2009 BMW 650 vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 2 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 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (385 HP @ 6500 RPM) has 24 more horse power than 2009 BMW 650. (361 HP @ 6300 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2009 BMW 650. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 20 kg more than 2011 Porsche 911.
Because 2011 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 650. In wet, icy, snow, or gravel driving conditions, 2011 Porsche 911 will offer significantly more control. 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 (488 Nm @ 3400 RPM) has 68 more torque (in Nm) than 2011 Porsche 911. (420 Nm @ 4400 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche 911.
Compare all specifications:
| 2009 BMW 650 | 2011 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 650 | 911 |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4799 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 361 HP | 385 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 488 Nm | 420 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1505 kg |
| Vehicle Length | 4830 mm | 4460 mm |
| Vehicle Width | 1380 mm | 1852 mm |
| Vehicle Height | 1860 mm | 1300 mm |
| Wheelbase Size | 2790 mm | 2350 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.4 L/100km |
| Fuel Consumption City | 16.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
