| Model Year | 2017 | 2023 | |
| Model | Mercedes-Benz GLS | Audi Q7 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 121.1 in | 117.9 in | 3.2 in |
| Length | 202.0 in | 199.3 in | 2.7 in |
| Width | 76.1 in | 77.6 in | -1.5 in |
| Height | 72.8 in | 68.5 in | 4.3 in |
| Curb Weight | 5400 lb. | 4817 lb. | 583 lb. |
| Fuel Capacity | 26.4 gal. | 22.5 gal. | 3.9 gal. |
| Headroom, Row 1 | 41.2 in | 39.9 in | 1.3 in |
| Shoulder Room, Row 1 | 58.5 in | 59.5 in | -1 in |
| Legroom, Row 1 | 40.3 in | 41.7 in | -1.4 in |
| Headroom, Row 2 | 40.0 in | 38.8 in | 1.2 in |
| Shoulder Room, Row 2 | 58.3 in | 58.5 in | -0.2 in |
| Legroom, Row 2 | 38.5 in | 38.8 in | -0.3 in |
| Headroom, Row 3 | 38.9 in | 35.9 in | 3 in |
| Shoulder Room, Row 3 | 50.5 in | 49.4 in | 1.1 in |
| Legroom, Row 3 | 35.0 in | 29.2 in | 5.8 in |
| Total Legroom | 113.8 in (over 3 rows) | 109.7 in (over 3 rows) | 4.1 in |
| Cargo Volume, Minimum | 16.0 ft3 | 14.8 ft3 | 1.2 ft3 |
| Cargo Volume, Behind R2 | 49.4 ft3 | 37.5 ft3 | 11.9 ft3 |
| Cargo Volume, Maximum | 93.8 ft3 | 71.6 ft3 | 22.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2017 Mercedes-Benz GLS.
None of our members have yet commented on the seat room and comfort of the 2023 Audi Q7.