| Model Year | 2016 | 2023 | |
| Model | Mercedes-Benz GLC | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 113.1 in | 123.1 in | -10 in |
| Length | 183.3 in | 209.5 in | -26.2 in |
| Width | 74.4 in | 76.6 in | -2.2 in |
| Height | 64.5 in | 58.3 in | 6.2 in |
| Curb Weight | 3891 lb. | 4762 lb. | -871 lb. |
| Fuel Capacity | 17.4 gal. | 21.7 gal. | -4.3 gal. |
| Headroom, Row 1 | 37.8 in | 38.3 in | -0.5 in |
| Shoulder Room, Row 1 | 57.3 in | 59.1 in | -1.8 in |
| Legroom, Row 1 | 40.8 in | 41.5 in | -0.7 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 | 78.1 in (over 2 rows) | 85.8 in (over 2 rows) | -7.7 in |
| Cargo Volume, Minimum | 20.5 ft3 | 12.5 ft3 | 8 ft3 |
| Cargo Volume, Maximum | 56.5 ft3 | 12.5 ft3 | 44 ft3 |
None of our members have yet commented on the seat room and comfort of the 2016 Mercedes-Benz GLC.
None of our members have yet commented on the seat room and comfort of the 2023 Audi A8 / S8.