| Model Year | 2010 | 2010 | |
| Model | BMW Z4 | Mercedes-Benz GL | |
| Engine | 3.0L I6 DOHC-4v 255 hp@6600 220 lb-ft@2600 |
5.5L V8 DOHC-4v 382 hp@6000 391 lb-ft@2800 |
|
| Transmission | 6-speed shiftable automatic | 7-speed shiftable automatic | |
| Drivetrain | RWD | AWD | |
| Body | 2dr Hardtop conv. | 4dr SUV | |
| Difference | |||
| Wheelbase | 98.3 in | 121.1 in | -22.8 in |
| Length | 166.9 in | 200.6 in | -33.7 in |
| Width | 70.5 in | 76.0 in | -5.5 in |
| Height | 50.8 in | 72.4 in | -21.6 in |
| Curb Weight | 3307 lb. | 5545 lb. | -2238 lb. |
| Fuel Capacity | 14.5 gal. | 26.0 gal. | -11.5 gal. |
| Headroom, Row 1 | 39.1 in | 40.1 in | -1 in |
| Shoulder Room, Row 1 | 53.3 in | 58.3 in | -5 in |
| Legroom, Row 1 | 42.2 in | 40.3 in | 1.9 in |
| Headroom, Row 2 | 0.0 in | 40.6 in | -40.6 in |
| Shoulder Room, Row 2 | 0.0 in | 58.9 in | -58.9 in |
| Legroom, Row 2 | 0.0 in | 39.5 in | -39.5 in |
| Headroom, Row 3 | 0.0 in | 38.2 in | -38.2 in |
| Shoulder Room, Row 3 | 0.0 in | 50.5 in | -50.5 in |
| Legroom, Row 3 | 0.0 in | 34.2 in | -34.2 in |
| Total Legroom | 42.2 in (over 1 rows) | 114 in (over 3 rows) | -71.8 in |
| Cargo Volume, Minimum | 10.9 ft3 | 14.3 ft3 | -3.4 ft3 |
| Cargo Volume, Behind R2 | 10.9 | 43.8 ft3 | -32.9 |
| Cargo Volume, Maximum | 10.9 ft3 | 83.3 ft3 | -72.4 ft3 |
| 2010 BMW Z4 Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2011 | 2dr Hardtop conv. 255-horsepower 3.0L I6 6-speed shiftable automatic RWD |
What rear seat? see full BMW Z4 review |
| 2009 | 2dr Hardtop conv. 255-horsepower 3.0L I6 6-speed shiftable automatic RWD |
no back seats see full BMW Z4 review |
| 2010 Mercedes-Benz GL Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr SUV 335-horsepower 4.7L V8 7-speed shiftable automatic AWD |
This SUV has a third row seat that can accommodate adults comfortably, without sacrificing braking and safety. see full Mercedes-Benz GL review |