| Model Year | 2015 | 2015 | |
| Model | Mercedes-Benz CLS | BMW X4 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 113.2 in | 110.6 in | 2.6 in |
| Length | 194.5 in | 184.3 in | 10.2 in |
| Width | 74.1 in | 74.1 in | 0 in |
| Height | 55.8 in | 63.9 in | -8.1 in |
| Curb Weight | 4034 lb. | 4130 lb. | -96 lb. |
| Fuel Capacity | 21.1 gal. | 17.7 gal. | 3.4 gal. |
| Headroom, Row 1 | 36.9 in | 40.0 in | -3.1 in |
| Shoulder Room, Row 1 | 57.1 in | 57.2 in | -0.1 in |
| Hip Room, Row 1 | 58.0 in | 0.0 in | 58 in |
| Legroom, Row 1 | 42.1 in | 40.4 in | 1.7 in |
| Headroom, Row 2 | 36.1 in | 37.4 in | -1.3 in |
| Shoulder Room, Row 2 | 56.5 in | 56.0 in | 0.5 in |
| Hip Room, Row 2 | 57.6 in | 0.0 in | 57.6 in |
| Legroom, Row 2 | 35.0 in | 34.8 in | 0.2 in |
| Total Legroom | 77.1 in (over 2 rows) | 75.2 in (over 2 rows) | 1.9 in |
| Cargo Volume, Minimum | 15.3 ft3 | 17.7 ft3 | -2.4 ft3 |
| Cargo Volume, Maximum | 15.3 ft3 | 49.4 ft3 | -34.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 Mercedes-Benz CLS.
None of our members have yet commented on the seat room and comfort of the 2015 BMW X4.