2009 Audi A4 vs. 2011 Mercedes-Benz A
To start off, 2011 Mercedes-Benz A is newer by 2 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 1,991 cc (4 cylinders), 2011 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (141 HP @ 4200 RPM) has 33 more horse power than 2011 Mercedes-Benz A. (108 HP @ 4200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2011 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz A weights approximately 1935 kg more than 2009 Audi A4.
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 (320 Nm @ 1750 RPM) has 70 more torque (in Nm) than 2011 Mercedes-Benz A. (250 Nm @ 1600 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz A.
Compare all specifications:
| 2009 Audi A4 | 2011 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | A |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 108 HP |
| Engine RPM | 4200 RPM | 4200 RPM |
| Torque | 320 Nm | 250 Nm |
| Torque RPM | 1750 RPM | 1600 RPM |
| Engine Compression Ratio | 16.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 215 km/hour | 181 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 2830 kg |
| Vehicle Length | 4710 mm | 3840 mm |
| Vehicle Width | 2010 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1600 mm |
| Wheelbase Size | 2810 mm | 2570 mm |
| Fuel Consumption Overall | 5.5 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
