2006 BMW M3 vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW M3. In addition, the cost of maintenance, including insurance, on 2006 BMW M3 would be higher. At 4,800 cc (8 cylinders), 2008 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (405 HP @ 6500 RPM) has 72 more horse power than 2006 BMW M3. (333 HP @ 7900 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 2006 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 655 kg more than 2006 BMW M3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW M3. In wet, icy, snow, or gravel driving conditions, 2008 Porsche Cayenne will offer significantly more control. 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, 2008 Porsche Cayenne (678 Nm @ 3500 RPM) has 323 more torque (in Nm) than 2006 BMW M3. (355 Nm @ 4900 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW M3.
Compare all specifications:
| 2006 BMW M3 | 2008 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | M3 | Cayenne |
| Year Released | 2006 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 333 HP | 405 HP |
| Engine RPM | 7900 RPM | 6500 RPM |
| Torque | 355 Nm | 678 Nm |
| Torque RPM | 4900 RPM | 3500 RPM |
| Engine Bore Size | 87 mm | 96 mm |
| Engine Stroke Size | 91 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 249 km/hour | 253 km/hour |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1570 kg | 2225 kg |
| Vehicle Length | 4500 mm | 4790 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1380 mm | 1710 mm |
| Wheelbase Size | 2740 mm | 2860 mm |
| Fuel Consumption Overall | 12.5 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
