2005 BMW Z4 vs. 2010 Porsche Cayman
To start off, 2010 Porsche Cayman is newer by 5 year(s). Which means there will be less support and parts availability for 2005 BMW Z4. In addition, the cost of maintenance, including insurance, on 2005 BMW Z4 would be higher. At 3,400 cc (6 cylinders), 2010 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2010 Porsche Cayman (320 HP @ 7200 RPM) has 152 more horse power than 2005 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2010 Porsche Cayman should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche Cayman weights approximately 25 kg more than 2005 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2010 Porsche Cayman (370 Nm @ 4750 RPM) has 160 more torque (in Nm) than 2005 BMW Z4. (210 Nm @ 3500 RPM). This means 2010 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4.
Compare all specifications:
| 2005 BMW Z4 | 2010 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | Z4 | Cayman |
| Year Released | 2005 | 2010 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2171 cc | 3400 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 320 HP |
| Engine RPM | 6250 RPM | 7200 RPM |
| Torque | 210 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 4750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1350 kg |
| Vehicle Length | 4100 mm | 4376 mm |
| Vehicle Width | 1790 mm | 1801 mm |
| Vehicle Height | 1310 mm | 1306 mm |
| Wheelbase Size | 2500 mm | 2416 mm |
| Fuel Tank Capacity | 55 L | 64 L |
