2007 Audi A3 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 3,189 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 26 more horse power than 2009 Mercedes-Benz C. (221 HP @ 3800 RPM). In normal driving conditions, 2007 Audi A3 should accelerate faster than 2009 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz C weights approximately 115 kg more than 2007 Audi A3.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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 Mercedes-Benz C (510 Nm @ 2800 RPM) has 190 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 2800 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2009 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A3 | C |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 2985 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 221 HP |
| Engine RPM | 6300 RPM | 3800 RPM |
| Torque | 320 Nm | 510 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Engine Bore Size | 84.1 mm | 83 mm |
| Engine Stroke Size | 95.9 mm | 92 mm |
| Engine Compression Ratio | 11.3:1 | 17.7:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 6.4 seconds | 7.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1650 kg |
| Vehicle Length | 4290 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1780 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Consumption Overall | 10.6 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 60 L | 66 L |
