2007 Audi A4 vs. 2009 Mercedes-Benz A
To start off, 2009 Mercedes-Benz A is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 1,991 cc (4 cylinders), 2009 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 23 more horse power than 2009 Mercedes-Benz A. (138 HP @ 4200 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 25 kg more than 2009 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 Mercedes-Benz A (300 Nm @ 1600 RPM) has 75 more torque (in Nm) than 2007 Audi A4. (225 Nm @ 1950 RPM). This means 2009 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | A |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 138 HP |
| Engine RPM | 5700 RPM | 4200 RPM |
| Torque | 225 Nm | 300 Nm |
| Torque RPM | 1950 RPM | 1600 RPM |
| Engine Compression Ratio | 9.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 228 km/hour | 196 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9.5 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 | 1390 kg | 1365 kg |
| Vehicle Length | 4550 mm | 3840 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1600 mm |
| Wheelbase Size | 2650 mm | 2570 mm |
| Fuel Consumption Overall | 8.2 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
