2004 BMW M6 vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW M6. In addition, the cost of maintenance, including insurance, on 2004 BMW M6 would be higher. At 4,998 cc (10 cylinders), 2004 BMW M6 is equipped with a bigger engine. In terms of performance, 2004 BMW M6 (500 HP @ 7750 RPM) has 139 more horse power than 2009 BMW 650. (361 HP @ 6300 RPM). In normal driving conditions, 2004 BMW M6 should accelerate faster than 2009 BMW 650. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M6 weights approximately 260 kg more than 2009 BMW 650. 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, 2004 BMW M6 (520 Nm @ 6100 RPM) has 32 more torque (in Nm) than 2009 BMW 650. (488 Nm @ 3400 RPM). This means 2004 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 650.
Compare all specifications:
| 2004 BMW M6 | 2009 BMW 650 | |
| Make | BMW | BMW |
| Model | M6 | 650 |
| Year Released | 2004 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 4799 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 361 HP |
| Engine RPM | 7750 RPM | 6300 RPM |
| Torque | 520 Nm | 488 Nm |
| Torque RPM | 6100 RPM | 3400 RPM |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 75.2 mm | 88.3 mm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.2 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1525 kg |
| Vehicle Length | 4880 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1380 mm |
| Vehicle Height | 1380 mm | 1860 mm |
| Wheelbase Size | 2790 mm | 2790 mm |
| Fuel Consumption | 10.2 L/100km | 11.2 L/100km |
| Fuel Consumption City | 22.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 14.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
