2008 BMW Z4 vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW Z4. In addition, the cost of maintenance, including insurance, on 2008 BMW Z4 would be higher. At 3,189 cc (6 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (247 HP @ 6000 RPM) has 99 more horse power than 2008 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2008 BMW Z4.
Because 2009 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, 2009 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, 2009 Porsche Cayenne (310 Nm @ 5500 RPM) has 110 more torque (in Nm) than 2008 BMW Z4. (200 Nm @ 3600 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2009 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | Z4 | Cayenne |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3189 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 247 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 200 Nm | 310 Nm |
| Torque RPM | 3600 RPM | 5500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 215 km/hour | 214 km/hour |
| Acceleration 0-100mph | 8.2 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 Length | 4100 mm | 4790 mm |
| Vehicle Width | 1310 mm | 1710 mm |
| Vehicle Height | 1790 mm | 1930 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
| Fuel Consumption Overall | 7.5 L/100km | 17.9 L/100km |
| Fuel Tank Capacity | 55 L | 100 L |
