2009 Aston Martin DB9 vs. 2008 Audi S8
To start off, 2009 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S8. In addition, the cost of maintenance, including insurance, on 2008 Audi S8 would be higher. At 5,935 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (470 HP @ 6000 RPM) has 26 more horse power than 2008 Audi S8. (444 HP @ 7000 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2008 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S8 weights approximately 50 kg more than 2009 Aston Martin DB9.
Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2008 Audi S8 will offer significantly more control. 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 Aston Martin DB9 (601 Nm @ 5000 RPM) has 61 more torque (in Nm) than 2008 Audi S8. (540 Nm @ 3500 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S8.
Compare all specifications:
| 2009 Aston Martin DB9 | 2008 Audi S8 | |
| Make | Aston Martin | Audi |
| Model | DB9 | S8 |
| Year Released | 2009 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 5204 cc |
| Engine Cylinders | 12 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 470 HP | 444 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 601 Nm | 540 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84.5 mm |
| Engine Stroke Size | 79.5 mm | 92.8 mm |
| Engine Compression Ratio | 10.9:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 265 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 5.4 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1940 kg |
| Vehicle Width | 1880 mm | 1900 mm |
| Wheelbase Size | 2750 mm | 2950 mm |
| Fuel Consumption Overall | 16.8 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
