| Model Year | 2010 | 2012 | |
| Model | Audi A6 / S6 | Lexus IS | |
| Engine | 5.2L V10 DOHC-4v 435 hp@6800 398 lb-ft@3000 |
5.0L V8 DOHC-4v 416 hp@6600 371 lb-ft@5200 |
|
| Transmission | 6-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | AWD | RWD | |
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 111.9 in | 107.5 in | 4.4 in |
| Length | 193.5 in | 180.1 in | 13.4 in |
| Width | 73.0 in | 70.9 in | 2.1 in |
| Height | 57.5 in | 56.1 in | 1.4 in |
| Curb Weight | 4519 lb. | 3780 lb. | 739 lb. |
| Fuel Capacity | 21.1 gal. | 17.2 gal. | 3.9 gal. |
| Headroom, Row 1 | 38.7 in | 37.2 in | 1.5 in |
| Shoulder Room, Row 1 | 57.1 in | 54.4 in | 2.7 in |
| Hip Room, Row 1 | 0.0 in | 54.1 in | -54.1 in |
| Legroom, Row 1 | 41.3 in | 43.9 in | -2.6 in |
| Headroom, Row 2 | 37.8 in | 36.7 in | 1.1 in |
| Shoulder Room, Row 2 | 55.9 in | 52.7 in | 3.2 in |
| Hip Room, Row 2 | 0.0 in | 53.7 in | -53.7 in |
| Legroom, Row 2 | 36.9 in | 30.6 in | 6.3 in |
| Total Legroom | 78.2 in (over 2 rows) | 74.5 in (over 2 rows) | 3.7 in |
| Cargo Volume | 15.9 ft3 | 13.0 ft3 | 2.9 ft3 |
| 2010 Audi A6 / S6 Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2011 | 4dr Sedan supercharged 300hp 3.0L V6 6-speed shiftable automatic AWD |
Rear seat room is average, no better. see full Audi A6 / S6 review |
None of our members have yet commented on the seat room and comfort of the 2012 Lexus IS.