2009 Audi A3 vs. 2007 Mercedes-Benz A
To start off, 2009 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz A would be higher. At 2,034 cc (4 cylinders), 2007 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz A (190 HP @ 5000 RPM) has 52 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz A should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz A weights approximately 380 kg more than 2009 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, 2009 Audi A3 (320 Nm @ 2500 RPM) has 40 more torque (in Nm) than 2007 Mercedes-Benz A. (280 Nm @ 1800 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz A.
Compare all specifications:
| 2009 Audi A3 | 2007 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A3 | A |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2034 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 190 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 320 Nm | 280 Nm |
| Torque RPM | 2500 RPM | 1800 RPM |
| Engine Bore Size | 81.1 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 94 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.5 seconds | 8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 3 doors |
| Vehicle Weight | 895 kg | 1275 kg |
| Vehicle Length | 4210 mm | 3840 mm |
| Vehicle Width | 1960 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1600 mm |
| Wheelbase Size | 2580 mm | 2570 mm |
| Fuel Consumption Overall | 6.8 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 55 L | 54 L |
