Independent · Source-led · American performance history Issue 01 · 1951–2023
American Muscle Car Facts

Showroom arguments.
Race-bred answers.

Specifications

Pontiac G8 GXP

Pontiac G8 GXP factory specifications: 8 sourced across 1 model year, 2009.

8 specifications · 5 sources

Gray 2009 Pontiac G8 GXP sedan with hood vents, split grille and GXP lower fascia, seen from the front three-quarter at a street car show
2009 Pontiac G8 GXP sedan in gray Photo: Charles from Port Chester, New York, CC BY 2.0, via Wikimedia Commons

2009

MeasureValueApplies to
Wheelbase 114.8 in sedan
Overall length 196.1 in sedan
Overall width 74.8 in sedan
Front brake rotors 355 mm 14-inch vented, quad-piston calipers
Rear brake rotors 324 mm 12.76-inch
Tires P245/40R19 summer performance on 19-inch polished aluminum wheels standard
EPA fuel economy, city / highway / combined 13 / 20 / 15 mpg 2009 G8, 6.2 L V-8, rear-wheel drive; identical for the Automatic (S6) and Manual 6-spd listings (EPA vehicle ids 34582 and 34583); current EPA method figures
EPA size class and interior volume Large Cars; 107 cu ft passenger volume, 17 cu ft luggage volume 2009 G8, 6.2 L V-8

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.