| Model Year | 2008 | 2014 | |
| Model | Audi A6 / S6 | Mercedes-Benz C-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 111.9 in | 108.7 in | 3.2 in |
| Length | 193.5 in | 180.7 in | 12.8 in |
| Width | 73.1 in | 69.7 in | 3.4 in |
| Height | 57.5 in | 56.3 in | 1.2 in |
| Curb Weight | 4012 lb. | 3428 lb. | 584 lb. |
| Fuel Capacity | 21.1 gal. | 17.4 gal. | 3.7 gal. |
| Headroom, Row 1 | 38.7 in | 37.1 in | 1.6 in |
| Shoulder Room, Row 1 | 57.1 in | 54.7 in | 2.4 in |
| Hip Room, Row 1 | 0.0 in | 52.3 in | -52.3 in |
| Legroom, Row 1 | 41.3 in | 41.7 in | -0.4 in |
| Headroom, Row 2 | 37.8 in | 36.9 in | 0.9 in |
| Shoulder Room, Row 2 | 55.9 in | 55.0 in | 0.9 in |
| Hip Room, Row 2 | 0.0 in | 54.9 in | -54.9 in |
| Legroom, Row 2 | 36.9 in | 33.4 in | 3.5 in |
| Total Legroom | 78.2 in (over 2 rows) | 75.1 in (over 2 rows) | 3.1 in |
| Cargo Volume | 15.9 ft3 | 12.4 ft3 | 3.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2008 Audi A6 / S6.
None of our members have yet commented on the seat room and comfort of the 2014 Mercedes-Benz C-Class.