| Model Year | 2021 | 2010 | |
| Model | Audi A4 / S4 | Mercedes-Benz M-Class | |
| Engine | turbocharged 3.0L V6 DOHC-4v 349 hp@5400 369 lb-ft@1370 |
6.2L V8 DOHC-4v 503 hp@6800 465 lb-ft@5200 |
|
| Transmission | 8-speed shiftable automatic | 7-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 111.0 in | 114.7 in | -3.7 in |
| Length | 187.5 in | 188.5 in | -1 in |
| Width | 72.7 in | 75.2 in | -2.5 in |
| Height | 56.2 in | 70.1 in | -13.9 in |
| Curb Weight | 3847 lb. | 5093 lb. | -1246 lb. |
| Fuel Capacity | 15.3 gal. | 25.1 gal. | -9.8 gal. |
| Headroom, Row 1 | 37.3 in | 39.9 in | -2.6 in |
| Shoulder Room, Row 1 | 55.9 in | 59.9 in | -4 in |
| Hip Room, Row 1 | 0.0 in | 55.9 in | -55.9 in |
| Legroom, Row 1 | 41.3 in | 42.2 in | -0.9 in |
| Headroom, Row 2 | 37.4 in | 39.8 in | -2.4 in |
| Shoulder Room, Row 2 | 54.5 in | 59.8 in | -5.3 in |
| Hip Room, Row 2 | 0.0 in | 56.2 in | -56.2 in |
| Legroom, Row 2 | 35.7 in | 40.0 in | -4.3 in |
| Total Legroom | 77 in (over 2 rows) | 82.2 in (over 2 rows) | -5.2 in |
| Cargo Volume, Minimum | 12.0 ft3 | 29.4 ft3 | -17.4 ft3 |
| Cargo Volume, Maximum | 12.0 ft3 | 72.4 ft3 | -60.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2021 Audi A4 / S4.
None of our members have yet commented on the seat room and comfort of the 2010 Mercedes-Benz M-Class.