2007 BMW 320 vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 320. In addition, the cost of maintenance, including insurance, on 2007 BMW 320 would be higher. At 3,385 cc, 2009 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 143 more horse power than 2007 BMW 320. (148 HP @ 6200 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayman weights approximately 66 kg more than 2007 BMW 320. 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, 2009 Porsche Cayman (340 Nm @ 4600 RPM) has 140 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 2009 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 320 | Cayman |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1995 cc | 3385 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 291 HP |
| Engine RPM | 6200 RPM | 6250 RPM |
| Torque | 200 Nm | 340 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 96.3 mm |
| Engine Stroke Size | 90 mm | 78.3 mm |
| Engine Compression Ratio | 10.5:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 213 km/hour | 267 km/hour |
| Acceleration 0-100mph | 10.2 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1464 kg | 1530 kg |
| Vehicle Length | 4530 mm | 4350 mm |
| Vehicle Width | 1420 mm | 1310 mm |
| Vehicle Height | 1820 mm | 1810 mm |
| Wheelbase Size | 2770 mm | 2420 mm |
| Fuel Consumption Overall | 8.1 L/100km | 11 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
