| Model Year | 2018 | 2023 | |
| Model | Audi A6 / S6 | Audi Q4 e-tron | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 114.6 in | 108.7 in | 5.9 in |
| Length | 194.2 in | 180.7 in | 13.5 in |
| Width | 73.8 in | 73.4 in | 0.4 in |
| Height | 57.8 in | 64.7 in | -6.9 in |
| Curb Weight | 3803 lb. | 4861 lb. | -1058 lb. |
| Fuel Capacity | 19.8 gal. | 0.0 gal. | 19.8 gal. |
| Headroom, Row 1 | 37.2 in | 38.5 in | -1.3 in |
| Shoulder Room, Row 1 | 57.5 in | 56.7 in | 0.8 in |
| Legroom, Row 1 | 41.3 in | 41.2 in | 0.1 in |
| Headroom, Row 2 | 37.8 in | 38.3 in | -0.5 in |
| Shoulder Room, Row 2 | 56.3 in | 55.1 in | 1.2 in |
| Legroom, Row 2 | 37.4 in | 38.3 in | -0.9 in |
| Total Legroom | 78.7 in (over 2 rows) | 79.5 in (over 2 rows) | -0.8 in |
| Cargo Volume, Minimum | 14.1 ft3 | 24.8 ft3 | -10.7 ft3 |
| Cargo Volume, Maximum | 14.1 ft3 | 53.1 ft3 | -39 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 2023 Audi Q4 e-tron.