coupe, GT sedan, GTP coupe and GTP sedan |
| Standard mechanical equipment | Delco Freedom II battery, 4-wheel ABS, power 4-wheel disc brakes, brake/transmission shift interlock, stainless steel exhaust, anti-corrosion protection, front-wheel drive, Computer Command Control, power rack-and-pinion steering, 4-wheel independent suspension (MacPherson strut front, Tri-link rear); dual bright exhaust outlets on GT and GTP only | SE sedan, GT coupe, GT sedan, GTP coupe and GTP sedan |
| Fuel tank capacity | 17.7 (67 L) gal | owner's manual |
| Tread, front/rear | 62.0/61.5 (157.5/156.1 cm) in | owner's manual |
| Vehicle dimensions agreeing with pontiac.com | wheelbase 110.5 (280.7 cm); length 196.5 (499.1 cm); width 72.7 (184.5 cm); height 54.7 (139.0 cm) in | owner's manual |
| Cooling system capacity including reservoir | 3100 (Code M) 11.0 qt (10.42 L); 3800 (Code K) 12.3 qt (11.7 L); 3800 supercharged (Code 1) 12.3 qt (11.7 L) | owner's manual |
| Engine oil with filter | 4.5 qt (4.3 L), all three engines | owner's manual |
| Automatic transaxle fluid, overdrive | 8.0 qt (7.5 L) pan removal; 10.0 qt (9.5 L) after complete overhaul | owner's manual |
| Air conditioning refrigerant | R-134a, 1.9 lb (0.85 kg) | owner's manual |
| Engine codes and displacement | 3100 Code M (3.1 L L82), 191 CID, 160 hp, firing order 1-2-3-4-5-6; 3800 Code K (3.8 L L36), 231 CID, 200 hp, firing order 1-6-5-4-3-2; 3800 supercharged Code 1 (3.8 L L67), 231 CID, 240 hp, firing order 1-6-5-4-3-2 | owner's manual |
| Thermostat temperature | 195 F (91 C), all three engines | owner's manual |
| Spark plugs | AC 41-940 (3100); AC 41-921 (3800; supercharged 41-921 or NGK PTR4B-15); gap 0.060 in (1.52 cm) | owner's manual |
| Battery cold-cranking amps | 600 (3100); 690 (3800); 770 (supercharged) | owner's manual |
| Wiper blade length | 20 in | owner's manual |
| Radiator cap pressure | 15 psi | owner's manual |
| Compact spare tire inflation | 60 psi | owner's manual |
| Replacement bulb numbers | back-up 3156; center high-mounted stop lamp 1141; front parking/turn 3357 NAK; headlamps 9007; stop/tail/turn 3057; sidemarkers 194 | owner's manual |
2000
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 110.5 in | coupe and sedan |
| Overall length | 196.5 in | coupe and sedan |
| Width | 72.7 in | coupe and sedan |
| Overall height | 54.7 in | coupe and sedan |
| Tread, front/rear | 61.7/61.1 in | coupe and sedan |
| Curb weight | 3,373 lb | SE sedan |
| Fuel tank | 18 gal | all |
| Axle ratio, supercharged engine package | 2.93 :1 | GTP |
2002
| Measure | Value | Applies to |
|---|---|---|
| Fuel tank | 17.5 gal | all |
| Trunk | 16 cu ft | all |
2003
| Measure | Value | Applies to |
|---|---|---|
| Fuel tank (approx.) | 18 gal | all |
| Cargo volume | 16 cu ft | all |
2004
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 110.5 in | all |
| Overall length | 198.3 in | all |
| Overall height | 55.9 in | all |
| Track, front/rear | 61.6/61.3 in | all |
| Curb weight | GT1 3,477; GT2 3,484; GTP 3,583 lb | by model |
| Axle ratio | 3.05 (3800 V6); 2.93 (GTP); 3.29 (GTP with Competition Group) :1 | by engine/package |
| Cargo volume: trunk / rear seats down / rear and front passenger seats down | 16.0 / 45.7 / 57.0 cu ft | all |
| Fuel capacity (approx.) | 17 gal | all |
| Interior: head/shoulder/hip/leg room, front and rear | head 38.8/36.2; shoulder 58.0/54.8; hip 54.5/54.3; leg 42.2/36.2 in | all |
| Drag coefficient | 0.31 Cd | as claimed by the catalog |
2005
| Measure | Value | Applies to |
|---|---|---|
| GXP engine: displacement / bore x stroke / compression | 325 cu in (5,328 cc); 96.0 x 92.0 mm as printed; 10:1 | GXP |
| GXP curb weight (estimated) | 3,600 lb | GXP |
| GXP track, front/rear | 63.5/61.7 in | GXP |
| Wheelbase / length / body width / height | 110.5 / 198.3 / 71.6 / 55.9 in | GXP |
| GXP tires | P255/45R18 front, P225/50R18 rear, W-rated | GXP |
| Fuel tank (approx.) / trunk | 17 gal / 16 cu ft | all |
| Axle ratio, GTP with Competition Group | 3.29 :1 | GTP Competition Group |
2006
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase / length / body width / height | 110.5 / 198.3 / 71.6 / 55.9 in | all |
| Track, front/rear | 61.6/61.3 (GXP 63.5/61.7) in | by model |
| Curb weight | Grand Prix 3,477; GT 3,484; GXP 3,600 lb | by model |
| GXP brakes | vented cross-drilled rotors, 12.7 in front and 12.0 in rear, PBR calipers | GXP |
| Fuel capacity (approx.) / trunk / maximum trailer weight | 17 gal / 16.0 cu ft / 1,000 lb | all |
2007
| Measure | Value | Applies to |
|---|---|---|
| Fuel tank (approx.) / trunk / seating / maximum trailer weight | 17 gal / 16.0 cu ft / 5 / 1,000 lb | all |
2008
| Measure | Value | Applies to |
|---|---|---|
| Fuel tank (approx.) / trunk / seating / maximum trailer weight | 17 gal / 16.0 cu ft / 5 / 1,000 lb | all |
Each year's heading links to that model year's full fact sheet. Specification labels are carried as recorded and not normalized across years, so the same measure may be worded differently from one year to the next.