| Model Year | 2011 | 2011 | |
| Model | Mercedes-Benz M-Class | BMW X3 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 114.7 in | 110.6 in | 4.1 in |
| Length | 188.5 in | 183.0 in | 5.5 in |
| Width | 75.2 in | 74.1 in | 1.1 in |
| Height | 70.1 in | 65.4 in | 4.7 in |
| Curb Weight | 4705 lb. | 4112 lb. | 593 lb. |
| Fuel Capacity | 25.1 gal. | 17.7 gal. | 7.4 gal. |
| Headroom, Row 1 | 39.9 in | 40.7 in | -0.8 in |
| Shoulder Room, Row 1 | 59.9 in | 57.3 in | 2.6 in |
| Hip Room, Row 1 | 55.9 in | 0.0 in | 55.9 in |
| Legroom, Row 1 | 42.2 in | 39.9 in | 2.3 in |
| Headroom, Row 2 | 39.8 in | 39.1 in | 0.7 in |
| Shoulder Room, Row 2 | 59.8 in | 56.0 in | 3.8 in |
| Hip Room, Row 2 | 56.2 in | 0.0 in | 56.2 in |
| Legroom, Row 2 | 40.0 in | 36.8 in | 3.2 in |
| Total Legroom | 82.2 in (over 2 rows) | 76.7 in (over 2 rows) | 5.5 in |
| Cargo Volume, Minimum | 29.4 ft3 | 27.6 ft3 | 1.8 ft3 |
| Cargo Volume, Maximum | 72.4 ft3 | 63.3 ft3 | 9.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2011 Mercedes-Benz M-Class.
None of our members have yet commented on the seat room and comfort of the 2011 BMW X3.