| Model Year | 2015 | 2015 | |
| Model | Audi A8 / S8 | Mercedes-Benz C-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 117.8 in | 111.8 in | 6 in |
| Length | 202.2 in | 184.5 in | 17.7 in |
| Width | 76.7 in | 71.3 in | 5.4 in |
| Height | 57.5 in | 56.8 in | 0.7 in |
| Curb Weight | 4365 lb. | 3417 lb. | 948 lb. |
| Fuel Capacity | 21.7 gal. | 18.0 gal. | 3.7 gal. |
| Headroom, Row 1 | 37.2 in | 37.1 in | 0.1 in |
| Shoulder Room, Row 1 | 59.1 in | 55.3 in | 3.8 in |
| Legroom, Row 1 | 41.4 in | 41.7 in | -0.3 in |
| Headroom, Row 2 | 38.1 in | 37.1 in | 1 in |
| Shoulder Room, Row 2 | 57.8 in | 55.0 in | 2.8 in |
| Legroom, Row 2 | 38.7 in | 35.2 in | 3.5 in |
| Total Legroom | 80.1 in (over 2 rows) | 76.9 in (over 2 rows) | 3.2 in |
| Cargo Volume | 14.2 ft3 | 12.6 ft3 | 1.6 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 C-Class.