| Model Year | 2012 | 2020 | |
| Model | Mercedes-Benz SLS AMG | BMW X6 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr SUV | |
| Difference | |||
| Wheelbase | 105.5 in | 117.1 in | -11.6 in |
| Length | 182.6 in | 194.8 in | -12.2 in |
| Width | 76.3 in | 78.9 in | -2.6 in |
| Height | 49.3 in | 66.8 in | -17.5 in |
| Curb Weight | 3571 lb. | 4784 lb. | -1213 lb. |
| Fuel Capacity | 22.5 gal. | 21.9 gal. | 0.6 gal. |
| Headroom, Row 1 | 39.0 in | 39.3 in | -0.3 in |
| Shoulder Room, Row 1 | 58.4 in | 60.0 in | -1.6 in |
| Hip Room, Row 1 | 63.2 in | 0.0 in | 63.2 in |
| Legroom, Row 1 | 41.7 in | 40.4 in | 1.3 in |
| Headroom, Row 2 | 0.0 in | 37.5 in | -37.5 in |
| Shoulder Room, Row 2 | 0.0 in | 57.7 in | -57.7 in |
| Legroom, Row 2 | 0.0 in | 35.7 in | -35.7 in |
| Total Legroom | 41.7 in (over 1 rows) | 76.1 in (over 2 rows) | -34.4 in |
| Cargo Volume, Minimum | 6.2 ft3 | 27.4 ft3 | -21.2 ft3 |
| Cargo Volume, Maximum | 6.2 ft3 | 59.6 ft3 | -53.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2012 Mercedes-Benz SLS AMG.
None of our members have yet commented on the seat room and comfort of the 2020 BMW X6.