| Model Year | 2012 | 2012 | |
| Model | Mercedes-Benz SL | BMW Z4 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Hardtop conv. | 2dr Hardtop conv. | |
| Difference | |||
| Wheelbase | 100.8 in | 98.3 in | 2.5 in |
| Length | 180.4 in | 166.9 in | 13.5 in |
| Width | 71.5 in | 70.5 in | 1 in |
| Height | 51.1 in | 50.8 in | 0.3 in |
| Curb Weight | 4220 lb. | 3263 lb. | 957 lb. |
| Fuel Capacity | 21.1 gal. | 14.5 gal. | 6.6 gal. |
| Headroom, Row 1 | 37.7 in | 39.1 in | -1.4 in |
| Shoulder Room, Row 1 | 54.0 in | 53.3 in | 0.7 in |
| Hip Room, Row 1 | 53.9 in | 0.0 in | 53.9 in |
| Legroom, Row 1 | 42.9 in | 42.2 in | 0.7 in |
| Total Legroom | 42.9 in (over 1 rows) | 42.2 in (over 1 rows) | 0.7 in |
| Cargo Volume, Minimum | 7.2 ft3 | 10.9 ft3 | -3.7 ft3 |
| Cargo Volume, Maximum | 10.2 ft3 | 10.9 ft3 | -0.7 ft3 |
None of our members have yet commented on the seat room and comfort of the 2012 Mercedes-Benz SL.
| 2012 BMW Z4 Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2011 | 2dr Hardtop conv. 255-horsepower 3.0L I6 6-speed shiftable automatic RWD |
What rear seat? see full BMW Z4 review |