2008 BMW Z4 vs. 2006 Porsche Cayenne
To start off, 2008 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2006 Porsche Cayenne would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 91 more horse power than 2006 Porsche Cayenne. (247 HP @ 6000 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2006 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2006 Porsche Cayenne weights approximately 665 kg more than 2008 BMW Z4.
Because 2006 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2006 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 Z4 (365 Nm @ 4900 RPM) has 54 more torque (in Nm) than 2006 Porsche Cayenne. (311 Nm @ 2500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche Cayenne.
Compare all specifications:
| 2008 BMW Z4 | 2006 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | Z4 | Cayenne |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 3196 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 247 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 365 Nm | 311 Nm |
| Torque RPM | 4900 RPM | 2500 RPM |
| Engine Compression Ratio | 11.5:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 209 km/hour |
| Acceleration 0-100mph | 5 seconds | 9.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1495 kg | 2160 kg |
| Vehicle Length | 4870 mm | 4790 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1710 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
| Fuel Consumption Overall | 12.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 100 L |
