| Model Year | 2007 | 2012 | |
| Model | Porsche Cayman | Mercedes-Benz SL | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Hatch | 2dr Hardtop conv. | |
| Difference | |||
| Wheelbase | 95.1 in | 100.8 in | -5.7 in |
| Length | 170.9 in | 180.4 in | -9.5 in |
| Width | 70.9 in | 71.5 in | -0.6 in |
| Height | 51.4 in | 51.1 in | 0.3 in |
| Curb Weight | 2965 lb. | 4220 lb. | -1255 lb. |
| Fuel Capacity | 17.0 gal. | 21.1 gal. | -4.1 gal. |
| Headroom, Row 1 | 0.0 in | 37.7 in | -37.7 in |
| Shoulder Room, Row 1 | 0.0 in | 54.0 in | -54 in |
| Hip Room, Row 1 | 0.0 in | 53.9 in | -53.9 in |
| Legroom, Row 1 | 0.0 in | 42.9 in | -42.9 in |
| Total Legroom | 0 in (over 1 rows) | 42.9 in (over 1 rows) | -42.9 in |
| Cargo Volume, Minimum | 14.5 ft3 | 7.2 ft3 | 7.3 ft3 |
| Cargo Volume, Maximum | 14.5 ft3 | 10.2 ft3 | 4.3 ft3 |
| 2007 Porsche Cayman Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2006 | 2dr Hatch 295-horsepower 3.4L H6 6-speed manual RWD |
:) There is none. see full Porsche Cayman review |
None of our members have yet commented on the seat room and comfort of the 2012 Mercedes-Benz SL.