| Model Year | 2024 | 2021 | |
| Model | Mercedes-Benz GLA | Porsche 718 Spyder | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 2dr Convertible | |
| Difference | |||
| Wheelbase | 107.4 in | 97.8 in | 9.6 in |
| Length | 173.6 in | 174.5 in | -0.9 in |
| Width | 72.2 in | 71.0 in | 1.2 in |
| Height | 63.5 in | 49.6 in | 13.9 in |
| Curb Weight | 3384 lb. | 3205 lb. | 179 lb. |
| Fuel Capacity | 12.7 gal. | 16.9 gal. | -4.2 gal. |
| Headroom, Row 1 | 39.0 in | 0.0 in | 39 in |
| Shoulder Room, Row 1 | 55.9 in | 0.0 in | 55.9 in |
| Hip Room, Row 1 | 57.3 in | 0.0 in | 57.3 in |
| Legroom, Row 1 | 41.0 in | 0.0 in | 41 in |
| Headroom, Row 2 | 38.1 in | 0.0 in | 38.1 in |
| Shoulder Room, Row 2 | 54.8 in | 0.0 in | 54.8 in |
| Hip Room, Row 2 | 57.3 in | 0.0 in | 57.3 in |
| Legroom, Row 2 | 38.0 in | 0.0 in | 38 in |
| Total Legroom | 79 in (over 2 rows) | 0 in (over 1 rows) | 79 in |
| Cargo Volume, Minimum | 15.4 ft3 | 9.4 ft3 | 6 ft3 |
| Cargo Volume, Maximum | 50.5 ft3 | 9.4 ft3 | 41.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2024 Mercedes-Benz GLA.
None of our members have yet commented on the seat room and comfort of the 2021 Porsche 718 Spyder.