2005 Audi A3 vs. 2011 Mercedes-Benz B
To start off, 2011 Mercedes-Benz B is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 1,991 cc (4 cylinders), 2011 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2005 Audi A3 (148 HP @ 6000 RPM) has 40 more horse power than 2011 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2005 Audi A3 should accelerate faster than 2011 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz B weights approximately 162 kg more than 2005 Audi A3.
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, 2011 Mercedes-Benz B (250 Nm @ 1600 RPM) has 50 more torque (in Nm) than 2005 Audi A3. (200 Nm @ 3500 RPM). This means 2011 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3.
Compare all specifications:
| 2005 Audi A3 | 2011 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A3 | B |
| Year Released | 2005 | 2011 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 108 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 200 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Engine Compression Ratio | 11.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 211 km/hour | 183 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 11.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1278 kg | 1440 kg |
| Vehicle Length | 4210 mm | 4280 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2580 mm | 2780 mm |
| Fuel Consumption Overall | 6.9 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 55 L | 54 L |
