| Model Year | 2021 | 2007 | |
| Model | Porsche Cayenne | Chevrolet Avalanche | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUT | |
| Difference | |||
| Wheelbase | 114.0 in | 130.0 in | -16 in |
| Length | 193.7 in | 221.3 in | -27.6 in |
| Width | 78.1 in | 79.1 in | -1 in |
| Height | 66.8 in | 76.6 in | -9.8 in |
| Curb Weight | 4582 lb. | 5742 lb. | -1160 lb. |
| Fuel Capacity | 23.7 gal. | 31.0 gal. | -7.3 gal. |
| Headroom, Row 1 | 0.0 in | 41.1 in | -41.1 in |
| Shoulder Room, Row 1 | 0.0 in | 65.3 in | -65.3 in |
| Hip Room, Row 1 | 0.0 in | 64.4 in | -64.4 in |
| Legroom, Row 1 | 0.0 in | 41.3 in | -41.3 in |
| Headroom, Row 2 | 0.0 in | 40.0 in | -40 in |
| Shoulder Room, Row 2 | 0.0 in | 65.2 in | -65.2 in |
| Hip Room, Row 2 | 0.0 in | 62.3 in | -62.3 in |
| Legroom, Row 2 | 0.0 in | 39.1 in | -39.1 in |
| Total Legroom | 0 in (over 1 rows) | 80.4 in (over 2 rows) | -80.4 in |
| Cargo Volume, Minimum | 27.2 ft3 | 45.5 ft3 | -18.3 ft3 |
| Cargo Volume, Maximum | 60.0 ft3 | 101.1 ft3 | -41.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2021 Porsche Cayenne.
| 2007 Chevrolet Avalanche Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr SUT 320-horsepower 5.3L V8 4-speed automatic RWD |
The interior is basically a Tahoe and even with 5 people, the truck is comfortable. Rear AC and headphone jacks help too. see full Chevrolet Avalanche review |
| 2007 | 4dr SUT 320-horsepower 5.3L V8 4-speed automatic 4WD w/low range |
Plenty of room for 3 adults, even with a tall adult in the middle seat. see full Chevrolet Avalanche review |