| Model Year | 2020 | 2009 | |
| Model | Porsche 718 Spyder | Chevrolet Avalanche | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Convertible | 4dr SUT | |
| Difference | |||
| Wheelbase | 97.8 in | 130.0 in | -32.2 in |
| Length | 174.5 in | 221.3 in | -46.8 in |
| Width | 71.0 in | 79.1 in | -8.1 in |
| Height | 49.6 in | 76.6 in | -27 in |
| Curb Weight | 3206 lb. | 5742 lb. | -2536 lb. |
| Fuel Capacity | 16.9 gal. | 31.0 gal. | -14.1 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 | 9.4 ft3 | 45.5 ft3 | -36.1 ft3 |
| Cargo Volume, Maximum | 9.4 ft3 | 101.1 ft3 | -91.7 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Porsche 718 Spyder.
None of our members have yet commented on the seat room and comfort of the 2009 Chevrolet Avalanche.