2009 Audi A8 vs. 2005 Mercedes-Benz C
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (271 HP @ 3750 RPM) has 111 more horse power than 2005 Mercedes-Benz C. (160 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 465 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (650 Nm @ 1800 RPM) has 410 more torque (in Nm) than 2005 Mercedes-Benz C. (240 Nm @ 3000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi A8 | 2005 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | C |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 160 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 650 Nm | 240 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 245 km/hour | 234 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 9.1 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 1475 kg |
| Vehicle Length | 5060 mm | 4530 mm |
| Vehicle Width | 1900 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2720 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 90 L | 62 L |
