| Model Year | 2022 | 2010 | |
| Model | Mercedes-Benz GLB | Audi A3 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Hatch | |
| Difference | |||
| Wheelbase | 111.4 in | 101.5 in | 9.9 in |
| Length | 182.4 in | 168.7 in | 13.7 in |
| Width | 72.2 in | 69.5 in | 2.7 in |
| Height | 65.3 in | 56.0 in | 9.3 in |
| Curb Weight | 3638 lb. | 3263 lb. | 375 lb. |
| Fuel Capacity | 15.9 gal. | 15.0 gal. | 0.9 gal. |
| Headroom, Row 1 | 40.7 in | 38.1 in | 2.6 in |
| Shoulder Room, Row 1 | 55.9 in | 54.3 in | 1.6 in |
| Legroom, Row 1 | 41.1 in | 41.2 in | -0.1 in |
| Headroom, Row 2 | 39.3 in | 36.9 in | 2.4 in |
| Shoulder Room, Row 2 | 54.9 in | 52.8 in | 2.1 in |
| Legroom, Row 2 | 38.1 in | 34.8 in | 3.3 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) | 76 in (over 2 rows) | 32.3 in |
| Cargo Volume, Minimum | 22.0 ft3 | 13.1 ft3 | 8.9 ft3 |
| Cargo Volume, Maximum | 62.0 ft3 | 54.6 ft3 | 7.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2022 Mercedes-Benz GLB.
| 2010 Audi A3 Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr Hatch turbocharged 200hp 2.0L I4 6-speed automated manual FWD |
A lot less leg room when compared to the GTI, but the rear hatch space is bigger. see full Audi A3 review |