2007 BMW 650 vs. 2003 Porsche Cayenne
To start off, 2007 BMW 650 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 4,799 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (363 HP @ 6300 RPM) has 117 more horse power than 2003 Porsche Cayenne. (246 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 650 should accelerate faster than 2003 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 520 kg more than 2007 BMW 650.
Because 2003 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 650. In wet, icy, snow, or gravel driving conditions, 2003 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 BMW 650 (490 Nm @ 3400 RPM) has 170 more torque (in Nm) than 2003 Porsche Cayenne. (320 Nm @ 2500 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Cayenne.
Compare all specifications:
| 2007 BMW 650 | 2003 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 650 | Cayenne |
| Year Released | 2007 | 2003 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 363 HP | 246 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 320 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 214 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 10 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1640 kg | 2160 kg |
| Vehicle Length | 4830 mm | 4790 mm |
| Vehicle Width | 1380 mm | 1930 mm |
| Vehicle Height | 1860 mm | 1710 mm |
| Wheelbase Size | 2790 mm | 2860 mm |
| Fuel Tank Capacity | 70 L | 92 L |
