| Model Year | 2020 | 2011 | |
| Model | Porsche Cayenne | Mercedes-Benz R-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 2,896 mm | 3,216 mm | -1 mm |
| Length | 4,920 mm | 5,156 mm | -1 mm |
| Width | 1,984 mm | 1,958 mm | 0 mm |
| Height | 1,697 mm | 1,661 mm | 0 mm |
| Curb Weight | 2,078 kg | 2,245 kg | 0 kg |
| Fuel Capacity | 90 L | 80 L | 10 L |
| Headroom, Row 1 | 0 mm | 1,011 mm | -1 mm |
| Shoulder Room, Row 1 | 0 mm | 1,532 mm | -1 mm |
| Legroom, Row 1 | 0 mm | 1,011 mm | -1 mm |
| Headroom, Row 2 | 0 mm | 1,026 mm | -1 mm |
| Shoulder Room, Row 2 | 0 mm | 1,514 mm | -1 mm |
| Legroom, Row 2 | 0 mm | 919 mm | -919 mm |
| Headroom, Row 3 | 0 mm | 945 mm | -945 mm |
| Shoulder Room, Row 3 | 0 mm | 1,341 mm | -1 mm |
| Legroom, Row 3 | 0 mm | 823 mm | -823 mm |
| Total Legroom | 0 mm (over 1 row) | 2,753 mm (over 3 rows) | -2 mm |
| Cargo Volume, Minimum | 770 L | 430 L | 340 L |
| Cargo Volume, Behind R2 | 27.2 | 1,195 L | 26.2 |
| Cargo Volume, Maximum | 1,699 L | 2,407 L | -1 L |
None of our members have yet commented on the seat room and comfort of the 2020 Porsche Cayenne.
None of our members have yet commented on the seat room and comfort of the 2011 Mercedes-Benz R-Class.