2007 Audi A8 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 A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 5,998 cc (12 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (450 HP @ 6200 RPM) has 182 more horse power than 2009 Mercedes-Benz C. (268 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2009 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 822 kg more than 2009 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 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 A8 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, 2007 Audi A8 (580 Nm @ 4000 RPM) has 230 more torque (in Nm) than 2009 Mercedes-Benz C. (350 Nm @ 2400 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz C.
Compare all specifications:
| 2007 Audi A8 | 2009 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | C |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 3498 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 268 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 580 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Engine Bore Size | 84 mm | 92.9 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2148 kg | 1326 kg |
| Vehicle Length | 5200 mm | 4600 mm |
| Vehicle Width | 1900 mm | 1470 mm |
| Vehicle Height | 1460 mm | 1780 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 90 L | 66 L |
