| Model Year | 2011 | 2021 | |
| Model | Mercedes-Benz SL | Audi A8 / S8 | |
| Engine | 6.2L V8 DOHC-4v 518 hp@6800 465 lb-ft@5200 |
turbocharged 4.0L V8 Hybrid DOHC-4v 563 hp@6000 590 lb-ft@2000 |
|
| Transmission | 7-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | RWD | AWD | |
| Body | 2dr Hardtop conv. | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 100.8 in | 123.2 in | -22.4 in |
| Length | 180.4 in | 208.7 in | -28.3 in |
| Width | 71.5 in | 76.6 in | -5.1 in |
| Height | 51.1 in | 58.6 in | -7.5 in |
| Curb Weight | 4274 lb. | 5302 lb. | -1028 lb. |
| Fuel Capacity | 21.1 gal. | 21.7 gal. | -0.6 gal. |
| Headroom, Row 1 | 37.7 in | 38.3 in | -0.6 in |
| Shoulder Room, Row 1 | 54.0 in | 59.1 in | -5.1 in |
| Hip Room, Row 1 | 53.9 in | 0.0 in | 53.9 in |
| Legroom, Row 1 | 42.9 in | 41.5 in | 1.4 in |
| Headroom, Row 2 | 0.0 in | 38.5 in | -38.5 in |
| Shoulder Room, Row 2 | 0.0 in | 57.6 in | -57.6 in |
| Legroom, Row 2 | 0.0 in | 44.3 in | -44.3 in |
| Total Legroom | 42.9 in (over 1 rows) | 85.8 in (over 2 rows) | -42.9 in |
| Cargo Volume, Minimum | 7.2 ft3 | 12.5 ft3 | -5.3 ft3 |
| Cargo Volume, Maximum | 10.2 ft3 | 12.5 ft3 | -2.3 ft3 |
None of our members have yet commented on the seat room and comfort of the 2011 Mercedes-Benz SL.
None of our members have yet commented on the seat room and comfort of the 2021 Audi A8 / S8.