| Model Year | 2020 | 2023 | |
| Model | Audi A8 / S8 | Mercedes-Benz SL | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 2dr Convertible | |
| Difference | |||
| Wheelbase | 123.2 in | 106.3 in | 16.9 in |
| Length | 208.7 in | 185.2 in | 23.5 in |
| Width | 76.6 in | 75.4 in | 1.2 in |
| Height | 58.6 in | 53.5 in | 5.1 in |
| Curb Weight | 4773 lb. | 3990 lb. | 783 lb. |
| Fuel Capacity | 21.7 gal. | 18.5 gal. | 3.2 gal. |
| Headroom, Row 1 | 38.3 in | 37.7 in | 0.6 in |
| Shoulder Room, Row 1 | 59.1 in | 56.3 in | 2.8 in |
| Legroom, Row 1 | 41.5 in | 41.5 in | 0 in |
| Headroom, Row 2 | 38.5 in | 32.7 in | 5.8 in |
| Shoulder Room, Row 2 | 57.6 in | 44.1 in | 13.5 in |
| Legroom, Row 2 | 44.3 in | 0.0 in | 44.3 in |
| Total Legroom | 85.8 in (over 2 rows) | 41.5 in (over 1 rows) | 44.3 in |
| Cargo Volume | 12.5 ft3 | 7.5 ft3 | 5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz SL.