| Model Year | 2021 | 2011 | |
| Model | Mercedes-Benz GLS | Audi Q5 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 123.4 in | 110.5 in | 12.9 in |
| Length | 205.0 in | 182.2 in | 22.8 in |
| Width | 79.9 in | 74.0 in | 5.9 in |
| Height | 71.8 in | 65.1 in | 6.7 in |
| Curb Weight | 5467 lb. | 4090 lb. | 1377 lb. |
| Fuel Capacity | 23.8 gal. | 19.7 gal. | 4.1 gal. |
| Headroom, Row 1 | 39.4 in | 41.1 in | -1.7 in |
| Shoulder Room, Row 1 | 59.3 in | 57.7 in | 1.6 in |
| Legroom, Row 1 | 40.3 in | 41.0 in | -0.7 in |
| Headroom, Row 2 | 40.2 in | 39.0 in | 1.2 in |
| Shoulder Room, Row 2 | 58.5 in | 56.4 in | 2.1 in |
| Legroom, Row 2 | 41.9 in | 37.4 in | 4.5 in |
| Legroom, Row 3 | 34.6 in | 0.0 in | 34.6 in |
| Total Legroom | 116.8 in (over 3 rows) | 78.4 in (over 2 rows) | 38.4 in |
| Cargo Volume, Minimum | 17.4 ft3 | 19.1 ft3 | -1.7 ft3 |
| Cargo Volume, Behind R2 | 42.7 ft3 | 19.1 | 23.6 ft3 |
| Cargo Volume, Maximum | 84.7 ft3 | 55.1 ft3 | 29.6 ft3 |
None of our members have yet commented on the seat room and comfort of the 2021 Mercedes-Benz GLS.
None of our members have yet commented on the seat room and comfort of the 2011 Audi Q5.