| Model Year | 2017 | 2022 | |
| Model | BMW 6-Series Gran Coupe | Mercedes-Benz C-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 116.9 in | 112.8 in | 4.1 in |
| Length | 197.2 in | 187.0 in | 10.2 in |
| Width | 74.6 in | 74.4 in | 0.2 in |
| Height | 54.8 in | 56.6 in | -1.8 in |
| Curb Weight | 4191 lb. | 3825 lb. | 366 lb. |
| Fuel Capacity | 18.5 gal. | 17.4 gal. | 1.1 gal. |
| Headroom, Row 1 | 40.6 in | 37.2 in | 3.4 in |
| Shoulder Room, Row 1 | 56.7 in | 56.3 in | 0.4 in |
| Legroom, Row 1 | 42.1 in | 41.7 in | 0.4 in |
| Headroom, Row 2 | 37.0 in | 37.5 in | -0.5 in |
| Shoulder Room, Row 2 | 54.6 in | 55.6 in | -1 in |
| Legroom, Row 2 | 35.3 in | 36.0 in | -0.7 in |
| Total Legroom | 77.4 in (over 2 rows) | 77.7 in (over 2 rows) | -0.3 in |
| Cargo Volume | 16.2 ft3 | 12.6 ft3 | 3.6 ft3 |
None of our members have yet commented on the seat room and comfort of the 2017 BMW 6-Series Gran Coupe.
None of our members have yet commented on the seat room and comfort of the 2022 Mercedes-Benz C-Class.