2007 BMW M5 vs. 2006 Porsche Cayman
To start off, 2007 BMW M5 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Porsche Cayman. In addition, the cost of maintenance, including insurance, on 2006 Porsche Cayman would be higher. At 4,998 cc (10 cylinders), 2007 BMW M5 is equipped with a bigger engine. In terms of performance, 2007 BMW M5 (500 HP @ 7750 RPM) has 258 more horse power than 2006 Porsche Cayman. (242 HP @ 6500 RPM). In normal driving conditions, 2007 BMW M5 should accelerate faster than 2006 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M5 weights approximately 530 kg more than 2006 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 M5 (520 Nm @ 6100 RPM) has 247 more torque (in Nm) than 2006 Porsche Cayman. (273 Nm @ 4600 RPM). This means 2007 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche Cayman.
Compare all specifications:
| 2007 BMW M5 | 2006 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | M5 | Cayman |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4998 cc | 2686 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 242 HP |
| Engine RPM | 7750 RPM | 6500 RPM |
| Torque | 520 Nm | 273 Nm |
| Torque RPM | 6100 RPM | 4600 RPM |
| Engine Bore Size | 92 mm | 85.5 mm |
| Engine Stroke Size | 75.2 mm | 78 mm |
| Engine Compression Ratio | 12.0:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 258 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1300 kg |
| Vehicle Length | 4860 mm | 4350 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1480 mm | 1310 mm |
| Wheelbase Size | 2900 mm | 2420 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
