2008 Audi S8 vs. 2006 Mercedes-Benz S
To start off, 2008 Audi S8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz S would be higher. At 5,506 cc (12 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (493 HP @ 5000 RPM) has 43 more horse power than 2008 Audi S8. (450 HP @ 7000 RPM) In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 2008 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 1004 kg more than 2008 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2006 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2008 Audi S8 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, 2006 Mercedes-Benz S (800 Nm @ 1800 RPM) has 260 more torque (in Nm) than 2008 Audi S8. (540 Nm @ 3500 RPM). This means 2006 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S8.
Compare all specifications:
| 2008 Audi S8 | 2006 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | S |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 5506 cc |
| Engine Cylinders | 10 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 450 HP | 493 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 540 Nm | 800 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 87 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1176 kg | 2180 kg |
| Vehicle Length | 5070 mm | 5170 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2950 mm | 3090 mm |
| Fuel Consumption | 12.4 L/100km | 12.4 L/100km |
| Fuel Consumption City | 18.1 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 90 L | 88 L |
