2009 BMW 320 vs. 2006 Porsche Cayman
To start off, 2009 BMW 320 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Porsche Cayman. In addition, the cost of maintenance, including insurance, on 2006 Porsche Cayman would be higher. 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 74 more horse power than 2009 BMW 320. (168 HP @ 6100 RPM) In normal driving conditions, 2006 Porsche Cayman should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 320 weights approximately 220 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 63 more torque (in Nm) than 2009 BMW 320. (210 Nm @ 3500 RPM). This means 2006 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 BMW 320 | 2006 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 320 | Cayman |
| Year Released | 2009 | 2006 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1995 cc | 2686 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 242 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 210 Nm | 273 Nm |
| Torque RPM | 3500 RPM | 4600 RPM |
| Engine Bore Size | 80 mm | 85.5 mm |
| Engine Stroke Size | 72 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 224 km/hour | 258 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1300 kg |
| Vehicle Length | 4480 mm | 4350 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2420 mm |
| Fuel Consumption Overall | 9 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
