2007 Audi S8 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 S8. In addition, the cost of maintenance, including insurance, on 2007 Audi S8 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 216 more horse power than 2009 Mercedes-Benz C. (228 HP @ 6000 RPM). In normal driving conditions, 2007 Audi S8 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 890 kg more than 2007 Audi S8.
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 S8 (540 Nm @ 3400 RPM) has 239 more torque (in Nm) than 2009 Mercedes-Benz C. (301 Nm @ 2700 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz C.
Compare all specifications:
| 2007 Audi S8 | 2009 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | C |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2996 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 228 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 540 Nm | 301 Nm |
| Torque RPM | 3400 RPM | 2700 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 2830 kg |
| Vehicle Length | 5070 mm | 4640 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2950 mm | 2770 mm |
| Fuel Tank Capacity | 90 L | 66 L |
