2012 BMW 640 vs. 2011 BMW 120
To start off, 2012 BMW 640 is newer by 1 year(s). Which means there will be less support and parts availability for 2011 BMW 120. In addition, the cost of maintenance, including insurance, on 2011 BMW 120 would be higher. At 2,993 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 136 more horse power than 2011 BMW 120. (175 HP @ 4000 RPM). In normal driving conditions, 2012 BMW 640 should accelerate faster than 2011 BMW 120. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 495 kg more than 2011 BMW 120. 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 279 more torque (in Nm) than 2011 BMW 120. (351 Nm @ 2000 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 120.
Compare all specifications:
| 2012 BMW 640 | 2011 BMW 120 | |
| Make | BMW | BMW |
| Model | 640 | 120 |
| Year Released | 2012 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 311 HP | 175 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 630 Nm | 351 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 90 mm | 84 mm |
| Engine Stroke Size | 84 mm | 90 mm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 228 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 7.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | 8-speed shiftable automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1935 kg | 1440 kg |
| Vehicle Length | 4894 mm | 4250 mm |
| Vehicle Width | 1894 mm | 1750 mm |
| Vehicle Height | 1365 mm | 1430 mm |
| Wheelbase Size | 2855 mm | 2670 mm |
| Fuel Consumption Overall | 5.5 L/100km | 4.9 L/100km |
| Fuel Tank Capacity | 70 L | 51 L |
