| Model Year | 2009 | 2024 | |
| Model | Mercedes-Benz R-Class | BMW i4 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Hatch | |
| Difference | |||
| Wheelbase | 126.6 in | 112.4 in | 14.2 in |
| Length | 203.0 in | 188.5 in | 14.5 in |
| Width | 75.7 in | 72.9 in | 2.8 in |
| Height | 65.4 in | 57.0 in | 8.4 in |
| Curb Weight | 4829 lb. | 4553 lb. | 276 lb. |
| Fuel Capacity | 25.1 gal. | 0.0 gal. | 25.1 gal. |
| Headroom, Row 1 | 39.8 in | 38.2 in | 1.6 in |
| Shoulder Room, Row 1 | 60.3 in | 55.2 in | 5.1 in |
| Legroom, Row 1 | 39.8 in | 41.5 in | -1.7 in |
| Headroom, Row 2 | 40.4 in | 36.6 in | 3.8 in |
| Shoulder Room, Row 2 | 59.6 in | 54.3 in | 5.3 in |
| Legroom, Row 2 | 36.2 in | 34.2 in | 2 in |
| Headroom, Row 3 | 37.2 in | 0.0 in | 37.2 in |
| Shoulder Room, Row 3 | 52.8 in | 0.0 in | 52.8 in |
| Legroom, Row 3 | 32.4 in | 0.0 in | 32.4 in |
| Total Legroom | 108.4 in (over 3 rows) | 75.7 in (over 2 rows) | 32.7 in |
| Cargo Volume, Minimum | 15.3 ft3 | 16.6 ft3 | -1.3 ft3 |
| Cargo Volume, Behind R2 | 42.2 ft3 | 16.6 | 25.6 ft3 |
| Cargo Volume, Maximum | 85.0 ft3 | 45.6 ft3 | 39.4 ft3 |
| 2009 Mercedes-Benz R-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2008 | 4dr SUV 268-horsepower 3.5L V6 7-speed shiftable automatic AWD |
Very roomie see full Mercedes-Benz R-Class review |
| 2009 Mercedes-Benz R-Class Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr SUV 268-horsepower 3.5L V6 7-speed shiftable automatic AWD |
Three different lumbar pumps...don't seem to be very different in what is inflated. see full Mercedes-Benz R-Class review |
None of our members have yet commented on the seat room and comfort of the 2024 BMW i4.