2011 Mercedes-Benz B vs. 2009 BMW 125
To start off, 2011 Mercedes-Benz B is newer by 2 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 2,996 cc (6 cylinders), 2009 BMW 125 is equipped with a bigger engine. In terms of performance, 2009 BMW 125 (215 HP @ 6100 RPM) has 101 more horse power than 2011 Mercedes-Benz B. (114 HP @ 5750 RPM) In normal driving conditions, 2009 BMW 125 should accelerate faster than 2011 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 125 weights approximately 115 kg more than 2011 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, 2011 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 (271 Nm @ 2500 RPM) has 106 more torque (in Nm) than 2011 Mercedes-Benz B. (165 Nm @ 3500 RPM). This means 2009 BMW 125 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz B. 2009 BMW 125 has automatic transmission and 2011 Mercedes-Benz B has manual transmission. 2011 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 125 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2011 Mercedes-Benz B | 2009 BMW 125 | |
| Make | Mercedes-Benz | BMW |
| Model | B | 125 |
| Year Released | 2011 | 2009 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 215 HP |
| Engine RPM | 5750 RPM | 6100 RPM |
| Torque | 165 Nm | 271 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 12.4 seconds | 6.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1585 kg |
| Vehicle Length | 4280 mm | 4370 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1630 mm | 1420 mm |
| Wheelbase Size | 2780 mm | 2670 mm |
| Fuel Consumption Overall | 7.3 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 54 L | 53 L |
