| Model Year | 2017 | 2020 | |
| Model | Mercedes-Benz C-Class | Audi R8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 2dr Coupe | |
| Difference | |||
| Wheelbase | 111.8 in | 104.3 in | 7.5 in |
| Length | 184.5 in | 174.3 in | 10.2 in |
| Width | 71.3 in | 76.4 in | -5.1 in |
| Height | 55.3 in | 48.8 in | 6.5 in |
| Curb Weight | 3638 lb. | 3715 lb. | -77 lb. |
| Fuel Capacity | 17.4 gal. | 21.9 gal. | -4.5 gal. |
| Headroom, Row 1 | 38.8 in | 38.5 in | 0.3 in |
| Shoulder Room, Row 1 | 54.8 in | 55.1 in | -0.3 in |
| Legroom, Row 1 | 42.0 in | 40.9 in | 1.1 in |
| Headroom, Row 2 | 35.6 in | 0.0 in | 35.6 in |
| Shoulder Room, Row 2 | 51.7 in | 0.0 in | 51.7 in |
| Legroom, Row 2 | 32.0 in | 0.0 in | 32 in |
| Total Legroom | 74 in (over 2 rows) | 40.9 in (over 1 rows) | 33.1 in |
| Cargo Volume, Minimum | 10.5 ft3 | 4.0 ft3 | 6.5 ft3 |
| Cargo Volume, Maximum | 10.5 ft3 | 8.0 ft3 | 2.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2017 Mercedes-Benz C-Class.
None of our members have yet commented on the seat room and comfort of the 2020 Audi R8.