| Model Year | 2009 | 2018 | |
| Model | Mercedes-Benz CLK | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr Sedan | |
| Difference | |||
| Wheelbase | 106.9 in | 117.8 in | -10.9 in |
| Length | 183.2 in | 202.6 in | -19.4 in |
| Width | 68.5 in | 76.7 in | -8.2 in |
| Height | 55.4 in | 57.4 in | -2 in |
| Curb Weight | 3585 lb. | 4685 lb. | -1100 lb. |
| Fuel Capacity | 16.4 gal. | 21.7 gal. | -5.3 gal. |
| Headroom, Row 1 | 37.1 in | 37.2 in | -0.1 in |
| Shoulder Room, Row 1 | 53.2 in | 59.1 in | -5.9 in |
| Hip Room, Row 1 | 53.7 in | 0.0 in | 53.7 in |
| Legroom, Row 1 | 42.0 in | 41.4 in | 0.6 in |
| Headroom, Row 2 | 35.8 in | 38.1 in | -2.3 in |
| Shoulder Room, Row 2 | 49.3 in | 57.8 in | -8.5 in |
| Hip Room, Row 2 | 45.9 in | 0.0 in | 45.9 in |
| Legroom, Row 2 | 33.0 in | 38.7 in | -5.7 in |
| Total Legroom | 75 in (over 2 rows) | 80.1 in (over 2 rows) | -5.1 in |
| Cargo Volume | 10.4 ft3 | 14.2 ft3 | -3.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2009 Mercedes-Benz CLK.
None of our members have yet commented on the seat room and comfort of the 2018 Audi A8 / S8.