| Model Year | 2015 | 2023 | |
| Model | Mercedes-Benz SLS AMG | BMW X5 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr SUV | |
| Difference | |||
| Wheelbase | 105.5 in | 117.1 in | -11.6 in |
| Length | 182.6 in | 194.3 in | -11.7 in |
| Width | 76.3 in | 78.9 in | -2.6 in |
| Height | 49.3 in | 69.0 in | -19.7 in |
| Curb Weight | 3726 lb. | 4813 lb. | -1087 lb. |
| Fuel Capacity | 22.5 gal. | 21.9 gal. | 0.6 gal. |
| Headroom, Row 1 | 39.0 in | 40.8 in | -1.8 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 | 38.7 in | -38.7 in |
| Shoulder Room, Row 2 | 0.0 in | 58.1 in | -58.1 in |
| Legroom, Row 2 | 0.0 in | 37.4 in | -37.4 in |
| Total Legroom | 41.7 in (over 1 rows) | 77.2 in (over 2 rows) | -35.5 in |
| Cargo Volume, Minimum | 6.2 ft3 | 33.9 ft3 | -27.7 ft3 |
| Cargo Volume, Maximum | 6.2 ft3 | 72.3 ft3 | -66.1 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 2023 BMW X5.