| Model Year | 2015 | 2007 | |
| Model | Mercedes-Benz M-Class | BMW X5 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 114.8 in | 115.5 in | -0.7 in |
| Length | 189.1 in | 191.1 in | -2 in |
| Width | 75.2 in | 76.1 in | -0.9 in |
| Height | 70.7 in | 69.5 in | 1.2 in |
| Curb Weight | 4751 lb. | 4982 lb. | -231 lb. |
| Fuel Capacity | 24.6 gal. | 23.0 gal. | 1.6 gal. |
| Headroom, Row 1 | 38.9 in | 39.3 in | -0.4 in |
| Shoulder Room, Row 1 | 58.5 in | 60.0 in | -1.5 in |
| Legroom, Row 1 | 40.3 in | 40.0 in | 0.3 in |
| Headroom, Row 2 | 38.5 in | 39.0 in | -0.5 in |
| Shoulder Room, Row 2 | 58.4 in | 58.0 in | 0.4 in |
| Legroom, Row 2 | 38.4 in | 36.6 in | 1.8 in |
| Total Legroom | 78.7 in (over 2 rows) | 76.6 in (over 2 rows) | 2.1 in |
| Cargo Volume, Minimum | 36.2 ft3 | 7.1 ft3 | 29.1 ft3 |
| Cargo Volume, Behind R2 | 36.2 | 21.9 ft3 | 14.3 |
| Cargo Volume, Maximum | 71.0 ft3 | 75.2 ft3 | -4.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 Mercedes-Benz M-Class.
None of our members have yet commented on the seat room and comfort of the 2007 BMW X5.