| Model Year | 2023 | 2011 | |
| Model | Audi A8 / S8 | Mercedes-Benz GL | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 123.1 in | 121.1 in | 2 in |
| Length | 209.5 in | 200.6 in | 8.9 in |
| Width | 76.6 in | 76.0 in | 0.6 in |
| Height | 58.3 in | 72.4 in | -14.1 in |
| Curb Weight | 4762 lb. | 5346 lb. | -584 lb. |
| Fuel Capacity | 21.7 gal. | 26.0 gal. | -4.3 gal. |
| Headroom, Row 1 | 38.3 in | 40.1 in | -1.8 in |
| Shoulder Room, Row 1 | 59.1 in | 58.3 in | 0.8 in |
| Legroom, Row 1 | 41.5 in | 40.3 in | 1.2 in |
| Headroom, Row 2 | 38.5 in | 40.6 in | -2.1 in |
| Shoulder Room, Row 2 | 57.6 in | 58.9 in | -1.3 in |
| Legroom, Row 2 | 44.3 in | 39.5 in | 4.8 in |
| Headroom, Row 3 | 0.0 in | 38.2 in | -38.2 in |
| Shoulder Room, Row 3 | 0.0 in | 50.5 in | -50.5 in |
| Legroom, Row 3 | 0.0 in | 34.2 in | -34.2 in |
| Total Legroom | 85.8 in (over 2 rows) | 114 in (over 3 rows) | -28.2 in |
| Cargo Volume, Minimum | 12.5 ft3 | 14.3 ft3 | -1.8 ft3 |
| Cargo Volume, Behind R2 | 12.5 | 43.8 ft3 | -31.3 |
| Cargo Volume, Maximum | 12.5 ft3 | 83.3 ft3 | -70.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2023 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2011 Mercedes-Benz GL.