| Model Year | 2020 | 2006 | |
| Model | Mercedes-Benz GLA | Porsche Cayenne | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 106.3 in | 112.4 in | -6.1 in |
| Length | 173.9 in | 188.2 in | -14.3 in |
| Width | 71.0 in | 75.9 in | -4.9 in |
| Height | 60.0 in | 66.9 in | -6.9 in |
| Curb Weight | 3296 lb. | 4784 lb. | -1488 lb. |
| Fuel Capacity | 14.8 gal. | 26.4 gal. | -11.6 gal. |
| Headroom, Row 1 | 40.0 in | 39.7 in | 0.3 in |
| Shoulder Room, Row 1 | 54.8 in | 58.5 in | -3.7 in |
| Hip Room, Row 1 | 0.0 in | 57.4 in | -57.4 in |
| Legroom, Row 1 | 41.9 in | 40.6 in | 1.3 in |
| Headroom, Row 2 | 38.4 in | 38.9 in | -0.5 in |
| Shoulder Room, Row 2 | 53.1 in | 56.7 in | -3.6 in |
| Hip Room, Row 2 | 0.0 in | 53.3 in | -53.3 in |
| Legroom, Row 2 | 33.9 in | 36.0 in | -2.1 in |
| Total Legroom | 75.8 in (over 2 rows) | 76.6 in (over 2 rows) | -0.8 in |
| Cargo Volume, Minimum | 17.2 ft3 | 19.1 ft3 | -1.9 ft3 |
| Cargo Volume, Maximum | 43.6 ft3 | 62.5 ft3 | -18.9 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 2006 Porsche Cayenne.