2007 BMW M6 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 BMW M6. In addition, the cost of maintenance, including insurance, on 2007 BMW M6 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 189 more horse power than 2012 BMW 640. (311 HP @ 4400 RPM). In normal driving conditions, 2007 BMW M6 should accelerate faster than 2012 BMW 640. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 150 kg more than 2007 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 640 (630 Nm @ 1500 RPM) has 110 more torque (in Nm) than 2007 BMW M6. (520 Nm @ 6100 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW M6.
Compare all specifications:
| 2007 BMW M6 | 2012 BMW 640 | |
| Make | BMW | BMW |
| Model | M6 | 640 |
| Year Released | 2007 | 2012 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2993 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 311 HP |
| Engine RPM | 7750 RPM | 4400 RPM |
| Torque | 520 Nm | 630 Nm |
| Torque RPM | 6100 RPM | 1500 RPM |
| Engine Bore Size | 92 mm | 90 mm |
| Engine Stroke Size | 75.2 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1935 kg |
| Vehicle Length | 4880 mm | 4894 mm |
| Vehicle Width | 1380 mm | 1894 mm |
| Vehicle Height | 1860 mm | 1365 mm |
| Wheelbase Size | 2790 mm | 2855 mm |
| Fuel Consumption Overall | 14.8 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
