2003 BMW M3 vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 4,511 cc (8 cylinders), 2008 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (350 HP @ 6000 RPM) has 8 more horse power than 2003 BMW M3. (342 HP @ 7900 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 2003 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 935 kg more than 2003 BMW M3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW M3. In wet, icy, snow, or gravel driving conditions, 2008 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 Porsche Cayenne (420 Nm @ 2500 RPM) has 70 more torque (in Nm) than 2003 BMW M3. (350 Nm @ 4900 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3.
Compare all specifications:
| 2003 BMW M3 | 2008 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | M3 | Cayenne |
| Year Released | 2003 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 4511 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 350 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 350 Nm | 420 Nm |
| Torque RPM | 4900 RPM | 2500 RPM |
| Engine Bore Size | 87 mm | 93 mm |
| Engine Stroke Size | 91 mm | 83 mm |
| Engine Compression Ratio | 11.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 259 km/hour | 242 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 6.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1385 kg | 2320 kg |
| Vehicle Length | 4500 mm | 4790 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1370 mm | 1710 mm |
| Wheelbase Size | 2730 mm | 2860 mm |
| Fuel Consumption Overall | 11.4 L/100km | 16 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
