| Model Year | 2011 | 2021 | |
| Model | GMC Terrain | Toyota Avalon | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan | |
| Difference | |||
| Wheelbase | 112.5 in | 113.0 in | -0.5 in |
| Length | 185.3 in | 195.9 in | -10.6 in |
| Width | 72.8 in | 72.8 in | 0 in |
| Height | 66.3 in | 56.5 in | 9.8 in |
| Curb Weight | 3853 lb. | 3570 lb. | 283 lb. |
| Fuel Capacity | 18.8 gal. | 14.5 gal. | 4.3 gal. |
| Headroom, Row 1 | 39.8 in | 37.4 in | 2.4 in |
| Shoulder Room, Row 1 | 55.7 in | 58.3 in | -2.6 in |
| Hip Room, Row 1 | 55.1 in | 55.8 in | -0.7 in |
| Legroom, Row 1 | 41.2 in | 42.1 in | -0.9 in |
| Headroom, Row 2 | 39.2 in | 37.5 in | 1.7 in |
| Shoulder Room, Row 2 | 55.3 in | 57.1 in | -1.8 in |
| Hip Room, Row 2 | 51.3 in | 54.8 in | -3.5 in |
| Legroom, Row 2 | 39.9 in | 40.3 in | -0.4 in |
| Total Legroom | 81.1 in (over 2 rows) | 82.4 in (over 2 rows) | -1.3 in |
| Cargo Volume, Minimum | 31.6 ft3 | 16.1 ft3 | 15.5 ft3 |
| Cargo Volume, Maximum | 63.9 ft3 | 16.1 ft3 | 47.8 ft3 |
| 2011 GMC Terrain Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2011 | 4dr SUV 182-horsepower 2.4L I4 6-speed shiftable automatic FWD |
The cloth power seat are very comfortable. see full GMC Terrain review |
| 2011 | 4dr SUV 182-horsepower 2.4L I4 6-speed shiftable automatic FWD |
Plenty of leg room for all in the back seat. Very spacious. see full GMC Terrain review |
| 2011 | 4dr SUV 182-horsepower 2.4L I4 6-speed shiftable automatic FWD |
Plenty of room. see full GMC Terrain review |
| 2010 | 4dr SUV 182-horsepower 2.4L I4 6-speed shiftable automatic FWD |
Plenty of rear seat lag room with seat fully slide back. see full GMC Terrain review |
| 2010 | 4dr SUV 182-horsepower 2.4L I4 6-speed shiftable automatic FWD |
Comfortable vehicle for driver and front seat passenger see full GMC Terrain review |
| 2010 | 4dr SUV 182-horsepower 2.4L I4 6-speed shiftable automatic FWD |
great, lots of room for a 6ft.3in teenager see full GMC Terrain review |
None of our members have yet commented on the seat room and comfort of the 2021 Toyota Avalon.