2007 Audi A8 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (256 HP) has 49 more horse power than 2009 Audi A8. (207 HP). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 190 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2007 Audi A8 (330 Nm @ 3250 RPM) has 50 more torque (in Nm) than 2009 Audi A8. (280 Nm @ 3000 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2007 Audi A8 | 2009 Audi A8 | |
| Make | Audi | Audi |
| Model | A8 | A8 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2772 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 207 HP |
| Torque | 330 Nm | 280 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 82.4 mm |
| Engine Compression Ratio | 13.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 8 seconds | 8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1690 kg |
| Vehicle Length | 5060 mm | 5070 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2950 mm | 2950 mm |
| Fuel Consumption Overall | 9.8 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
