2008 Audi S6 vs. 2006 Audi A8
To start off, 2008 Audi S6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 5,202 cc (10 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (429 HP) has 173 more horse power than 2006 Audi A8. (256 HP). In normal driving conditions, 2008 Audi S6 should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S6 weights approximately 30 kg more than 2006 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A8. In wet, icy, snow, or gravel driving conditions, 2008 Audi S6 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, 2008 Audi S6 (540 Nm @ 3000 RPM) has 210 more torque (in Nm) than 2006 Audi A8. (330 Nm @ 3250 RPM). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A8.
Compare all specifications:
| 2008 Audi S6 | 2006 Audi A8 | |
| Make | Audi | Audi |
| Model | S6 | A8 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5202 cc | 3123 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 429 HP | 256 HP |
| Torque | 540 Nm | 330 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Compression Ratio | 12.5:1 | 13.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 7.7 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1880 kg |
| Vehicle Length | 4920 mm | 5060 mm |
| Vehicle Width | 1870 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2850 mm | 2950 mm |
| Fuel Consumption Overall | 13.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
