| Model Year | 2015 | 2014 | |
| Model | Porsche Cayman | Mercedes-Benz M-Class | |
| Engine | 3.4L H6 DOHC-4v 325 hp@7400 273 lb-ft@4500 |
turbocharged 5.5L V8 DOHC-4v 550 hp@5750 560 lb-ft@2000 |
|
| Transmission | 7-speed automated manual | 7-speed shiftable automatic | |
| Drivetrain | RWD | AWD | |
| Body | 2dr Hatch | 4dr SUV | |
| Difference | |||
| Wheelbase | 97.4 in | 114.8 in | -17.4 in |
| Length | 172.4 in | 189.1 in | -16.7 in |
| Width | 70.9 in | 75.2 in | -4.3 in |
| Height | 50.9 in | 70.7 in | -19.8 in |
| Curb Weight | 2976 lb. | 5238 lb. | -2262 lb. |
| Fuel Capacity | 16.9 gal. | 24.6 gal. | -7.7 gal. |
| Headroom, Row 1 | 0.0 in | 38.9 in | -38.9 in |
| Shoulder Room, Row 1 | 0.0 in | 58.5 in | -58.5 in |
| Legroom, Row 1 | 0.0 in | 40.3 in | -40.3 in |
| Headroom, Row 2 | 0.0 in | 38.5 in | -38.5 in |
| Shoulder Room, Row 2 | 0.0 in | 58.4 in | -58.4 in |
| Legroom, Row 2 | 0.0 in | 38.4 in | -38.4 in |
| Total Legroom | 0 in (over 1 rows) | 78.7 in (over 2 rows) | -78.7 in |
| Cargo Volume, Minimum | 15.0 ft3 | 36.2 ft3 | -21.2 ft3 |
| Cargo Volume, Maximum | 15.0 ft3 | 71.0 ft3 | -56 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 Porsche Cayman.
| 2014 Mercedes-Benz M-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2013 | 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD |
No more back or leg pain on long trips. see full Mercedes-Benz M-Class review |