2012 BMW 640 vs. 2006 BMW 630
To start off, 2012 BMW 640 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 630. In addition, the cost of maintenance, including insurance, on 2006 BMW 630 would be higher. At 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 57 more horse power than 2006 BMW 630. (254 HP @ 6600 RPM). In normal driving conditions, 2012 BMW 640 should accelerate faster than 2006 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 224 kg more than 2006 BMW 630. 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, 2012 BMW 640 (630 Nm @ 1500 RPM) has 330 more torque (in Nm) than 2006 BMW 630. (300 Nm @ 2500 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 630.
Compare all specifications:
| 2012 BMW 640 | 2006 BMW 630 | |
| Make | BMW | BMW |
| Model | 640 | 630 |
| Year Released | 2012 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 311 HP | 254 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Torque | 630 Nm | 300 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Bore Size | 90 mm | 85 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 6.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | 8-speed shiftable automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1790 kg | 1566 kg |
| Vehicle Length | 4894 mm | 4830 mm |
| Vehicle Width | 1894 mm | 1860 mm |
| Vehicle Height | 1369 mm | 1380 mm |
| Wheelbase Size | 2855 mm | 2790 mm |
| Fuel Consumption Overall | 5.5 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
