| Model Year | 2007 | 2019 | |
| Model | Audi A8 / S8 | Mercedes-Benz SL | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Hardtop conv. | |
| Difference | |||
| Wheelbase | 115.9 in | 101.7 in | 14.2 in |
| Length | 199.3 in | 182.3 in | 17 in |
| Width | 74.6 in | 73.9 in | 0.7 in |
| Height | 56.9 in | 51.2 in | 5.7 in |
| Curb Weight | 4288 lb. | 3826 lb. | 462 lb. |
| Fuel Capacity | 23.8 gal. | 19.8 gal. | 4 gal. |
| Headroom, Row 1 | 37.3 in | 39.1 in | -1.8 in |
| Shoulder Room, Row 1 | 59.1 in | 55.5 in | 3.6 in |
| Legroom, Row 1 | 41.4 in | 42.9 in | -1.5 in |
| Headroom, Row 2 | 38.0 in | 0.0 in | 38 in |
| Shoulder Room, Row 2 | 57.5 in | 0.0 in | 57.5 in |
| Legroom, Row 2 | 37.6 in | 0.0 in | 37.6 in |
| Total Legroom | 79 in (over 2 rows) | 42.9 in (over 1 rows) | 36.1 in |
| Cargo Volume, Minimum | 14.6 ft3 | 8.5 ft3 | 6.1 ft3 |
| Cargo Volume, Maximum | 14.6 ft3 | 13.5 ft3 | 1.1 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 2019 Mercedes-Benz SL.