| Model Year | 2016 | 2017 | |
| Model | Mercedes-Benz C-Class | BMW 4-Series Gran Coupe | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Hatch | |
| Difference | |||
| Wheelbase | 111.8 in | 111.0 in | 0.8 in |
| Length | 184.5 in | 182.5 in | 2 in |
| Width | 71.3 in | 71.8 in | -0.5 in |
| Height | 56.8 in | 54.6 in | 2.2 in |
| Curb Weight | 3417 lb. | 3668 lb. | -251 lb. |
| Fuel Capacity | 18.0 gal. | 15.8 gal. | 2.2 gal. |
| Headroom, Row 1 | 37.1 in | 39.8 in | -2.7 in |
| Shoulder Room, Row 1 | 55.3 in | 54.8 in | 0.5 in |
| Legroom, Row 1 | 41.7 in | 42.2 in | -0.5 in |
| Headroom, Row 2 | 37.1 in | 37.2 in | -0.1 in |
| Shoulder Room, Row 2 | 55.0 in | 54.3 in | 0.7 in |
| Legroom, Row 2 | 35.2 in | 33.7 in | 1.5 in |
| Total Legroom | 76.9 in (over 2 rows) | 75.9 in (over 2 rows) | 1 in |
| Cargo Volume, Minimum | 12.6 ft3 | 17.0 ft3 | -4.4 ft3 |
| Cargo Volume, Maximum | 12.6 ft3 | 45.9 ft3 | -33.3 ft3 |
None of our members have yet commented on the seat room and comfort of the 2016 Mercedes-Benz C-Class.
None of our members have yet commented on the seat room and comfort of the 2017 BMW 4-Series Gran Coupe.