| Model Year | 2007 | 2023 | |
| Model | Lexus GS | Toyota Prius Prime | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Hatch | |
| Difference | |||
| Wheelbase | 112.2 in | 108.3 in | 3.9 in |
| Length | 190.0 in | 181.1 in | 8.9 in |
| Width | 71.7 in | 70.1 in | 1.6 in |
| Height | 56.1 in | 55.9 in | 0.2 in |
| Curb Weight | 3704 lb. | 3461 lb. | 243 lb. |
| Fuel Capacity | 18.8 gal. | 10.6 gal. | 8.2 gal. |
| Headroom, Row 1 | 37.8 in | 38.0 in | -0.2 in |
| Shoulder Room, Row 1 | 56.3 in | 55.3 in | 1 in |
| Hip Room, Row 1 | 54.4 in | 54.7 in | -0.3 in |
| Legroom, Row 1 | 43.5 in | 42.4 in | 1.1 in |
| Headroom, Row 2 | 37.0 in | 36.4 in | 0.6 in |
| Shoulder Room, Row 2 | 55.1 in | 52.8 in | 2.3 in |
| Hip Room, Row 2 | 51.4 in | 51.7 in | -0.3 in |
| Legroom, Row 2 | 36.4 in | 35.9 in | 0.5 in |
| Total Legroom | 79.9 in (over 2 rows) | 78.3 in (over 2 rows) | 1.6 in |
| Cargo Volume, Minimum | 12.7 ft3 | 20.3 ft3 | -7.6 ft3 |
| Cargo Volume, Maximum | 12.7 ft3 | 26.7 ft3 | -14 ft3 |
| 2007 Lexus GS Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr Sedan 245-horsepower 3.0L V6 6-speed shiftable automatic AWD |
Very good front seats with excellent back and head/neck spport for those of us who are spinally challengged. see full Lexus GS review |
| 2007 Lexus GS Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr Sedan 300-horsepower 4.3L V8 6-speed shiftable automatic RWD |
comfortable but tight see full Lexus GS review |
None of our members have yet commented on the seat room and comfort of the 2023 Toyota Prius Prime.