| Model Year | 2007 | 2006 | |
| Model | Audi A6 / S6 | Lexus GS | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 111.9 in | 112.2 in | -0.3 in |
| Length | 193.5 in | 190.0 in | 3.5 in |
| Width | 73.1 in | 71.7 in | 1.4 in |
| Height | 57.5 in | 56.1 in | 1.4 in |
| Curb Weight | 4012 lb. | 3704 lb. | 308 lb. |
| Fuel Capacity | 21.1 gal. | 18.8 gal. | 2.3 gal. |
| Headroom, Row 1 | 38.7 in | 37.8 in | 0.9 in |
| Shoulder Room, Row 1 | 57.1 in | 56.3 in | 0.8 in |
| Hip Room, Row 1 | 0.0 in | 54.4 in | -54.4 in |
| Legroom, Row 1 | 41.3 in | 43.5 in | -2.2 in |
| Headroom, Row 2 | 37.8 in | 37.0 in | 0.8 in |
| Shoulder Room, Row 2 | 55.9 in | 55.1 in | 0.8 in |
| Hip Room, Row 2 | 0.0 in | 51.4 in | -51.4 in |
| Legroom, Row 2 | 36.9 in | 36.4 in | 0.5 in |
| Total Legroom | 78.2 in (over 2 rows) | 79.9 in (over 2 rows) | -1.7 in |
| Cargo Volume | 15.9 ft3 | 12.7 ft3 | 3.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2007 Audi A6 / S6.
| 2006 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 |
| 2006 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 |