| Model Year | 2017 | 2022 | |
| Model | Mercedes-Benz GLC Coupe | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 113.1 in | 123.1 in | -10 in |
| Length | 186.3 in | 209.5 in | -23.2 in |
| Width | 74.4 in | 76.6 in | -2.2 in |
| Height | 63.1 in | 58.3 in | 4.8 in |
| Curb Weight | 4133 lb. | 4762 lb. | -629 lb. |
| Fuel Capacity | 17.4 gal. | 21.7 gal. | -4.3 gal. |
| Headroom, Row 1 | 41.1 in | 38.3 in | 2.8 in |
| Shoulder Room, Row 1 | 0.0 in | 59.1 in | -59.1 in |
| Legroom, Row 1 | 0.0 in | 41.5 in | -41.5 in |
| Headroom, Row 2 | 38.5 in | 38.5 in | 0 in |
| Shoulder Room, Row 2 | 56.5 in | 57.6 in | -1.1 in |
| Legroom, Row 2 | 37.3 in | 44.3 in | -7 in |
| Total Legroom | 37.3 in (over 2 rows) | 85.8 in (over 2 rows) | -48.5 in |
| Cargo Volume, Minimum | 17.7 ft3 | 12.5 ft3 | 5.2 ft3 |
| Cargo Volume, Maximum | 49.4 ft3 | 12.5 ft3 | 36.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2017 Mercedes-Benz GLC Coupe.
None of our members have yet commented on the seat room and comfort of the 2022 Audi A8 / S8.