2009 Audi A8 vs. 2008 Audi A6
To start off, 2009 Audi A8 is newer by 1 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 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 280 kg more than 2008 Audi A6.
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, 2009 Audi A8 (650 Nm @ 1800 RPM) has 300 more torque (in Nm) than 2008 Audi A6. (350 Nm @ 1800 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2009 Audi A8 | 2008 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2671 cc |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 272 HP | 0 HP |
| Torque | 650 Nm | 350 Nm |
| Torque RPM | 1800 RPM | 1800 RPM |
| Engine Compression Ratio | 18.0:1 | 9.3:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 243 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 6.8 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 | 1940 kg | 1660 kg |
| Vehicle Length | 5190 mm | 4820 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Consumption Overall | 9.6 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
