2009 Audi A4 vs. 2010 Mercedes-Benz A
To start off, 2010 Mercedes-Benz A is newer by 1 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 3,122 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (252 HP @ 5100 RPM) has 138 more horse power than 2010 Mercedes-Benz A. (114 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2010 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz A weights approximately 395 kg more than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Mercedes-Benz A. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. 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 (330 Nm @ 3250 RPM) has 175 more torque (in Nm) than 2010 Mercedes-Benz A. (155 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Mercedes-Benz A.
Compare all specifications:
| 2009 Audi A4 | 2010 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | A |
| Year Released | 2009 | 2010 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3122 cc | 1699 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 114 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Torque | 330 Nm | 155 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 83.1 mm |
| Engine Stroke Size | 92.8 mm | 78.5 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 6.8 seconds | 10.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 930 kg | 1325 kg |
| Vehicle Length | 4580 mm | 3840 mm |
| Vehicle Width | 1400 mm | 1770 mm |
| Vehicle Height | 1780 mm | 1600 mm |
| Wheelbase Size | 2660 mm | 2570 mm |
| Fuel Consumption Overall | 11 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
