2006 BMW Z4 vs. 2013 Porsche Cayenne
To start off, 2013 Porsche Cayenne is newer by 7 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,000 cc (6 cylinders), 2013 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2013 Porsche Cayenne (328 HP @ 6500 RPM) has 143 more horse power than 2006 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2013 Porsche Cayenne should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche Cayenne weights approximately 985 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Porsche Cayenne is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 Porsche Cayenne (441 Nm @ 5250 RPM) has 204 more torque (in Nm) than 2006 BMW Z4. (237 Nm @ 3500 RPM). This means 2013 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2013 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | Z4 | Cayenne |
| Year Released | 2006 | 2013 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Rear |
| Engine Size | 2501 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 328 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 237 Nm | 441 Nm |
| Torque RPM | 3500 RPM | 5250 RPM |
| Engine Bore Size | 84.1 mm | 84 mm |
| Engine Stroke Size | 74.9 mm | 89 mm |
| Fuel Type | Gasoline | Diesel / Electric Hybrid |
| Top Speed | 220 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 6.1 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 2315 kg |
| Vehicle Length | 4100 mm | 4846 mm |
| Vehicle Width | 1790 mm | 2154 mm |
| Vehicle Height | 1300 mm | 1705 mm |
| Wheelbase Size | 2500 mm | 2895 mm |
