2005 BMW 325 vs. 2006 Porsche Cayman
To start off, 2006 Porsche Cayman is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 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 53 more horse power than 2005 BMW 325. (189 HP @ 7400 RPM) In normal driving conditions, 2006 Porsche Cayman should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 320 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) has 36 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2006 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2006 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 325 | Cayman |
| Year Released | 2005 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2494 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 | 7400 RPM | 6500 RPM |
| Torque | 237 Nm | 273 Nm |
| Engine Bore Size | 84 mm | 85.5 mm |
| Engine Stroke Size | 75 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1300 kg |
| Vehicle Length | 4490 mm | 4350 mm |
| Vehicle Width | 1760 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2420 mm |
| Fuel Consumption Overall | 10.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
