2007 BMW Z4 vs. 2013 Porsche Cayenne
To start off, 2013 Porsche Cayenne is newer by 6 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 4,800 cc (8 cylinders), 2013 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2013 Porsche Cayenne (542 HP @ 6000 RPM) has 204 more horse power than 2007 BMW Z4. (338 HP @ 7900 RPM) In normal driving conditions, 2013 Porsche Cayenne should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche Cayenne weights approximately 760 kg more than 2007 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 2007 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 (750 Nm @ 4500 RPM) has 385 more torque (in Nm) than 2007 BMW Z4. (365 Nm @ 4900 RPM). This means 2013 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2013 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | Z4 | Cayenne |
| Year Released | 2007 | 2013 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Rear |
| Engine Size | 3246 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 542 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 365 Nm | 750 Nm |
| Torque RPM | 4900 RPM | 4500 RPM |
| Engine Bore Size | 87 mm | 96 mm |
| Engine Stroke Size | 91 mm | 83 mm |
| Engine Compression Ratio | 11.5:1 | 10.5 : 1 |
| Fuel Type | Gasoline - Premium | Diesel / Electric Hybrid |
| Top Speed | 250 km/hour | 278 km/hour |
| Acceleration 0-100mph | 5 seconds | 4.9 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 | 1485 kg | 2245 kg |
| Vehicle Length | 4120 mm | 4796 mm |
| Vehicle Width | 1790 mm | 2154 mm |
| Vehicle Height | 1310 mm | 1702 mm |
| Wheelbase Size | 2500 mm | 2895 mm |
