| Model Year | 2018 | 2013 | |
| Model | Audi A8 / S8 | Mercedes-Benz S-Class | |
| Engine | turbocharged 4.0L V8 DOHC-4v 605 hp@6100 517 lb-ft@1750 |
turbocharged 6.0L V12 OHC-3v 621 hp@4800 738 lb-ft@2000 |
|
| Transmission | 8-speed shiftable automatic | 5-speed shiftable automatic | |
| Drivetrain | AWD | RWD | |
| 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 | 73.7 in | 3 in |
| Height | 57.9 in | 58.0 in | -0.1 in |
| Curb Weight | 4464 lb. | 5082 lb. | -618 lb. |
| Fuel Capacity | 21.7 gal. | 23.8 gal. | -2.1 gal. |
| Headroom, Row 1 | 37.2 in | 37.8 in | -0.6 in |
| Shoulder Room, Row 1 | 59.1 in | 59.1 in | 0 in |
| Hip Room, Row 1 | 0.0 in | 59.9 in | -59.9 in |
| Legroom, Row 1 | 41.4 in | 41.9 in | -0.5 in |
| Headroom, Row 2 | 39.1 in | 38.5 in | 0.6 in |
| Shoulder Room, Row 2 | 57.8 in | 58.7 in | -0.9 in |
| Hip Room, Row 2 | 0.0 in | 59.4 in | -59.4 in |
| Legroom, Row 2 | 42.9 in | 42.3 in | 0.6 in |
| Total Legroom | 84.3 in (over 2 rows) | 84.2 in (over 2 rows) | 0.1 in |
| Cargo Volume | 14.2 ft3 | 16.4 ft3 | -2.2 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 2013 Mercedes-Benz S-Class.