| Model Year | 2011 | 2023 | |
| Model | Lexus IS | Lexus LX | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 107.5 in | 112.2 in | -4.7 in |
| Length | 180.1 in | 200.2 in | -20.1 in |
| Width | 70.9 in | 78.4 in | -7.5 in |
| Height | 56.1 in | 74.2 in | -18.1 in |
| Curb Weight | 3455 lb. | 5665 lb. | -2210 lb. |
| Fuel Capacity | 17.2 gal. | 21.1 gal. | -3.9 gal. |
| Headroom, Row 1 | 37.2 in | 37.8 in | -0.6 in |
| Shoulder Room, Row 1 | 54.4 in | 61.4 in | -7 in |
| Hip Room, Row 1 | 54.1 in | 59.7 in | -5.6 in |
| Legroom, Row 1 | 43.9 in | 41.1 in | 2.8 in |
| Headroom, Row 2 | 36.7 in | 39.0 in | -2.3 in |
| Shoulder Room, Row 2 | 52.7 in | 58.9 in | -6.2 in |
| Hip Room, Row 2 | 53.7 in | 58.9 in | -5.2 in |
| Legroom, Row 2 | 30.6 in | 36.6 in | -6 in |
| Headroom, Row 3 | 0.0 in | 35.2 in | -35.2 in |
| Shoulder Room, Row 3 | 0.0 in | 56.1 in | -56.1 in |
| Hip Room, Row 3 | 0.0 in | 49.0 in | -49 in |
| Legroom, Row 3 | 0.0 in | 31.1 in | -31.1 in |
| Total Legroom | 74.5 in (over 2 rows) | 108.8 in (over 3 rows) | -34.3 in |
| Cargo Volume, Minimum | 13.0 ft3 | 11.0 ft3 | 2 ft3 |
| Cargo Volume, Behind R2 | 13.0 | 44.0 ft3 | -31 |
| Cargo Volume, Maximum | 13.0 ft3 | 64.0 ft3 | -51 ft3 |
| 2011 Lexus IS Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2010 | 4dr Sedan 204-horsepower 2.5L V6 6-speed shiftable automatic RWD |
Legroom felt narrow for passenger over tranny tunnel. see full Lexus IS review |
| 2010 | 4dr Sedan 204-horsepower 2.5L V6 6-speed shiftable automatic AWD |
Lousey seats: uncomfortable and build is cheap and not conforming to human posture. But, seems last several years most cars have lousey, cheap and uncomfortable seats. see full Lexus IS review |
None of our members have yet commented on the seat room and comfort of the 2023 Lexus LX.