2009 Audi A4 vs. 2012 Mercedes-Benz A
To start off, 2012 Mercedes-Benz A is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 2,393 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (168 HP @ 6000 RPM) has 87 more horse power than 2012 Mercedes-Benz A. (81 HP @ 4200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2012 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 114 kg more than 2012 Mercedes-Benz A. 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 A4 (230 Nm @ 3200 RPM) has 50 more torque (in Nm) than 2012 Mercedes-Benz A. (180 Nm @ 1400 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz A.
Compare all specifications:
| 2009 Audi A4 | 2012 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | A |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 81 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 230 Nm | 180 Nm |
| Torque RPM | 3200 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 77.4 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 226 km/hour | 170 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 15 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1440 kg | 1326 kg |
| Vehicle Length | 4550 mm | 3840 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1600 mm |
| Wheelbase Size | 2660 mm | 2570 mm |
| Fuel Consumption Overall | 9.8 L/100km | 4.9 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
