| Model Year | 2018 | 2023 | |
| Model | Mercedes-Benz GLS | BMW X4 | |
| Engine | turbocharged 5.5L V8 DOHC-4v 577 hp@5500 561 lb-ft@1750 |
turbocharged 3.0L I6 DOHC-4v 473 hp@6250 457 lb-ft@2750 |
|
| Transmission | 7-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 121.1 in | 112.8 in | 8.3 in |
| Length | 202.0 in | 187.6 in | 14.4 in |
| Width | 76.1 in | 75.5 in | 0.6 in |
| Height | 72.8 in | 63.8 in | 9 in |
| Curb Weight | 5754 lb. | 4597 lb. | 1157 lb. |
| Fuel Capacity | 26.4 gal. | 17.2 gal. | 9.2 gal. |
| Headroom, Row 1 | 41.2 in | 40.3 in | 0.9 in |
| Shoulder Room, Row 1 | 58.5 in | 57.5 in | 1 in |
| Legroom, Row 1 | 40.3 in | 40.7 in | -0.4 in |
| Headroom, Row 2 | 40.0 in | 37.5 in | 2.5 in |
| Shoulder Room, Row 2 | 58.3 in | 56.0 in | 2.3 in |
| Legroom, Row 2 | 38.5 in | 35.5 in | 3 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) | 76.2 in (over 2 rows) | 37.6 in |
| Cargo Volume, Minimum | 16.0 ft3 | 18.5 ft3 | -2.5 ft3 |
| Cargo Volume, Behind R2 | 49.4 ft3 | 18.5 | 30.9 ft3 |
| Cargo Volume, Maximum | 93.8 ft3 | 50.5 ft3 | 43.3 ft3 |
None of our members have yet commented on the seat room and comfort of the 2018 Mercedes-Benz GLS.
None of our members have yet commented on the seat room and comfort of the 2023 BMW X4.