| Model Year | 2014 | 2015 | |
| Model | Mercedes-Benz C-Class | BMW X3 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 108.7 in | 110.6 in | -1.9 in |
| Length | 180.7 in | 183.8 in | -3.1 in |
| Width | 69.7 in | 74.1 in | -4.4 in |
| Height | 56.3 in | 66.1 in | -9.8 in |
| Curb Weight | 3428 lb. | 4030 lb. | -602 lb. |
| Fuel Capacity | 17.4 gal. | 17.7 gal. | -0.3 gal. |
| Headroom, Row 1 | 37.1 in | 40.7 in | -3.6 in |
| Shoulder Room, Row 1 | 54.7 in | 57.3 in | -2.6 in |
| Hip Room, Row 1 | 52.3 in | 0.0 in | 52.3 in |
| Legroom, Row 1 | 41.7 in | 39.9 in | 1.8 in |
| Headroom, Row 2 | 36.9 in | 39.1 in | -2.2 in |
| Shoulder Room, Row 2 | 55.0 in | 56.0 in | -1 in |
| Hip Room, Row 2 | 54.9 in | 0.0 in | 54.9 in |
| Legroom, Row 2 | 33.4 in | 36.5 in | -3.1 in |
| Total Legroom | 75.1 in (over 2 rows) | 76.4 in (over 2 rows) | -1.3 in |
| Cargo Volume, Minimum | 12.4 ft3 | 27.6 ft3 | -15.2 ft3 |
| Cargo Volume, Maximum | 12.4 ft3 | 63.3 ft3 | -50.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2014 Mercedes-Benz C-Class.
None of our members have yet commented on the seat room and comfort of the 2015 BMW X3.