2005 Audi A6 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 A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 3,991 cc (8 cylinders), 2013 Audi A8 is equipped with a bigger engine. In terms of performance, 2013 Audi A8 (367 HP @ 6800 RPM) has 120 more horse power than 2005 Audi A6. (247 HP @ 1800 RPM) In normal driving conditions, 2013 Audi A8 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A8 weights approximately 364 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, 2013 Audi A8 (445 Nm) has 95 more torque (in Nm) than 2005 Audi A6. (350 Nm). This means 2013 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2013 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3991 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | W |
| Valves per Cylinder | 5 valves | 8 valves |
| Horse Power | 247 HP | 367 HP |
| Engine RPM | 1800 RPM | 6800 RPM |
| Torque | 350 Nm | 445 Nm |
| Engine Compression Ratio | 9.3:1 | 10.1:1 |
| Top Speed | 243 km/hour | 209 km/hour |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 2024 kg |
| Vehicle Length | 4800 mm | 5137 mm |
| Vehicle Width | 1820 mm | 2111 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2580 mm | 2992 mm |
| Fuel Consumption Highway | 8.8 L/100km | 7.9 L/100km |
| Fuel Consumption City | 18.1 L/100km | 12 L/100km |
