2008 Audi A8 vs. 2006 Audi A6
To start off, 2008 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 Audi A6 would be higher. Both 2008 Audi A8 and 2006 Audi A6 are equipped with a 4,172 cc engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 34 more horse power than 2006 Audi A6. (296 HP @ 6200 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 160 kg more than 2006 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 A8 (431 Nm @ 3500 RPM) has 31 more torque (in Nm) than 2006 Audi A6. (400 Nm @ 3000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2008 Audi A8 | 2006 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 330 HP | 296 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 431 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 93 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 6.9 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 | 1750 kg |
| Vehicle Length | 5190 mm | 4840 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Consumption Overall | 11.9 L/100km | 13 L/100km |
| Fuel Tank Capacity | 90 L | 82 L |
