2009 Aston Martin DB9 vs. 2009 Audi A8
To start off, both 2009 Aston Martin DB9 and 2009 Audi A8 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,933 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (510 HP @ 6500 RPM) has 66 more horse power than 2009 Audi A8. (444 HP @ 7000 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 180 kg more than 2009 Aston Martin DB9.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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 (570 Nm @ 5750 RPM) has 30 more torque (in Nm) than 2009 Audi A8. (540 Nm @ 3500 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8. 2009 Audi A8 has automatic transmission and 2009 Aston Martin DB9 has manual transmission. 2009 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Aston Martin DB9 | 2009 Audi A8 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A8 |
| Year Released | 2009 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5933 cc | 5204 cc |
| Engine Cylinders | 12 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 510 HP | 444 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 570 Nm | 540 Nm |
| Torque RPM | 5750 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 | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 305 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.5 seconds | 5.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1940 kg |
| Vehicle Length | 4730 mm | 5070 mm |
| Vehicle Width | 1910 mm | 1900 mm |
| Vehicle Height | 1290 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2950 mm |
| Fuel Consumption | 12.4 L/100km | 12.4 L/100km |
| Fuel Consumption City | 19.7 L/100km | 18.2 L/100km |
| Fuel Consumption Overall | 16.3 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 78 L | 90 L |
