| Model Year | 2008 | 2022 | |
| Model | Audi A8 / S8 | Mercedes-Benz SL | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Convertible | |
| Difference | |||
| Wheelbase | 115.9 in | 106.3 in | 9.6 in |
| Length | 199.3 in | 185.2 in | 14.1 in |
| Width | 74.6 in | 75.4 in | -0.8 in |
| Height | 56.9 in | 53.5 in | 3.4 in |
| Curb Weight | 4288 lb. | 4319 lb. | -31 lb. |
| Fuel Capacity | 23.8 gal. | 18.5 gal. | 5.3 gal. |
| Headroom, Row 1 | 37.3 in | 37.7 in | -0.4 in |
| Shoulder Room, Row 1 | 59.1 in | 56.3 in | 2.8 in |
| Legroom, Row 1 | 41.4 in | 41.5 in | -0.1 in |
| Headroom, Row 2 | 38.0 in | 32.7 in | 5.3 in |
| Shoulder Room, Row 2 | 57.5 in | 44.1 in | 13.4 in |
| Legroom, Row 2 | 37.6 in | 0.0 in | 37.6 in |
| Total Legroom | 79 in (over 2 rows) | 41.5 in (over 1 rows) | 37.5 in |
| Cargo Volume | 14.6 ft3 | 7.5 ft3 | 7.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2008 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2022 Mercedes-Benz SL.