2009 Mercedes-Benz B vs. 2009 Mercedes-Benz A
To start off, both 2009 Mercedes-Benz B and 2009 Mercedes-Benz A were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,034 cc (4 cylinders), 2009 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz B (190 HP @ 5000 RPM) has 76 more horse power than 2009 Mercedes-Benz A. (114 HP @ 5500 RPM). In normal driving conditions, 2009 Mercedes-Benz B should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz B weights approximately 45 kg more than 2009 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2009 Mercedes-Benz B (280 Nm @ 1800 RPM) has 125 more torque (in Nm) than 2009 Mercedes-Benz A. (155 Nm @ 3500 RPM). This means 2009 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz A.
Compare all specifications:
| 2009 Mercedes-Benz B | 2009 Mercedes-Benz A | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | B | A |
| Year Released | 2009 | 2009 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 1699 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 190 HP | 114 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 280 Nm | 155 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 83.1 mm |
| Engine Stroke Size | 94 mm | 78.5 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 7.7 seconds | 10.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1370 kg | 1325 kg |
| Vehicle Length | 4280 mm | 3840 mm |
| Vehicle Width | 1610 mm | 1770 mm |
| Vehicle Height | 1780 mm | 1600 mm |
| Wheelbase Size | 2780 mm | 2570 mm |
| Fuel Consumption Overall | 8.2 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 54 L | 60 L |
