| Model Year | 2020 | 2011 | |
| Model | Mercedes-Benz GLA | Porsche 911 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 2dr Coupe | |
| Difference | |||
| Wheelbase | 106.3 in | 92.5 in | 13.8 in |
| Length | 173.9 in | 175.6 in | -1.7 in |
| Width | 71.0 in | 71.2 in | -0.2 in |
| Height | 60.0 in | 51.6 in | 8.4 in |
| Curb Weight | 3296 lb. | 3075 lb. | 221 lb. |
| Fuel Capacity | 14.8 gal. | 16.9 gal. | -2.1 gal. |
| Headroom, Row 1 | 40.0 in | 38.0 in | 2 in |
| Shoulder Room, Row 1 | 54.8 in | 51.7 in | 3.1 in |
| Hip Room, Row 1 | 0.0 in | 53.4 in | -53.4 in |
| Legroom, Row 1 | 41.9 in | 41.6 in | 0.3 in |
| Headroom, Row 2 | 38.4 in | 31.5 in | 6.9 in |
| Shoulder Room, Row 2 | 53.1 in | 0.0 in | 53.1 in |
| Legroom, Row 2 | 33.9 in | 0.0 in | 33.9 in |
| Total Legroom | 75.8 in (over 2 rows) | 41.6 in (over 1 rows) | 34.2 in |
| Cargo Volume, Minimum | 17.2 ft3 | 4.4 ft3 | 12.8 ft3 |
| Cargo Volume, Maximum | 43.6 ft3 | 4.4 ft3 | 39.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Mercedes-Benz GLA.
None of our members have yet commented on the seat room and comfort of the 2011 Porsche 911.