2008 BMW 550 vs. 2003 Porsche Cayenne
To start off, 2008 BMW 550 is newer by 5 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, 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 25 more horse power than 2003 Porsche Cayenne. (335 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 550 should accelerate faster than 2003 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 662 kg more than 2008 BMW 550.
Because 2003 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 550. 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, 2008 BMW 550 (490 Nm @ 3400 RPM) has 70 more torque (in Nm) than 2003 Porsche Cayenne. (420 Nm @ 2500 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Cayenne. 2008 BMW 550 has automatic transmission and 2003 Porsche Cayenne has manual transmission. 2003 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 550 | 2003 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | 550 | Cayenne |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4511 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 335 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 420 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 88.3 mm | 83 mm |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.9 seconds | 6.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1660 kg | 2322 kg |
| Vehicle Length | 4870 mm | 4790 mm |
| Vehicle Height | 1470 mm | 1710 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption Overall | 11.1 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
