| Model Year | 2018 | 2021 | |
| Model | Audi A6 / S6 | Lexus NX | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 114.6 in | 104.7 in | 9.9 in |
| Length | 194.2 in | 182.3 in | 11.9 in |
| Width | 73.8 in | 73.6 in | 0.2 in |
| Height | 57.8 in | 64.8 in | -7 in |
| Curb Weight | 3803 lb. | 3940 lb. | -137 lb. |
| Fuel Capacity | 19.8 gal. | 15.9 gal. | 3.9 gal. |
| Headroom, Row 1 | 37.2 in | 38.2 in | -1 in |
| Shoulder Room, Row 1 | 57.5 in | 57.3 in | 0.2 in |
| Hip Room, Row 1 | 0.0 in | 55.1 in | -55.1 in |
| Legroom, Row 1 | 41.3 in | 42.8 in | -1.5 in |
| Headroom, Row 2 | 37.8 in | 38.1 in | -0.3 in |
| Shoulder Room, Row 2 | 56.3 in | 55.3 in | 1 in |
| Hip Room, Row 2 | 0.0 in | 53.9 in | -53.9 in |
| Legroom, Row 2 | 37.4 in | 36.1 in | 1.3 in |
| Total Legroom | 78.7 in (over 2 rows) | 78.9 in (over 2 rows) | -0.2 in |
| Cargo Volume, Minimum | 14.1 ft3 | 17.7 ft3 | -3.6 ft3 |
| Cargo Volume, Maximum | 14.1 ft3 | 54.6 ft3 | -40.5 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 2021 Lexus NX.