2009 Audi A4 vs. 2007 Mercedes-Benz C
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz C would be higher. At 3,497 cc (6 cylinders), 2007 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz C (268 HP @ 6000 RPM) has 46 more horse power than 2009 Audi A4. (222 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz C should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz C weights approximately 110 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz C. 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 (450 Nm @ 1400 RPM) has 100 more torque (in Nm) than 2007 Mercedes-Benz C. (350 Nm @ 2400 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi A4 | 2007 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | C |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 3497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 268 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 450 Nm | 350 Nm |
| Torque RPM | 1400 RPM | 2400 RPM |
| Engine Bore Size | 83 mm | 92.9 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Engine Compression Ratio | 17.0:1 | 10.7:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1720 kg |
| Vehicle Length | 4550 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Consumption Overall | 7.6 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
