2005 BMW X3 vs. 2003 Porsche Cayenne
To start off, 2005 BMW X3 is newer by 2 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 4,511 cc (8 cylinders), 2003 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2003 Porsche Cayenne (444 HP @ 6000 RPM) has 260 more horse power than 2005 BMW X3. (184 HP @ 4000 RPM) In normal driving conditions, 2003 Porsche Cayenne should accelerate faster than 2005 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 505 kg more than 2005 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Porsche Cayenne (620 Nm @ 2250 RPM) has 200 more torque (in Nm) than 2005 BMW X3. (420 Nm @ 1500 RPM). This means 2003 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X3.
Compare all specifications:
| 2005 BMW X3 | 2003 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | X3 | Cayenne |
| Year Released | 2005 | 2003 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 4511 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 444 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 420 Nm | 620 Nm |
| Torque RPM | 1500 RPM | 2250 RPM |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 266 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5.6 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1925 kg | 2430 kg |
| Vehicle Length | 4570 mm | 4790 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1680 mm | 1710 mm |
| Wheelbase Size | 2830 mm | 2860 mm |
| Fuel Consumption Overall | 8.4 L/100km | 15.6 L/100km |
| Fuel Tank Capacity | 67 L | 100 L |
