| Model Year | 2023 | 2006 | |
| Model | GMC Terrain | Toyota Avalon | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan | |
| Difference | |||
| Wheelbase | 107.3 in | 111.0 in | -3.7 in |
| Length | 182.3 in | 197.2 in | -14.9 in |
| Width | 72.4 in | 72.8 in | -0.4 in |
| Height | 65.4 in | 58.5 in | 6.9 in |
| Curb Weight | 3449 lb. | 3490 lb. | -41 lb. |
| Fuel Capacity | 14.9 gal. | 18.5 gal. | -3.6 gal. |
| Headroom, Row 1 | 40.0 in | 38.8 in | 1.2 in |
| Shoulder Room, Row 1 | 57.2 in | 59.4 in | -2.2 in |
| Hip Room, Row 1 | 54.4 in | 55.8 in | -1.4 in |
| Legroom, Row 1 | 40.9 in | 41.3 in | -0.4 in |
| Headroom, Row 2 | 38.5 in | 37.5 in | 1 in |
| Shoulder Room, Row 2 | 55.6 in | 58.2 in | -2.6 in |
| Hip Room, Row 2 | 51.8 in | 56.2 in | -4.4 in |
| Legroom, Row 2 | 39.7 in | 40.9 in | -1.2 in |
| Total Legroom | 80.6 in (over 2 rows) | 82.2 in (over 2 rows) | -1.6 in |
| Cargo Volume, Minimum | 29.6 ft3 | 14.4 ft3 | 15.2 ft3 |
| Cargo Volume, Maximum | 63.3 ft3 | 14.4 ft3 | 48.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2023 GMC Terrain.
| 2006 Toyota Avalon Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
Limo like rear seat that actually reclines. see full Toyota Avalon review |
| 2007 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
Plenty of room. see full Toyota Avalon review |
| 2007 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
Very adequate as is the back see full Toyota Avalon review |
| 2006 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
very comfortable see full Toyota Avalon review |
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic FWD |
My kids loved the roominess of the back seat which made easier transition from the former minivan. see full Toyota Avalon review |