| Model Year | 2015 | 2015 | |
| Model | Audi A8 / S8 | Mercedes-Benz SLS AMG | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Coupe | |
| Difference | |||
| Wheelbase | 117.8 in | 105.5 in | 12.3 in |
| Length | 202.2 in | 182.6 in | 19.6 in |
| Width | 76.7 in | 76.3 in | 0.4 in |
| Height | 57.5 in | 49.3 in | 8.2 in |
| Curb Weight | 4365 lb. | 3726 lb. | 639 lb. |
| Fuel Capacity | 21.7 gal. | 22.5 gal. | -0.8 gal. |
| Headroom, Row 1 | 37.2 in | 39.0 in | -1.8 in |
| Shoulder Room, Row 1 | 59.1 in | 58.4 in | 0.7 in |
| Hip Room, Row 1 | 0.0 in | 63.2 in | -63.2 in |
| Legroom, Row 1 | 41.4 in | 41.7 in | -0.3 in |
| Headroom, Row 2 | 38.1 in | 0.0 in | 38.1 in |
| Shoulder Room, Row 2 | 57.8 in | 0.0 in | 57.8 in |
| Legroom, Row 2 | 38.7 in | 0.0 in | 38.7 in |
| Total Legroom | 80.1 in (over 2 rows) | 41.7 in (over 1 rows) | 38.4 in |
| Cargo Volume | 14.2 ft3 | 6.2 ft3 | 8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2015 Mercedes-Benz SLS AMG.