| Model Year | 2008 | 2010 | |
| Model | Mercedes-Benz CLS | Audi A8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 112.4 in | 115.9 in | -3.5 in |
| Length | 193.0 in | 199.3 in | -6.3 in |
| Width | 73.7 in | 74.6 in | -0.9 in |
| Height | 54.7 in | 56.9 in | -2.2 in |
| Curb Weight | 3992 lb. | 4288 lb. | -296 lb. |
| Fuel Capacity | 21.1 gal. | 23.8 gal. | -2.7 gal. |
| Headroom, Row 1 | 36.9 in | 37.3 in | -0.4 in |
| Shoulder Room, Row 1 | 56.2 in | 59.1 in | -2.9 in |
| Hip Room, Row 1 | 58.0 in | 0.0 in | 58 in |
| Legroom, Row 1 | 42.1 in | 41.4 in | 0.7 in |
| Headroom, Row 2 | 36.1 in | 38.0 in | -1.9 in |
| Shoulder Room, Row 2 | 56.0 in | 57.5 in | -1.5 in |
| Hip Room, Row 2 | 57.6 in | 0.0 in | 57.6 in |
| Legroom, Row 2 | 35.0 in | 37.6 in | -2.6 in |
| Total Legroom | 77.1 in (over 2 rows) | 79 in (over 2 rows) | -1.9 in |
| Cargo Volume | 15.8 ft3 | 14.6 ft3 | 1.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2008 Mercedes-Benz CLS.
None of our members have yet commented on the seat room and comfort of the 2010 Audi A8.