2007 BMW M6 vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW M6. In addition, the cost of maintenance, including insurance, on 2007 BMW M6 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 209 more horse power than 2009 Porsche Cayman. (291 HP @ 6250 RPM). In normal driving conditions, 2007 BMW M6 should accelerate faster than 2009 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M6 weights approximately 515 kg more than 2009 Porsche Cayman. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 BMW M6 (519 Nm @ 6100 RPM) has 179 more torque (in Nm) than 2009 Porsche Cayman. (340 Nm @ 4400 RPM). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Cayman.
Compare all specifications:
| 2007 BMW M6 | 2009 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | M6 | Cayman |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4999 cc | 3385 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 291 HP |
| Engine RPM | 7750 RPM | 6250 RPM |
| Torque | 519 Nm | 340 Nm |
| Torque RPM | 6100 RPM | 4400 RPM |
| Engine Bore Size | 92 mm | 96.3 mm |
| Engine Stroke Size | 75.2 mm | 78.3 mm |
| Engine Compression Ratio | 12.0:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 249 km/hour | 275 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1425 kg |
| Vehicle Length | 4880 mm | 4350 mm |
| Vehicle Width | 1860 mm | 1310 mm |
| Vehicle Height | 1380 mm | 1810 mm |
| Wheelbase Size | 2790 mm | 2420 mm |
| Fuel Consumption Overall | 17 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
