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2008 Pontiac Grand Prix and 2006 Toyota Sienna Specifications
| Model Year | 2008 | 2006 | |
| Model | Pontiac Grand Prix | Toyota Sienna | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Minivan, ext. | |
| Difference | |||
| Wheelbase | 110.5 in | 119.3 in | -8.8 in |
| Length | 198.3 in | 200.0 in | -1.7 in |
| Width | 71.6 in | 77.4 in | -5.8 in |
| Height | 55.9 in | 68.9 in | -13 in |
| Curb Weight | 3477 lb. | 4140 lb. | -663 lb. |
| Fuel Capacity | 17.0 gal. | 20.0 gal. | -3 gal. |
| Headroom, Row 1 | 38.8 in | 42.0 in | -3.2 in |
| Shoulder Room, Row 1 | 58.0 in | 63.8 in | -5.8 in |
| Hip Room, Row 1 | 54.5 in | 58.4 in | -3.9 in |
| Legroom, Row 1 | 42.2 in | 42.9 in | -0.7 in |
| Headroom, Row 2 | 36.2 in | 40.2 in | -4 in |
| Shoulder Room, Row 2 | 54.8 in | 64.9 in | -10.1 in |
| Hip Room, Row 2 | 54.3 in | 67.5 in | -13.2 in |
| Legroom, Row 2 | 36.2 in | 39.6 in | -3.4 in |
| Headroom, Row 3 | 0.0 in | 38.1 in | -38.1 in |
| Shoulder Room, Row 3 | 0.0 in | 61.1 in | -61.1 in |
| Hip Room, Row 3 | 0.0 in | 51.8 in | -51.8 in |
| Legroom, Row 3 | 0.0 in | 39.5 in | -39.5 in |
| Total Legroom | 78.4 in (over 2 rows) | 122 in (over 3 rows) | -43.6 in |
| Cargo Volume, Minimum | 16.0 ft3 | 43.6 ft3 | -27.6 ft3 |
| Cargo Volume, Behind R2 | 16.0 | 94.5 ft3 | -78.5 |
| Cargo Volume, Maximum | 16.0 ft3 | 148.9 ft3 | -132.9 ft3 |
What Our Members Are Saying about the Seat Room and Comfort of the 2008 Pontiac Grand Prix
| 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 |
What Our Members Are Saying about the Seat Room and Comfort of the 2006 Toyota Sienna
| 2006 Toyota Sienna Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic AWD |
the kids have enough foom they leave each other alone see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic AWD |
I can adjust the seat exactly how I want it see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic FWD |
Two middle seats are bucket seats and VERY comfortable. Leg room in 3rd row is a little limited. see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic FWD |
Sits high so short people have a comfortable good view of the road. see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic FWD |
The 3rd row seats have enough leg room and the seats themselves are well built. That said, I have not tried the 3rd row seats of close competitors like the Odyssey see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic AWD |
Lots of room even for adults see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic AWD |
Lots of room to move. see full Toyota Sienna review |
| 2005 | 4dr Minivan, ext. 230-horsepower 3.3L V6 5-speed automatic FWD |
3 tall teeange boys and they love it cack there. So comfortable! see full Toyota Sienna review |
| 2005 | 4dr Minivan, ext. 230-horsepower 3.3L V6 5-speed automatic FWD |
The Sienna is an excellent family vehicle if interior space and overall capability are your priorities. It is comfortable for long family drives and you NEVER run out of space in this car. see full Toyota Sienna review |
| 2006 Toyota Sienna Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic FWD |
I have the CE which does not have adjustable lumbar support or 8-way adjustments. The seat has a fixed height, which is a bit too high for me. Also the seat is a bit too deep. see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic FWD |
Seat cushion has an uncomfortable contour at rear of seat and the armrests are uncomfortable. see full Toyota Sienna review |
| 2006 | 4dr Minivan, ext. 215-horsepower 3.3L V6 5-speed automatic FWD |
At $35,000 I think it could be much better. Hurts more than my Tacoma 4X4 after a long drive. see full Toyota Sienna review |
See TrueDelta's information for all Sedans
See TrueDelta's information for all Pontiac models.
