| Model Year | 2021 | 2016 | |
| Model | Mercedes-Benz C-Class | BMW X4 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 111.8 in | 110.6 in | 1.2 in |
| Length | 184.5 in | 184.3 in | 0.2 in |
| Width | 71.3 in | 74.1 in | -2.8 in |
| Height | 56.8 in | 63.9 in | -7.1 in |
| Curb Weight | 3472 lb. | 4130 lb. | -658 lb. |
| Fuel Capacity | 17.4 gal. | 17.7 gal. | -0.3 gal. |
| Headroom, Row 1 | 37.1 in | 40.0 in | -2.9 in |
| Shoulder Room, Row 1 | 55.3 in | 57.2 in | -1.9 in |
| Legroom, Row 1 | 41.7 in | 40.4 in | 1.3 in |
| Headroom, Row 2 | 37.1 in | 37.4 in | -0.3 in |
| Shoulder Room, Row 2 | 55.0 in | 56.0 in | -1 in |
| Legroom, Row 2 | 35.2 in | 34.8 in | 0.4 in |
| Total Legroom | 76.9 in (over 2 rows) | 75.2 in (over 2 rows) | 1.7 in |
| Cargo Volume, Minimum | 12.6 ft3 | 17.7 ft3 | -5.1 ft3 |
| Cargo Volume, Maximum | 12.6 ft3 | 49.4 ft3 | -36.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2021 Mercedes-Benz C-Class.
None of our members have yet commented on the seat room and comfort of the 2016 BMW X4.