2007 BMW Z4 vs. 2002 Porsche Cayenne
To start off, 2007 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2002 Porsche Cayenne would be higher. At 3,199 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (358 HP @ 7900 RPM) has 121 more horse power than 2002 Porsche Cayenne. (237 HP @ 6000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2002 Porsche Cayenne.
Because 2002 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2002 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, 2007 BMW Z4 (385 Nm @ 4900 RPM) has 75 more torque (in Nm) than 2002 Porsche Cayenne. (310 Nm @ 2500 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Porsche Cayenne. 2002 Porsche Cayenne has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2002 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | Z4 | Cayenne |
| Year Released | 2007 | 2002 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 3177 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 358 HP | 237 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 385 Nm | 310 Nm |
| Torque RPM | 4900 RPM | 2500 RPM |
| Engine Compression Ratio | 11.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4100 mm | 4790 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1300 mm | 1710 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
