2009 BMW 523 vs. 2006 Porsche Cayman
To start off, 2009 BMW 523 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 3,392 cc, 2006 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayman (295 HP @ 6250 RPM) has 120 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2006 Porsche Cayman should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 523 weights approximately 150 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 (340 Nm @ 4400 RPM) has 110 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2006 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 2006 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 523 | Cayman |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2497 cc | 3392 cc |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 295 HP |
| Engine RPM | 5800 RPM | 6250 RPM |
| Torque | 230 Nm | 340 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 82.1 mm | 96 mm |
| Engine Stroke Size | 78.8 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.5 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1415 kg |
| Vehicle Length | 4850 mm | 4380 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2420 mm |
| Fuel Consumption Overall | 8.5 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 74 L |
