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 @ 6800 RPM) has 99 more horse power than 2006 Audi A8. (330 HP @ 6500 RPM). In normal driving conditions, 2008 Audi S6 should accelerate faster than 2006 Audi A8.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 110 more torque (in Nm) than 2006 Audi A8. (430 Nm @ 3500 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 | 4172 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 429 HP | 330 HP |
| Engine RPM | 6800 RPM | 6500 RPM |
| Torque | 540 Nm | 430 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 93 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 6.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1910 kg |
| Vehicle Length | 4920 mm | 5190 mm |
| Vehicle Width | 1870 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 3080 mm |
| Fuel Consumption Overall | 13.4 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
