2007 Audi S8 vs. 2005 Audi A6
To start off, 2007 Audi S8 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 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 266 more horse power than 2005 Audi A6. (178 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 210 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 @ 3500 RPM) has 170 more torque (in Nm) than 2005 Audi A6. (370 Nm @ 1500 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2007 Audi S8 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | S8 | A6 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2393 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 178 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 540 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84.5 mm | 78.3 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 12.5:1 | 19.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 221 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 9.1 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1730 kg |
| Vehicle Length | 5070 mm | 4800 mm |
| Vehicle Width | 1900 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2950 mm | 2660 mm |
| Fuel Consumption Overall | 13.6 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
