| Model Year | 2018 | 2011 | |
| Model | Audi A6 / S6 | Lexus RX | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 114.6 in | 107.9 in | 6.7 in |
| Length | 194.2 in | 187.8 in | 6.4 in |
| Width | 73.8 in | 74.2 in | -0.4 in |
| Height | 57.8 in | 66.3 in | -8.5 in |
| Curb Weight | 3803 lb. | 4178 lb. | -375 lb. |
| Fuel Capacity | 19.8 gal. | 19.2 gal. | 0.6 gal. |
| Headroom, Row 1 | 37.2 in | 39.1 in | -1.9 in |
| Shoulder Room, Row 1 | 57.5 in | 58.0 in | -0.5 in |
| Hip Room, Row 1 | 0.0 in | 55.6 in | -55.6 in |
| Legroom, Row 1 | 41.3 in | 43.1 in | -1.8 in |
| Headroom, Row 2 | 37.8 in | 37.7 in | 0.1 in |
| Shoulder Room, Row 2 | 56.3 in | 57.6 in | -1.3 in |
| Hip Room, Row 2 | 0.0 in | 54.5 in | -54.5 in |
| Legroom, Row 2 | 37.4 in | 36.8 in | 0.6 in |
| Total Legroom | 78.7 in (over 2 rows) | 79.9 in (over 2 rows) | -1.2 in |
| Cargo Volume, Minimum | 14.1 ft3 | 40.0 ft3 | -25.9 ft3 |
| Cargo Volume, Maximum | 14.1 ft3 | 80.3 ft3 | -66.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2018 Audi A6 / S6.
None of our members have yet commented on the seat room and comfort of the 2011 Lexus RX.