| Model Year | 2010 | 2021 | |
| Model | Mercedes-Benz M-Class | Mini Convertible | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 2dr Convertible | |
| Difference | |||
| Wheelbase | 114.7 in | 98.2 in | 16.5 in |
| Length | 188.5 in | 151.1 in | 37.4 in |
| Width | 75.2 in | 68.0 in | 7.2 in |
| Height | 70.1 in | 55.7 in | 14.4 in |
| Curb Weight | 4705 lb. | 2948 lb. | 1757 lb. |
| Fuel Capacity | 25.1 gal. | 11.6 gal. | 13.5 gal. |
| Headroom, Row 1 | 39.9 in | 39.8 in | 0.1 in |
| Shoulder Room, Row 1 | 59.9 in | 51.0 in | 8.9 in |
| Hip Room, Row 1 | 55.9 in | 0.0 in | 55.9 in |
| Legroom, Row 1 | 42.2 in | 41.4 in | 0.8 in |
| Headroom, Row 2 | 39.8 in | 39.0 in | 0.8 in |
| Shoulder Room, Row 2 | 59.8 in | 39.7 in | 20.1 in |
| Hip Room, Row 2 | 56.2 in | 0.0 in | 56.2 in |
| Legroom, Row 2 | 40.0 in | 30.9 in | 9.1 in |
| Total Legroom | 82.2 in (over 2 rows) | 72.3 in (over 2 rows) | 9.9 in |
| Cargo Volume, Minimum | 29.4 ft3 | 7.6 ft3 | 21.8 ft3 |
| Cargo Volume, Maximum | 72.4 ft3 | 7.6 ft3 | 64.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2010 Mercedes-Benz M-Class.
None of our members have yet commented on the seat room and comfort of the 2021 Mini Convertible.