Technical specifications
| Clear list | Mercedes C Sportcoupe | Porsche Cayman |
| Totals | Mercedes C Sportcoupe 3.5 V6 (C350) × | Porsche Cayman 2.7 × |
| Mark | Mercedes | Porsche |
| Model | C Sportcoupe 3.5 V6 (C350) | Cayman 2.7 |
| Year | 2003 | 2012 |
| Number of doors/seats | 3/4 | 3/2+2 |
| Body type | Coupe | Coupe |
| Unladen Weight | 1465 | 1330 (1360) |
| Gross Weight Limit | 2010 | 1655 (1685) |
| Top Speed, km/h | 250 | 266 (264) |
| Acceleration 0-100 kph | 6.2 | 5.7 (5.6) |
| Minimum turning radius, m | 5.4 | - |
| Cargo Volume, min/max, L | 310/1100 | 150+275 |
| Dimensions specifications, mm | Mercedes C Sportcoupe 3.5 V6 (C350) × | Porsche Cayman 2.7 × |
| Length | 4345 | 4380 |
| Width | 1730 | 1801 |
| Height | 1405 | 1294 |
| Wheelbase | 2715 | 2475 |
| Front/rear Track | 1505/1475 | 1526/1536 |
| Ground clearance | 150 | - |
| Engine specifications | Mercedes C Sportcoupe 3.5 V6 (C350) × | Porsche Cayman 2.7 × |
| Type | petrol Injection | Gasoline Direct Injection |
| Displacement, cm3 | 3498 | 2706 |
| Compression ratio | 10.7 | 12.5 |
| Number and arrangement of cylinders | V6 | 6 cylinders, boxer |
| The diameter of the cylinder x stroke, mm | 92.9х86 | 89х72.5 |
| Number of valves | 24 | 24 |
| Power, hp/rpm | 272/6000 | 275/7400 |
| Max torque, Nm/RPM | 350/2400 | 290/4500-6500 |
| Transmission specifications | Mercedes C Sportcoupe 3.5 V6 (C350) × | Porsche Cayman 2.7 × |
| Gearbox | 6-speed manual / 7-speed automatic | 6-speed manual / 7-speed automatic PDK |
| Drive Type | Rear wheel drive (dynamic stabilization ESP) | Rear wheel drive |
| Suspension specifications | Mercedes C Sportcoupe 3.5 V6 (C350) × | Porsche Cayman 2.7 × |
| Front | несущий кузов с подрамниками, амортиз. стойки и поперечн. рычаги, тяги, стабилизатор поперечн. устойчивости, винтоые пружины, телескоп. амортиз. | MacPherson strut |
| Rear | несущий кузов с подрамниками, задний мост с подвеской колес на рычагах, ориентиров. в разных плоскостяях (продол. и диаг. рычаги, толкающая штанга), стабилизатор поперечн. устойчивости, винтоые пружины, телескоп. амортиз. | MacPherson strut |
| Tire Size | 225/45/17 | 235/45 R18, 265/45 R18 |
| Disk | 5x112 ET46 d66,6
| 5x130 ET50 d71.5
|
| Brakes specifications | Mercedes C Sportcoupe 3.5 V6 (C350) × | Porsche Cayman 2.7 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Ventilated discs |
| Fuel consumption specifications, L/100 km | Mercedes C Sportcoupe 3.5 V6 (C350) × | Porsche Cayman 2.7 × |
| City | 13.7 | 11.8 (10.9) |
| Highway | 7 | 6.4 (6.2) |
| Combined | 9.5 | 8.4 (7.9) |
| Fuel | 95 | 98 |
| Tank, L | 62 | 64 |
| Clear list | Mercedes C Sportcoupe | Porsche Cayman |
