2005 BMW 740 vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 740. In addition, the cost of maintenance, including insurance, on 2005 BMW 740 would be higher. At 3,901 cc (8 cylinders), 2005 BMW 740 is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 36 more horse power than 2005 BMW 740. (255 HP @ 4000 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 2005 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 740 weights approximately 560 kg more than 2009 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, 2005 BMW 740 (600 Nm @ 1900 RPM) has 260 more torque (in Nm) than 2009 Porsche Cayman. (340 Nm @ 4600 RPM). This means 2005 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Cayman.
Compare all specifications:
| 2005 BMW 740 | 2009 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 740 | Cayman |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3901 cc | 3385 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 291 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 600 Nm | 340 Nm |
| Torque RPM | 1900 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 96.3 mm |
| Engine Stroke Size | 88 mm | 78.3 mm |
| Engine Compression Ratio | 18.0:1 | 11.1:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 267 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2090 kg | 1530 kg |
| Vehicle Length | 5040 mm | 4350 mm |
| Vehicle Width | 1910 mm | 1310 mm |
| Vehicle Height | 1500 mm | 1810 mm |
| Wheelbase Size | 2890 mm | 2420 mm |
| Fuel Consumption Overall | 9.8 L/100km | 11 L/100km |
| Fuel Tank Capacity | 88 L | 64 L |
