| Model Year | 2020 | 2010 | |
| Model | Mercedes-Benz SL | Audi Q7 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Hardtop conv. | 4dr SUV | |
| Difference | |||
| Wheelbase | 101.7 in | 118.2 in | -16.5 in |
| Length | 182.3 in | 200.2 in | -17.9 in |
| Width | 73.9 in | 78.1 in | -4.2 in |
| Height | 51.2 in | 68.4 in | -17.2 in |
| Curb Weight | 3826 lb. | 5015 lb. | -1189 lb. |
| Fuel Capacity | 19.8 gal. | 26.4 gal. | -6.6 gal. |
| Headroom, Row 1 | 39.1 in | 39.5 in | -0.4 in |
| Shoulder Room, Row 1 | 55.5 in | 58.7 in | -3.2 in |
| Legroom, Row 1 | 42.9 in | 41.3 in | 1.6 in |
| Headroom, Row 2 | 0.0 in | 39.0 in | -39 in |
| Shoulder Room, Row 2 | 0.0 in | 58.1 in | -58.1 in |
| Legroom, Row 2 | 0.0 in | 37.1 in | -37.1 in |
| Headroom, Row 3 | 0.0 in | 35.4 in | -35.4 in |
| Shoulder Room, Row 3 | 0.0 in | 48.6 in | -48.6 in |
| Legroom, Row 3 | 0.0 in | 29.2 in | -29.2 in |
| Total Legroom | 42.9 in (over 1 rows) | 107.6 in (over 3 rows) | -64.7 in |
| Cargo Volume, Minimum | 8.5 ft3 | 10.9 ft3 | -2.4 ft3 |
| Cargo Volume, Behind R2 | 8.5 | 40.1 ft3 | -31.6 |
| Cargo Volume, Maximum | 13.5 ft3 | 88.7 ft3 | -75.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Mercedes-Benz SL.
None of our members have yet commented on the seat room and comfort of the 2010 Audi Q7.