| Model Year | 2013 | 2011 | |
| Model | Mercedes-Benz CLS | Audi A8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 113.2 in | 117.8 in | -4.6 in |
| Length | 194.5 in | 202.2 in | -7.7 in |
| Width | 74.1 in | 76.7 in | -2.6 in |
| Height | 55.8 in | 57.5 in | -1.7 in |
| Curb Weight | 4158 lb. | 4409 lb. | -251 lb. |
| Fuel Capacity | 21.1 gal. | 23.8 gal. | -2.7 gal. |
| Headroom, Row 1 | 36.9 in | 37.2 in | -0.3 in |
| Shoulder Room, Row 1 | 57.1 in | 59.1 in | -2 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 | 38.1 in | -2 in |
| Shoulder Room, Row 2 | 56.5 in | 57.8 in | -1.3 in |
| Hip Room, Row 2 | 57.6 in | 0.0 in | 57.6 in |
| Legroom, Row 2 | 35.0 in | 38.7 in | -3.7 in |
| Total Legroom | 77.1 in (over 2 rows) | 80.1 in (over 2 rows) | -3 in |
| Cargo Volume | 15.3 ft3 | 13.2 ft3 | 2.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2013 Mercedes-Benz CLS.
None of our members have yet commented on the seat room and comfort of the 2011 Audi A8.