| Model Year | 2011 | 2012 | |
| Model | Lexus IS | Lexus LS | |
| Engine | 5.0L V8 DOHC-4v 416 hp@6600 371 lb-ft@5200 |
4.6L V8 DOHC-4v 380 hp@6400 367 lb-ft@4100 |
|
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | RWD | RWD | |
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 107.5 in | 116.9 in | -9.4 in |
| Length | 180.1 in | 198.0 in | -17.9 in |
| Width | 70.9 in | 73.8 in | -2.9 in |
| Height | 56.1 in | 58.1 in | -2 in |
| Curb Weight | 3780 lb. | 4244 lb. | -464 lb. |
| Fuel Capacity | 17.2 gal. | 22.2 gal. | -5 gal. |
| Headroom, Row 1 | 37.2 in | 38.0 in | -0.8 in |
| Shoulder Room, Row 1 | 54.4 in | 58.5 in | -4.1 in |
| Hip Room, Row 1 | 54.1 in | 55.4 in | -1.3 in |
| Legroom, Row 1 | 43.9 in | 43.7 in | 0.2 in |
| Headroom, Row 2 | 36.7 in | 38.0 in | -1.3 in |
| Shoulder Room, Row 2 | 52.7 in | 56.9 in | -4.2 in |
| Hip Room, Row 2 | 53.7 in | 55.5 in | -1.8 in |
| Legroom, Row 2 | 30.6 in | 35.8 in | -5.2 in |
| Total Legroom | 74.5 in (over 2 rows) | 79.5 in (over 2 rows) | -5 in |
| Cargo Volume | 13.0 ft3 | 18.0 ft3 | -5 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 2012 Lexus LS.