2006 Audi A8 vs. 2008 Audi A6
To start off, 2008 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 4,179 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (335 HP @ 6500 RPM) has 87 more horse power than 2008 Audi A6. (248 HP @ 5800 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 445 kg more than 2006 Audi A8.
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, 2006 Audi A8 (430 Nm @ 3500 RPM) has 80 more torque (in Nm) than 2008 Audi A6. (350 Nm @ 1800 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2006 Audi A8 has automatic transmission and 2008 Audi A6 has manual transmission. 2008 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 2008 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4179 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 335 HP | 248 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 430 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 204 km/hour | 246 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1720 kg |
| Vehicle Length | 5200 mm | 4800 mm |
| Vehicle Width | 1900 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
