2005 BMW M3 vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW M3. In addition, the cost of maintenance, including insurance, on 2005 BMW M3 would be higher. At 3,598 cc (6 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2005 BMW M3 (320 HP @ 7400 RPM) has 33 more horse power than 2007 Porsche Cayenne. (287 HP @ 6200 RPM). In normal driving conditions, 2005 BMW M3 should accelerate faster than 2007 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 470 kg more than 2005 BMW M3.
Because 2007 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW M3. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Porsche Cayenne (385 Nm) has 48 more torque (in Nm) than 2005 BMW M3. (337 Nm). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M3.
Compare all specifications:
| 2005 BMW M3 | 2007 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | M3 | Cayenne |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3244 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 287 HP |
| Engine RPM | 7400 RPM | 6200 RPM |
| Torque | 337 Nm | 385 Nm |
| Engine Bore Size | 87 mm | 89 mm |
| Engine Stroke Size | 91 mm | 96.4 mm |
| Engine Compression Ratio | 11.5:1 | 12.3:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 2160 kg |
| Vehicle Length | 4500 mm | 4430 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1380 mm | 1710 mm |
| Wheelbase Size | 2740 mm | 2860 mm |
| Fuel Consumption Overall | 13.1 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
