2008 Audi A6 vs. 2011 Audi A8
To start off, 2011 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Audi A6. In addition, the cost of maintenance, including insurance, on 2008 Audi A6 would be higher. At 4,200 cc (8 cylinders), 2011 Audi A8 is equipped with a bigger engine. In terms of performance, 2011 Audi A8 (372 HP @ 6800 RPM) has 194 more horse power than 2008 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2011 Audi A8 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi A8 weights approximately 125 kg more than 2008 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, 2011 Audi A8 (444 Nm @ 3500 RPM) has 64 more torque (in Nm) than 2008 Audi A6. (380 Nm @ 1400 RPM). This means 2011 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2011 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2008 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4200 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 372 HP |
| Engine RPM | 3300 RPM | 6800 RPM |
| Torque | 380 Nm | 444 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1875 kg | 2000 kg |
| Vehicle Length | 4940 mm | 5136 mm |
| Vehicle Width | 1870 mm | 1948 mm |
| Vehicle Height | 1530 mm | 1461 mm |
| Wheelbase Size | 2840 mm | 2992 mm |
| Fuel Tank Capacity | 80 L | 90 L |
