The GTX Becomes an Option Code

Same model year

Also in 1972

• AMC AMX The first year of SAE net ratings and Chrysler-built TorqueFlite automatics. Javelin AMX production rose to 3,220, and the 304 V8 became available.
• AMC Gremlin X and Spirit AMX The first V8 Gremlin: the 304 (150 hp SAE net) in AMC's subcompact. Gremlin X production is not published in any source found.
• AMC Javelin The base model was dropped, so every non-AMX Javelin was an SST. This was the first year of the Pierre Cardin interior and of Chrysler-built automatics.
• Buick Riviera Net ratings only for 1972: 250 hp standard, 260 GS per ROA; 2,171 of 33,728 were GS.
• Buick Skylark Gran Sport, GS and GSX The last A-body GS year before the Colonnade Century; the GSX package, now in many colours, was invoiced on only 44 cars, most of them outside the lower 48 states.
• Chevrolet Chevelle and Malibu SS The last Z15 Chevelle SS of the first generation: net-rated engines, an LS5 454 at 270 net hp, and 5,333 SS 454s.
• Chevrolet Chevy II and Nova The source engine table switches to net ratings; SS and Rally Nova offered. Enthusiast-compiled production: 349,733 cars; Super Sport 12,309.
• Chevrolet El Camino SS Last year of the Chevelle-bodied El Camino SS; 50,359 V8 Malibu El Caminos were built, and the SS share is not separately published.
• Dodge Challenger Hardtop only, with a new grille: the R/T gave way to the Challenger Rallye package, and the most powerful engine listed was the 340 four-barrel.
• Dodge Charger The R/T and Super Bee were dropped; the new Rallye package became the performance Charger, and the 440 Six Pack was cancelled after a handful of cars.
• Dodge Dart GTS, Swinger and Demon The Demon's second and final year under that name: 8,773 Demon 340s, with small Canadian and Swiss-market 340 runs counted separately.
• Ford Maverick Grabber The dual-scoop-hood Grabber in its second year as a model; Classic Industries counts 35,347.
• Ford Ranchero GT The Ranchero GT continued on the 1972-76 Ranchero; 12,620 GTs were built, per reference-site counts in the Standard Catalog lineage.
• Ford Thunderbird First year of the sixth-generation Thunderbird; only the whole-line production total was found.
• Ford Torino The new body-on-frame Torino sold 496,645 in 1972; the performance models were the Gran Torino Sport SportsRoof (60,794) and hardtop (31,239), with the 351 Cobra Jet and a Rallye Equipment Group on the option list.
• Mercury Cougar Net ratings arrived, the 429 was gone, and the 351 Cobra Jet became the performance Cougar engine, fitted to 3,560 cars.
• Mercury Montego GT The first year of the fastback-only Montego GT on the new split-wheelbase intermediate, with the Cyclone name reduced to a performance option that only a few dozen buyers took.
• Oldsmobile Cutlass, 4-4-2 and Hurst/Olds The 4-4-2 became a Cutlass option again, engines were rated in SAE net (W-30: 300 hp), and a Hurst/Olds paced the Indianapolis 500.
• Plymouth Barracuda and 'Cuda Hardtops only, single headlamps, four round taillamps, and a 340 four-barrel as the top engine: the 'Cuda carried it as standard.
• Plymouth Duster 340 and 360 In the first net-rating year the Duster 340's 8.5:1 340 was rated 240 net hp with electronic ignition, the Twister became order code A51, and output rose to 15,681 in both compilations.
• Plymouth Road Runner The hardtop-only Road Runner took a 400 four-barrel as its advertised standard engine, and production fell again.
• Pontiac Firebird and Trans Am A strike-shortened year: 29,951 Firebirds and 1,286 Trans Ams, every one a 455 HO.
• Pontiac GTO The GTO goes back to being an option on the LeMans, with net ratings only; 5,807 were built.
• Pontiac Grand Prix A carryover year with the SJ still offered; production recovered to 91,961.
• Pontiac Tempest and LeMans The GTO becomes a LeMans option, and the LeMans gets WW4 and WW5 performance packages.