2005 Audi S6 vs. 2013 Audi A8
To start off, 2013 Audi A8 is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Audi S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP) has 7 more horse power than 2013 Audi A8. (328 HP). In normal driving conditions, 2005 Audi S6 should accelerate faster than 2013 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A8 weights approximately 15 kg more than 2005 Audi S6.
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, 2013 Audi A8 (441 Nm) has 21 more torque (in Nm) than 2005 Audi S6. (420 Nm). This means 2013 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S6.
Compare all specifications:
| 2005 Audi S6 | 2013 Audi A8 | |
| Make | Audi | Audi |
| Model | S6 | A8 |
| Year Released | 2005 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | W |
| Valves per Cylinder | 5 valves | 6 valves |
| Horse Power | 335 HP | 328 HP |
| Torque | 420 Nm | 441 Nm |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 89.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1830 kg |
| Vehicle Length | 4840 mm | 5137 mm |
| Vehicle Width | 1860 mm | 2111 mm |
| Vehicle Height | 1450 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2992 mm |
