2008 BMW 650 vs. 2005 Porsche Cayenne
To start off, 2008 BMW 650 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2005 Porsche Cayenne would be higher. At 4,799 cc (8 cylinders), 2008 BMW 650 is equipped with a bigger engine. In terms of performance, 2008 BMW 650 (360 HP @ 6300 RPM) has 113 more horse power than 2005 Porsche Cayenne. (247 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 650 should accelerate faster than 2005 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche Cayenne weights approximately 520 kg more than 2008 BMW 650.
Because 2005 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 650. In wet, icy, snow, or gravel driving conditions, 2005 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 BMW 650 (488 Nm) has 177 more torque (in Nm) than 2005 Porsche Cayenne. (311 Nm). This means 2008 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Cayenne.
Compare all specifications:
| 2008 BMW 650 | 2005 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 650 | Cayenne |
| Year Released | 2008 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 3195 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 247 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 488 Nm | 311 Nm |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1640 kg | 2160 kg |
| Vehicle Length | 5050 mm | 4790 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1480 mm | 1710 mm |
| Wheelbase Size | 2790 mm | 2860 mm |
| Fuel Consumption | 10.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
