| Model Year | 2023 | 2012 | |
| Model | Mercedes-Benz GLS | Porsche Cayenne | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 123.4 in | 114.0 in | 9.4 in |
| Length | 205.0 in | 190.8 in | 14.2 in |
| Width | 79.9 in | 76.3 in | 3.6 in |
| Height | 71.8 in | 67.4 in | 4.4 in |
| Curb Weight | 5467 lb. | 4398 lb. | 1069 lb. |
| Fuel Capacity | 23.8 gal. | 22.4 gal. | 1.4 gal. |
| Headroom, Row 1 | 39.4 in | 0.0 in | 39.4 in |
| Shoulder Room, Row 1 | 59.3 in | 0.0 in | 59.3 in |
| Legroom, Row 1 | 40.3 in | 0.0 in | 40.3 in |
| Headroom, Row 2 | 40.2 in | 0.0 in | 40.2 in |
| Shoulder Room, Row 2 | 58.5 in | 0.0 in | 58.5 in |
| Legroom, Row 2 | 41.9 in | 0.0 in | 41.9 in |
| Legroom, Row 3 | 34.6 in | 0.0 in | 34.6 in |
| Total Legroom | 116.8 in (over 3 rows) | 0 in (over 1 rows) | 116.8 in |
| Cargo Volume, Minimum | 17.4 ft3 | 23.7 ft3 | -6.3 ft3 |
| Cargo Volume, Behind R2 | 42.7 ft3 | 23.7 | 19 ft3 |
| Cargo Volume, Maximum | 84.7 ft3 | 62.9 ft3 | 21.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz GLS.
| 2012 Porsche Cayenne Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2013 | 4dr SUV turbocharged 240hp 3.0L V6 Diesel 8-speed shiftable automatic AWD |
The 14 way memory seats with a/c fit the bill with 2 drivers of varying heights and my need to keep cool duirng 3 years of treatment for a life threatening disease see full Porsche Cayenne review |