

Model Year | 2008 | 2016 | |
Model | Pontiac Grand Prix | Mercedes-Benz GL | |
Engine | 5.3L V8 OHV-2v 303 hp@5600 323 lb-ft@4400 |
turbocharged 5.5L V8 DOHC-4v 550 hp@5750 560 lb-ft@2000 |
|
Transmission | 4-speed shiftable automatic | 7-speed shiftable automatic | |
Drivetrain | FWD | AWD | |
Body | 4dr Sedan | 4dr SUV | |
Difference | |||
Wheelbase | 110.5 in | 121.0 in | -10.5 in |
Length | 198.3 in | 201.6 in | -3.3 in |
Width | 71.6 in | 76.4 in | -4.8 in |
Height | 55.9 in | 72.8 in | -16.9 in |
Curb Weight | 3600 lb. | 5687 lb. | -2087 lb. |
Fuel Capacity | 17.0 gal. | 26.4 gal. | -9.4 gal. |
Headroom, Row 1 | 38.8 in | 41.2 in | -2.4 in |
Shoulder Room, Row 1 | 58.0 in | 58.5 in | -0.5 in |
Hip Room, Row 1 | 54.5 in | 0.0 in | 54.5 in |
Legroom, Row 1 | 42.2 in | 40.3 in | 1.9 in |
Headroom, Row 2 | 36.2 in | 40.0 in | -3.8 in |
Shoulder Room, Row 2 | 54.8 in | 58.3 in | -3.5 in |
Hip Room, Row 2 | 54.3 in | 0.0 in | 54.3 in |
Legroom, Row 2 | 36.2 in | 38.5 in | -2.3 in |
Headroom, Row 3 | 0.0 in | 38.9 in | -38.9 in |
Shoulder Room, Row 3 | 0.0 in | 50.5 in | -50.5 in |
Legroom, Row 3 | 0.0 in | 35.0 in | -35 in |
Total Legroom | 78.4 in (over 2 rows) | 113.8 in (over 3 rows) | -35.4 in |
Cargo Volume, Minimum | 16.0 ft3 | 16.0 ft3 | 0 ft3 |
Cargo Volume, Behind R2 | 16.0 | 49.4 ft3 | -33.4 |
Cargo Volume, Maximum | 16.0 ft3 | 93.8 ft3 | -77.8 ft3 |
2008 Pontiac Grand Prix Seat Room and Comfort: Pros | ||
Year | Body/Powertrain | Comment |
2008 | 4dr Sedan 303-horsepower 5.3L V8 4-speed shiftable automatic FWD |
Front of the GXP is great - heated leather seats, plenty of seat adjustments, and the controls are all pointed at the driver. Even on a 20 hour trip, I had no issues with discomfort. see full Pontiac Grand Prix review |
2007 | 4dr Sedan 200-horsepower 3.8L V6 4-speed automatic FWD |
Front seats are nicely bolstered and are adjustable in every aspect. see full Pontiac Grand Prix review |
2007 | 4dr Sedan supercharged 260hp 3.8L V6 4-speed automatic FWD |
The seats support completely without the need to squirm around on ling trips see full Pontiac Grand Prix review |
2008 Pontiac Grand Prix Seat Room and Comfort: Cons | ||
Year | Body/Powertrain | Comment |
2007 | 4dr Sedan 200-horsepower 3.8L V6 4-speed automatic FWD |
Seats sit too low and are too hard. see full Pontiac Grand Prix review |
None of our members have yet commented on the seat room and comfort of the 2016 Mercedes-Benz GL.