| Model Year | 2023 | 2015 | |
| Model | Mercedes-Benz GLC | Porsche Cayenne | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 113.1 in | 114.0 in | -0.9 in |
| Length | 185.7 in | 191.1 in | -5.4 in |
| Width | 74.4 in | 78.7 in | -4.3 in |
| Height | 64.6 in | 67.4 in | -2.8 in |
| Curb Weight | 4167 lb. | 4488 lb. | -321 lb. |
| Fuel Capacity | 17.4 gal. | 22.4 gal. | -5 gal. |
| Headroom, Row 1 | 40.7 in | 0.0 in | 40.7 in |
| Shoulder Room, Row 1 | 57.3 in | 0.0 in | 57.3 in |
| Legroom, Row 1 | 40.7 in | 0.0 in | 40.7 in |
| Headroom, Row 2 | 39.7 in | 0.0 in | 39.7 in |
| Shoulder Room, Row 2 | 56.6 in | 0.0 in | 56.6 in |
| Legroom, Row 2 | 37.4 in | 0.0 in | 37.4 in |
| Total Legroom | 78.1 in (over 2 rows) | 0 in (over 1 rows) | 78.1 in |
| Cargo Volume, Minimum | 21.9 ft3 | 23.7 ft3 | -1.8 ft3 |
| Cargo Volume, Maximum | 56.3 ft3 | 62.9 ft3 | -6.6 ft3 |
None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz GLC.
None of our members have yet commented on the seat room and comfort of the 2015 Porsche Cayenne.