2012 BMW 640 vs. 2012 BMW 730
To start off, both 2012 BMW 640 and 2012 BMW 730 were released in the same year (2012). Therefore the support and the availability on parts for both vehicles should be relatively similar. Both 2012 BMW 640 and 2012 BMW 730 are equipped with a 2,993 cc engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 67 more horse power than 2012 BMW 730. (244 HP @ 4000 RPM). In normal driving conditions, 2012 BMW 640 should accelerate faster than 2012 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 730 weights approximately 150 kg more than 2012 BMW 640.
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 90 more torque (in Nm) than 2012 BMW 730. (540 Nm @ 4000 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2012 BMW 730.
Compare all specifications:
| 2012 BMW 640 | 2012 BMW 730 | |
| Make | BMW | BMW |
| Model | 640 | 730 |
| Year Released | 2012 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 311 HP | 244 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 630 Nm | 540 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 246 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 7.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1790 kg | 1940 kg |
| Vehicle Length | 4894 mm | 5072 mm |
| Vehicle Width | 1894 mm | 1902 mm |
| Vehicle Height | 1369 mm | 1479 mm |
| Wheelbase Size | 2855 mm | 3070 mm |
| Fuel Consumption | 4.8 L/100km | 5.5 L/100km |
| Fuel Consumption City | 6.7 L/100km | 9 L/100km |
| Fuel Consumption Overall | 5.5 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 70 L | 82 L |
