2009 Audi A4 vs. 2006 Mercedes-Benz B
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz B would be higher. At 1,991 cc (4 cylinders), 2006 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (161 HP @ 5700 RPM) has 53 more horse power than 2006 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2006 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 105 kg more than 2006 Mercedes-Benz B. 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, 2006 Mercedes-Benz B (251 Nm @ 1600 RPM) has 26 more torque (in Nm) than 2009 Audi A4. (225 Nm @ 1950 RPM). This means 2006 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 | 2006 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | B |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 108 HP |
| Engine RPM | 5700 RPM | 4200 RPM |
| Torque | 225 Nm | 251 Nm |
| Torque RPM | 1950 RPM | 1600 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 226 km/hour | 183 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 11.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1435 kg |
| Vehicle Length | 4580 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1610 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Consumption Overall | 8.5 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
