| Model Year | 2012 | 2022 | |
| Model | Mercedes-Benz M-Class | Audi R8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 2dr Coupe | |
| Difference | |||
| Wheelbase | 114.8 in | 104.3 in | 10.5 in |
| Length | 189.1 in | 174.4 in | 14.7 in |
| Width | 75.2 in | 76.4 in | -1.2 in |
| Height | 70.7 in | 48.7 in | 22 in |
| Curb Weight | 4751 lb. | 3594 lb. | 1157 lb. |
| Fuel Capacity | 24.6 gal. | 21.9 gal. | 2.7 gal. |
| Headroom, Row 1 | 38.9 in | 38.5 in | 0.4 in |
| Shoulder Room, Row 1 | 58.5 in | 55.1 in | 3.4 in |
| Legroom, Row 1 | 40.3 in | 40.9 in | -0.6 in |
| Headroom, Row 2 | 38.5 in | 0.0 in | 38.5 in |
| Shoulder Room, Row 2 | 58.4 in | 0.0 in | 58.4 in |
| Legroom, Row 2 | 38.4 in | 0.0 in | 38.4 in |
| Total Legroom | 78.7 in (over 2 rows) | 40.9 in (over 1 rows) | 37.8 in |
| Cargo Volume, Minimum | 36.2 ft3 | 4.0 ft3 | 32.2 ft3 |
| Cargo Volume, Maximum | 71.0 ft3 | 8.0 ft3 | 63 ft3 |
| 2012 Mercedes-Benz M-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2013 | 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD |
No more back or leg pain on long trips. see full Mercedes-Benz M-Class review |
None of our members have yet commented on the seat room and comfort of the 2022 Audi R8.