| Model Year | 2009 | 2014 | |
| Model | Porsche Boxster | Chevrolet Impala | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Convertible | 4dr Sedan | |
| Difference | |||
| Wheelbase | 95.1 in | 111.7 in | -16.6 in |
| Length | 172.1 in | 201.3 in | -29.2 in |
| Width | 70.9 in | 73.0 in | -2.1 in |
| Height | 50.9 in | 58.9 in | -8 in |
| Curb Weight | 2943 lb. | 3672 lb. | -729 lb. |
| Fuel Capacity | 16.9 gal. | 18.5 gal. | -1.6 gal. |
| Headroom, Row 1 | 38.4 in | 39.9 in | -1.5 in |
| Shoulder Room, Row 1 | 51.7 in | 57.9 in | -6.2 in |
| Hip Room, Row 1 | 53.4 in | 54.9 in | -1.5 in |
| Legroom, Row 1 | 41.6 in | 41.9 in | -0.3 in |
| Headroom, Row 2 | 0.0 in | 37.4 in | -37.4 in |
| Shoulder Room, Row 2 | 0.0 in | 56.9 in | -56.9 in |
| Hip Room, Row 2 | 0.0 in | 54.1 in | -54.1 in |
| Legroom, Row 2 | 0.0 in | 39.8 in | -39.8 in |
| Total Legroom | 41.6 in (over 1 rows) | 81.7 in (over 2 rows) | -40.1 in |
| Cargo Volume | 9.9 ft3 | 18.8 ft3 | -8.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2009 Porsche Boxster.
None of our members have yet commented on the seat room and comfort of the 2014 Chevrolet Impala.