

Model Year | 2006 | 2008 | |
Model | Pontiac Montana SV6 | Pontiac Grand Prix | |
Engine | |||
Transmission | |||
Drivetrain | |||
Body | 4dr Minivan, ext. | 4dr Sedan | |
Difference | |||
Wheelbase | 121.1 in | 110.5 in | 10.6 in |
Length | 205.6 in | 198.3 in | 7.3 in |
Width | 72.0 in | 71.6 in | 0.4 in |
Height | 72.0 in | 55.9 in | 16.1 in |
Curb Weight | 4376 lb. | 3477 lb. | 899 lb. |
Fuel Capacity | 25.0 gal. | 17.0 gal. | 8 gal. |
Headroom, Row 1 | 39.8 in | 38.8 in | 1 in |
Shoulder Room, Row 1 | 59.9 in | 58.0 in | 1.9 in |
Hip Room, Row 1 | 0.0 in | 54.5 in | -54.5 in |
Legroom, Row 1 | 39.9 in | 42.2 in | -2.3 in |
Headroom, Row 2 | 38.9 in | 36.2 in | 2.7 in |
Shoulder Room, Row 2 | 61.2 in | 54.8 in | 6.4 in |
Hip Room, Row 2 | 0.0 in | 54.3 in | -54.3 in |
Legroom, Row 2 | 38.9 in | 36.2 in | 2.7 in |
Headroom, Row 3 | 38.1 in | 0.0 in | 38.1 in |
Shoulder Room, Row 3 | 48.6 in | 0.0 in | 48.6 in |
Legroom, Row 3 | 36.2 in | 0.0 in | 36.2 in |
Total Legroom | 115 in (over 3 rows) | 78.4 in (over 2 rows) | 36.6 in |
Cargo Volume, Minimum | 26.9 ft3 | 16.0 ft3 | 10.9 ft3 |
Cargo Volume, Behind R2 | 74.5 ft3 | 16.0 | 58.5 ft3 |
Cargo Volume, Maximum | 136.5 ft3 | 16.0 ft3 | 120.5 ft3 |
2006 Pontiac Montana SV6 Seat Room and Comfort: Pros | ||
Year | Body/Powertrain | Comment |
2005 | 4dr Minivan, ext. 200-horsepower 3.5L V6 4-speed automatic FWD |
Front seats are very comfortable and roomy compared to the Chrysler Town and Country see full Pontiac Montana SV6 review |
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 |