| Model Year | 2014 | 2022 | |
| Model | Mercedes-Benz SLS AMG | BMW X7 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr SUV | |
| Difference | |||
| Wheelbase | 105.5 in | 122.2 in | -16.7 in |
| Length | 182.6 in | 203.3 in | -20.7 in |
| Width | 76.3 in | 78.7 in | -2.4 in |
| Height | 49.3 in | 71.1 in | -21.8 in |
| Curb Weight | 3726 lb. | 5370 lb. | -1644 lb. |
| Fuel Capacity | 22.5 gal. | 21.9 gal. | 0.6 gal. |
| Headroom, Row 1 | 39.0 in | 41.9 in | -2.9 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 | 39.8 in | 1.9 in |
| Headroom, Row 2 | 0.0 in | 39.9 in | -39.9 in |
| Shoulder Room, Row 2 | 0.0 in | 58.1 in | -58.1 in |
| Legroom, Row 2 | 0.0 in | 37.6 in | -37.6 in |
| Headroom, Row 3 | 0.0 in | 36.6 in | -36.6 in |
| Shoulder Room, Row 3 | 0.0 in | 47.9 in | -47.9 in |
| Legroom, Row 3 | 0.0 in | 33.3 in | -33.3 in |
| Total Legroom | 41.7 in (over 1 rows) | 110.7 in (over 3 rows) | -69 in |
| Cargo Volume, Minimum | 6.2 ft3 | 15.0 ft3 | -8.8 ft3 |
| Cargo Volume, Behind R2 | 6.2 | 48.6 ft3 | -42.4 |
| Cargo Volume, Maximum | 6.2 ft3 | 90.4 ft3 | -84.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2014 Mercedes-Benz SLS AMG.
None of our members have yet commented on the seat room and comfort of the 2022 BMW X7.