2006 Audi A8 vs. 2008 Audi A8
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 A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (450 HP @ 6200 RPM) has 128 more horse power than 2006 Audi A8. (322 HP @ 3750 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster 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 (650 Nm @ 1600 RPM) has 70 more torque (in Nm) than 2008 Audi A8. (580 Nm @ 4000 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2006 Audi A8 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | A8 | A8 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 5998 cc |
| Engine Type | V | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 450 HP |
| Engine RPM | 3750 RPM | 6200 RPM |
| Torque | 650 Nm | 580 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 90.2 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5070 mm | 5200 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1450 mm | 1460 mm |
| Wheelbase Size | 2950 mm | 3080 mm |
| Fuel Consumption Overall | 9.6 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
