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 3,392 cc, 2006 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2006 Porsche Cayman (295 HP @ 6250 RPM) has 80 more horse power than 2005 BMW 325. (215 HP @ 6500 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 79 kg more than 2006 Porsche Cayman.
Let's talk about torque, 2006 Porsche Cayman (340 Nm @ 4400 RPM) has 90 more torque (in Nm) than 2005 BMW 325. (250 Nm @ 2750 RPM). 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 | Station Wagon | 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 | 215 HP | 295 HP |
| Engine RPM | 6500 RPM | 6250 RPM |
| Torque | 250 Nm | 340 Nm |
| Torque RPM | 2750 RPM | 4400 RPM |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 78.8 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1494 kg | 1415 kg |
| Vehicle Length | 4480 mm | 4380 mm |
| Vehicle Width | 1820 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2420 mm |
| Fuel Tank Capacity | 63 L | 74 L |
