| Model Year | 2018 | 2018 | |
| Model | Audi A8 / S8 | Mercedes-Benz S-Class | |
| Engine | turbocharged 4.0L V8 DOHC-4v 605 hp@6100 517 lb-ft@1750 |
turbocharged 4.0L V8 DOHC-4v 603 hp@5500 664 lb-ft@2250 |
|
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr Sedan, ext. | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 122.9 in | 124.6 in | -1.7 in |
| Length | 207.4 in | 206.5 in | 0.9 in |
| Width | 76.7 in | 74.8 in | 1.9 in |
| Height | 57.9 in | 58.7 in | -0.8 in |
| Curb Weight | 4464 lb. | 4806 lb. | -342 lb. |
| Fuel Capacity | 21.7 gal. | 21.1 gal. | 0.6 gal. |
| Headroom, Row 1 | 37.2 in | 39.7 in | -2.5 in |
| Shoulder Room, Row 1 | 59.1 in | 59.7 in | -0.6 in |
| Legroom, Row 1 | 41.4 in | 41.4 in | 0 in |
| Headroom, Row 2 | 39.1 in | 37.4 in | 1.7 in |
| Shoulder Room, Row 2 | 57.8 in | 59.1 in | -1.3 in |
| Legroom, Row 2 | 42.9 in | 43.1 in | -0.2 in |
| Total Legroom | 84.3 in (over 2 rows) | 84.5 in (over 2 rows) | -0.2 in |
| Cargo Volume | 14.2 ft3 | 16.3 ft3 | -2.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2018 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2018 Mercedes-Benz S-Class.