| Model Year | 2023 | 2015 | |
| Model | Mercedes-Benz GLB | Porsche 911 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 2dr Coupe | |
| Difference | |||
| Wheelbase | 111.4 in | 96.5 in | 14.9 in |
| Length | 182.4 in | 176.8 in | 5.6 in |
| Width | 72.2 in | 71.2 in | 1 in |
| Height | 65.3 in | 51.3 in | 14 in |
| Curb Weight | 3638 lb. | 3042 lb. | 596 lb. |
| Fuel Capacity | 15.9 gal. | 16.9 gal. | -1 gal. |
| Headroom, Row 1 | 40.7 in | 0.0 in | 40.7 in |
| Shoulder Room, Row 1 | 55.9 in | 0.0 in | 55.9 in |
| Legroom, Row 1 | 41.1 in | 0.0 in | 41.1 in |
| Headroom, Row 2 | 39.3 in | 0.0 in | 39.3 in |
| Shoulder Room, Row 2 | 54.9 in | 0.0 in | 54.9 in |
| Legroom, Row 2 | 38.1 in | 0.0 in | 38.1 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) | 0 in (over 1 rows) | 108.3 in |
| Cargo Volume, Minimum | 22.0 ft3 | 4.8 ft3 | 17.2 ft3 |
| Cargo Volume, Maximum | 62.0 ft3 | 4.8 ft3 | 57.2 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 2015 Porsche 911.