2006 BMW Z4 vs. 2006 Porsche Cayman
To start off, both 2006 BMW Z4 and 2006 Porsche Cayman were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,686 cc (6 cylinders), 2006 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayman (242 HP @ 6500 RPM) has 53 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2006 Porsche Cayman should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 35 kg more than 2006 Porsche Cayman.
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, 2006 Porsche Cayman (273 Nm @ 4600 RPM) has 28 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2006 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2006 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | Z4 | Cayman |
| Year Released | 2006 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2492 cc | 2686 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 242 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 245 Nm | 273 Nm |
| Torque RPM | 3500 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 85.5 mm |
| Engine Stroke Size | 75 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 258 km/hour |
| Acceleration 0-100mph | 7 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1335 kg | 1300 kg |
| Vehicle Length | 4100 mm | 4350 mm |
| Vehicle Width | 1790 mm | 1810 mm |
| Vehicle Height | 1310 mm | 1310 mm |
| Wheelbase Size | 2500 mm | 2420 mm |
| Fuel Consumption Overall | 9 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
