| Model Year | 2018 | 2011 | |
| Model | Mercedes-Benz GLS | BMW Z4 | |
| Engine | turbocharged 5.5L V8 DOHC-4v 577 hp@5500 561 lb-ft@1750 |
turbocharged 3.0L I6 DOHC-4v 335 hp@5900 332 lb-ft@1500 |
|
| Transmission | 7-speed shiftable automatic | 7-speed automated manual | |
| Drivetrain | AWD | RWD | |
| Body | 4dr SUV | 2dr Hardtop conv. | |
| Difference | |||
| Wheelbase | 121.1 in | 98.3 in | 22.8 in |
| Length | 202.0 in | 166.9 in | 35.1 in |
| Width | 76.1 in | 70.5 in | 5.6 in |
| Height | 72.8 in | 50.8 in | 22 in |
| Curb Weight | 5754 lb. | 3538 lb. | 2216 lb. |
| Fuel Capacity | 26.4 gal. | 14.5 gal. | 11.9 gal. |
| Headroom, Row 1 | 41.2 in | 39.1 in | 2.1 in |
| Shoulder Room, Row 1 | 58.5 in | 53.3 in | 5.2 in |
| Legroom, Row 1 | 40.3 in | 42.2 in | -1.9 in |
| Headroom, Row 2 | 40.0 in | 0.0 in | 40 in |
| Shoulder Room, Row 2 | 58.3 in | 0.0 in | 58.3 in |
| Legroom, Row 2 | 38.5 in | 0.0 in | 38.5 in |
| Headroom, Row 3 | 38.9 in | 0.0 in | 38.9 in |
| Shoulder Room, Row 3 | 50.5 in | 0.0 in | 50.5 in |
| Legroom, Row 3 | 35.0 in | 0.0 in | 35 in |
| Total Legroom | 113.8 in (over 3 rows) | 42.2 in (over 1 rows) | 71.6 in |
| Cargo Volume, Minimum | 16.0 ft3 | 10.9 ft3 | 5.1 ft3 |
| Cargo Volume, Behind R2 | 49.4 ft3 | 10.9 | 38.5 ft3 |
| Cargo Volume, Maximum | 93.8 ft3 | 10.9 ft3 | 82.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2018 Mercedes-Benz GLS.
| 2011 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 |