2009 BMW 125 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 BMW 125. In addition, the cost of maintenance, including insurance, on 2009 BMW 125 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 96 more horse power than 2009 BMW 125. (215 HP @ 6500 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 2009 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 539 kg more than 2009 BMW 125. 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 380 more torque (in Nm) than 2009 BMW 125. (250 Nm @ 2750 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 125. 2012 BMW 640 has automatic transmission and 2009 BMW 125 has manual transmission. 2009 BMW 125 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 640 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 125 | 2012 BMW 640 | |
| Make | BMW | BMW |
| Model | 125 | 640 |
| Year Released | 2009 | 2012 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 311 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 250 Nm | 630 Nm |
| Torque RPM | 2750 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 5.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1326 kg | 1865 kg |
| Vehicle Length | 4370 mm | 5007 mm |
| Vehicle Width | 1430 mm | 1894 mm |
| Vehicle Height | 1760 mm | 1392 mm |
| Wheelbase Size | 2670 mm | 2968 mm |
| Fuel Consumption Overall | 5.1 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 53 L | 70 L |
