2001 Audi A3 vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Audi A3. In addition, the cost of maintenance, including insurance, on 2001 Audi A3 would be higher. At 1,991 cc (4 cylinders), 2007 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz B (138 HP @ 4200 RPM) has 25 more horse power than 2001 Audi A3. (113 HP @ 5800 RPM) In normal driving conditions, 2007 Mercedes-Benz B should accelerate faster than 2001 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz B weights approximately 149 kg more than 2001 Audi A3. 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, 2001 Audi A3 (320 Nm @ 4000 RPM) has 20 more torque (in Nm) than 2007 Mercedes-Benz B. (300 Nm @ 1600 RPM). This means 2001 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B.
Compare all specifications:
| 2001 Audi A3 | 2007 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A3 | B |
| Year Released | 2001 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 138 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 76.5 mm | 83 mm |
| Engine Stroke Size | 86.9 mm | 92 mm |
| Engine Compression Ratio | 12.0:1 | 18.0:1 |
| Top Speed | 196 km/hour | 200 km/hour |
| Acceleration 0-100mph | 10.9 seconds | 7.6 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1225 kg | 1374 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 Tank Capacity | 55 L | 54 L |
