| Model Year | 2014 | 2011 | |
| Model | Mercedes-Benz B-Class | BMW X3 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Hatch | 4dr SUV | |
| Difference | |||
| Wheelbase | 106.3 in | 110.6 in | -4.3 in |
| Length | 171.6 in | 183.0 in | -11.4 in |
| Width | 70.3 in | 74.1 in | -3.8 in |
| Height | 61.3 in | 65.4 in | -4.1 in |
| Curb Weight | 3924 lb. | 4112 lb. | -188 lb. |
| Fuel Capacity | 0.0 gal. | 17.7 gal. | -17.7 gal. |
| Headroom, Row 1 | 0.0 in | 40.7 in | -40.7 in |
| Shoulder Room, Row 1 | 0.0 in | 57.3 in | -57.3 in |
| Legroom, Row 1 | 0.0 in | 39.9 in | -39.9 in |
| Headroom, Row 2 | 0.0 in | 39.1 in | -39.1 in |
| Shoulder Room, Row 2 | 0.0 in | 56.0 in | -56 in |
| Legroom, Row 2 | 0.0 in | 36.8 in | -36.8 in |
| Total Legroom | 0 in (over 1 rows) | 76.7 in (over 2 rows) | -76.7 in |
| Cargo Volume, Minimum | 21.0 ft3 | 27.6 ft3 | -6.6 ft3 |
| Cargo Volume, Maximum | 51.4 ft3 | 63.3 ft3 | -11.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2014 Mercedes-Benz B-Class.
None of our members have yet commented on the seat room and comfort of the 2011 BMW X3.