| Model Year | 2007 | 2023 | |
| Model | Audi A8 / S8 | Audi A4 allroad | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr Wagon | |
| Difference | |||
| Wheelbase | 121.0 in | 110.9 in | 10.1 in |
| Length | 204.4 in | 187.5 in | 16.9 in |
| Width | 74.6 in | 72.7 in | 1.9 in |
| Height | 57.3 in | 58.8 in | -1.5 in |
| Curb Weight | 4399 lb. | 3880 lb. | 519 lb. |
| Fuel Capacity | 23.8 gal. | 15.3 gal. | 8.5 gal. |
| Headroom, Row 1 | 37.4 in | 37.4 in | 0 in |
| Shoulder Room, Row 1 | 59.1 in | 55.9 in | 3.2 in |
| Legroom, Row 1 | 41.3 in | 41.3 in | 0 in |
| Headroom, Row 2 | 38.3 in | 37.4 in | 0.9 in |
| Shoulder Room, Row 2 | 57.5 in | 54.5 in | 3 in |
| Legroom, Row 2 | 42.3 in | 35.7 in | 6.6 in |
| Total Legroom | 83.6 in (over 2 rows) | 77 in (over 2 rows) | 6.6 in |
| Cargo Volume, Minimum | 14.6 ft3 | 24.2 ft3 | -9.6 ft3 |
| Cargo Volume, Maximum | 14.6 ft3 | 58.5 ft3 | -43.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2007 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2023 Audi A4 allroad.