2009 BMW 125 vs. 2010 Mercedes-Benz B
To start off, 2010 Mercedes-Benz B is newer by 1 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 2,497 cc (6 cylinders), 2009 BMW 125 is equipped with a bigger engine. In terms of performance, 2009 BMW 125 (215 HP @ 6500 RPM) has 121 more horse power than 2010 Mercedes-Benz B. (94 HP @ 5200 RPM). In normal driving conditions, 2009 BMW 125 should accelerate faster than 2010 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 125 weights approximately 26 kg more than 2010 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 125 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 125. However, in wet, icy, snow, or gravel driving conditions, 2010 Mercedes-Benz B, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW 125 (250 Nm @ 2750 RPM) has 110 more torque (in Nm) than 2010 Mercedes-Benz B. (140 Nm @ 3500 RPM). This means 2009 BMW 125 will have an easier job in driving up hills or pulling heavy equipment than 2010 Mercedes-Benz B.
Compare all specifications:
| 2009 BMW 125 | 2010 Mercedes-Benz B | |
| Make | BMW | Mercedes-Benz |
| Model | 125 | B |
| Year Released | 2009 | 2010 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1498 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 94 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 250 Nm | 140 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Compression Ratio | 10.2:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 174 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 13.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1326 kg | 1300 kg |
| Vehicle Length | 4370 mm | 4280 mm |
| Vehicle Width | 1430 mm | 1780 mm |
| Vehicle Height | 1760 mm | 1610 mm |
| Wheelbase Size | 2670 mm | 2780 mm |
| Fuel Consumption Overall | 5.1 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 53 L | 54 L |
