2003 BMW 645 vs. 2010 Porsche Cayenne
To start off, 2010 Porsche Cayenne is newer by 7 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 35 more horse power than 2010 Porsche Cayenne. (290 HP @ 6200 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2010 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche Cayenne weights approximately 470 kg more than 2003 BMW 645.
Because 2010 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2010 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 80 more torque (in Nm) than 2010 Porsche Cayenne. (370 Nm @ 3000 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2010 Porsche Cayenne.
Compare all specifications:
| 2003 BMW 645 | 2010 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 645 | Cayenne |
| Year Released | 2003 | 2010 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 290 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 450 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 2160 kg |
| Vehicle Length | 4830 mm | 4798 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1380 mm | 1699 mm |
| Wheelbase Size | 2890 mm | 2855 mm |
| Fuel Consumption | 8.6 L/100km | 11.8 L/100km |
| Fuel Consumption City | 17.2 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
