| Model Year | 2023 | 2024 | |
| Model | Mercedes-Benz GLB | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 111.4 in | 123.1 in | -11.7 in |
| Length | 182.4 in | 209.5 in | -27.1 in |
| Width | 72.2 in | 76.6 in | -4.4 in |
| Height | 65.3 in | 58.3 in | 7 in |
| Curb Weight | 3638 lb. | 4762 lb. | -1124 lb. |
| Fuel Capacity | 15.9 gal. | 21.7 gal. | -5.8 gal. |
| Headroom, Row 1 | 40.7 in | 38.3 in | 2.4 in |
| Shoulder Room, Row 1 | 55.9 in | 59.1 in | -3.2 in |
| Legroom, Row 1 | 41.1 in | 41.5 in | -0.4 in |
| Headroom, Row 2 | 39.3 in | 38.5 in | 0.8 in |
| Shoulder Room, Row 2 | 54.9 in | 57.6 in | -2.7 in |
| Legroom, Row 2 | 38.1 in | 44.3 in | -6.2 in |
| Headroom, Row 3 | 34.8 in | 0.0 in | 34.8 in |
| Shoulder Room, Row 3 | 43.8 in | 0.0 in | 43.8 in |
| Legroom, Row 3 | 29.1 in | 0.0 in | 29.1 in |
| Total Legroom | 108.3 in (over 3 rows) | 85.8 in (over 2 rows) | 22.5 in |
| Cargo Volume, Minimum | 22.0 ft3 | 12.5 ft3 | 9.5 ft3 |
| Cargo Volume, Maximum | 62.0 ft3 | 12.5 ft3 | 49.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz GLB.
None of our members have yet commented on the seat room and comfort of the 2024 Audi A8 / S8.