| Model Year | 2010 | 2023 | |
| Model | Mercedes-Benz M-Class | Audi A6 / S6 / RS6 | |
| Engine | 6.2L V8 DOHC-4v 503 hp@6800 465 lb-ft@5200 |
turbocharged 4.0L V8 DOHC-4v 591 hp@6000 590 lb-ft@2050 |
|
| Transmission | 7-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr SUV | 4dr Wagon | |
| Difference | |||
| Wheelbase | 114.7 in | 115.3 in | -0.6 in |
| Length | 188.5 in | 197.0 in | -8.5 in |
| Width | 75.2 in | 76.8 in | -1.6 in |
| Height | 70.1 in | 58.6 in | 11.5 in |
| Curb Weight | 5093 lb. | 4960 lb. | 133 lb. |
| Fuel Capacity | 25.1 gal. | 19.3 gal. | 5.8 gal. |
| Headroom, Row 1 | 39.9 in | 38.3 in | 1.6 in |
| Shoulder Room, Row 1 | 59.9 in | 57.8 in | 2.1 in |
| Hip Room, Row 1 | 55.9 in | 0.0 in | 55.9 in |
| Legroom, Row 1 | 42.2 in | 41.3 in | 0.9 in |
| Headroom, Row 2 | 39.8 in | 39.5 in | 0.3 in |
| Shoulder Room, Row 2 | 59.8 in | 56.5 in | 3.3 in |
| Hip Room, Row 2 | 56.2 in | 0.0 in | 56.2 in |
| Legroom, Row 2 | 40.0 in | 37.4 in | 2.6 in |
| Total Legroom | 82.2 in (over 2 rows) | 78.7 in (over 2 rows) | 3.5 in |
| Cargo Volume, Minimum | 29.4 ft3 | 20.0 ft3 | 9.4 ft3 |
| Cargo Volume, Maximum | 72.4 ft3 | 59.3 ft3 | 13.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2010 Mercedes-Benz M-Class.
None of our members have yet commented on the seat room and comfort of the 2023 Audi A6 / S6 / RS6.