| Model Year | 2024 | 2008 | |
| Model | BMW XM | Mercedes-Benz R-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 122.2 in | 126.6 in | -4.4 in |
| Length | 201.2 in | 203.0 in | -1.8 in |
| Width | 78.9 in | 75.7 in | 3.2 in |
| Height | 69.1 in | 65.4 in | 3.7 in |
| Curb Weight | 6094 lb. | 4829 lb. | 1265 lb. |
| Fuel Capacity | 18.2 gal. | 25.1 gal. | -6.9 gal. |
| Headroom, Row 1 | 40.4 in | 39.8 in | 0.6 in |
| Shoulder Room, Row 1 | 60.3 in | 60.3 in | 0 in |
| Legroom, Row 1 | 40.4 in | 39.8 in | 0.6 in |
| Headroom, Row 2 | 38.8 in | 40.4 in | -1.6 in |
| Shoulder Room, Row 2 | 57.5 in | 59.6 in | -2.1 in |
| Legroom, Row 2 | 40.3 in | 36.2 in | 4.1 in |
| Headroom, Row 3 | 0.0 in | 37.2 in | -37.2 in |
| Shoulder Room, Row 3 | 0.0 in | 52.8 in | -52.8 in |
| Legroom, Row 3 | 0.0 in | 32.4 in | -32.4 in |
| Total Legroom | 80.7 in (over 2 rows) | 108.4 in (over 3 rows) | -27.7 in |
| Cargo Volume, Minimum | 18.6 ft3 | 15.3 ft3 | 3.3 ft3 |
| Cargo Volume, Behind R2 | 64.3 ft3 | 42.2 ft3 | 22.1 ft3 |
| Cargo Volume, Maximum | 64.3 ft3 | 85.0 ft3 | -20.7 ft3 |
None of our members have yet commented on the seat room and comfort of the 2024 BMW XM.
| 2008 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 |
| 2007 | 4dr SUV 268-horsepower 3.5L V6 7-speed shiftable automatic AWD |
3rd row seats are big enough and comfortable enough for an adult. 2nd row seats are the best captain chairs I have ever sat in in a car. Glass roof gives additional room appearance. see full Mercedes-Benz R-Class review |
| 2007 | 4dr SUV 268-horsepower 3.5L V6 7-speed shiftable automatic AWD |
Great front view, comfortable seats. see full Mercedes-Benz R-Class review |
| 2007 | 4dr SUV 302-horsepower 5.0L V8 7-speed shiftable automatic AWD |
There is excellent legroom in the middle and rear seats. All four recline. see full Mercedes-Benz R-Class review |
| 2007 | 4dr SUV turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD |
Outstanding room in the second row- tons of leg room. Very comfortable see full Mercedes-Benz R-Class review |
| 2008 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 |