| Model Year | 2015 | 2012 | |
| Model | Mercedes-Benz SLS AMG | BMW 7-Series | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr Sedan | |
| Difference | |||
| Wheelbase | 105.5 in | 120.9 in | -15.4 in |
| Length | 182.6 in | 199.8 in | -17.2 in |
| Width | 76.3 in | 74.9 in | 1.4 in |
| Height | 49.3 in | 58.3 in | -9 in |
| Curb Weight | 3726 lb. | 4344 lb. | -618 lb. |
| Fuel Capacity | 22.5 gal. | 21.7 gal. | 0.8 gal. |
| Headroom, Row 1 | 39.0 in | 40.6 in | -1.6 in |
| Shoulder Room, Row 1 | 58.4 in | 59.2 in | -0.8 in |
| Hip Room, Row 1 | 63.2 in | 0.0 in | 63.2 in |
| Legroom, Row 1 | 41.7 in | 41.2 in | 0.5 in |
| Headroom, Row 2 | 0.0 in | 38.5 in | -38.5 in |
| Shoulder Room, Row 2 | 0.0 in | 57.2 in | -57.2 in |
| Legroom, Row 2 | 0.0 in | 38.4 in | -38.4 in |
| Total Legroom | 41.7 in (over 1 rows) | 79.6 in (over 2 rows) | -37.9 in |
| Cargo Volume | 6.2 ft3 | 17.7 ft3 | -11.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 Mercedes-Benz SLS AMG.
None of our members have yet commented on the seat room and comfort of the 2012 BMW 7-Series.