2009 Audi A4 vs. 2009 Mercedes-Benz B
To start off, both 2009 Audi A4 and 2009 Mercedes-Benz B 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 42 more horse power than 2009 Audi A4. (148 HP @ 6000 RPM) In normal driving conditions, 2009 Mercedes-Benz B should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz B weights approximately 20 kg more than 2009 Audi A4. 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 80 more torque (in Nm) than 2009 Audi A4. (200 Nm @ 3500 RPM). This means 2009 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2009 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | B |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2034 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 190 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 200 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Compression Ratio | 11.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 213 km/hour | 225 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 7.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1350 kg | 1370 kg |
| Vehicle Length | 4550 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1610 mm |
| Vehicle Height | 1430 mm | 1780 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Consumption Overall | 7.1 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
