2009 BMW 650 vs. 2012 Porsche Cayman
To start off, 2012 Porsche Cayman is newer by 3 year(s). Which means there will be less support and parts availability for 2009 BMW 650. In addition, the cost of maintenance, including insurance, on 2009 BMW 650 would be higher. At 4,797 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 97 more horse power than 2012 Porsche Cayman. (265 HP @ 7200 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 2012 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 10 kg more than 2012 Porsche Cayman. 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 BMW 650 (490 Nm @ 3400 RPM) has 191 more torque (in Nm) than 2012 Porsche Cayman. (299 Nm @ 4400 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2012 Porsche Cayman. 2009 BMW 650 has automatic transmission and 2012 Porsche Cayman has manual transmission. 2012 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 650 | 2012 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | 650 | Cayman |
| Year Released | 2009 | 2012 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4797 cc | 2900 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 265 HP |
| Engine RPM | 6300 RPM | 7200 RPM |
| Torque | 490 Nm | 299 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1330 kg |
| Vehicle Length | 4830 mm | 4376 mm |
| Vehicle Width | 1380 mm | 1801 mm |
| Vehicle Height | 1860 mm | 1303 mm |
| Wheelbase Size | 2790 mm | 2416 mm |
| Fuel Tank Capacity | 70 L | 64 L |
