2009 BMW M6 vs. 2012 BMW 650
To start off, 2012 BMW 650 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 BMW M6. In addition, the cost of maintenance, including insurance, on 2009 BMW M6 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 100 more horse power than 2012 BMW 650. (400 HP @ 5500 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 2012 BMW 650. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 650 weights approximately 530 kg more than 2009 BMW M6.
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, 2012 BMW 650 (609 Nm @ 1750 RPM) has 90 more torque (in Nm) than 2009 BMW M6. (519 Nm @ 6100 RPM). This means 2012 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW M6.
Compare all specifications:
| 2009 BMW M6 | 2012 BMW 650 | |
| Make | BMW | BMW |
| Model | M6 | 650 |
| Year Released | 2009 | 2012 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 4400 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 400 HP |
| Engine RPM | 7750 RPM | 5500 RPM |
| Torque | 519 Nm | 609 Nm |
| Torque RPM | 6100 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1525 kg | 2055 kg |
| Vehicle Length | 4880 mm | 4894 mm |
| Vehicle Width | 1860 mm | 1894 mm |
| Vehicle Height | 1380 mm | 1369 mm |
| Wheelbase Size | 2790 mm | 2855 mm |
| Fuel Consumption Highway | 13.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 21.4 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
