2009 Audi A8 vs. 2006 Aston Martin DB9
To start off, 2009 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2006 Aston Martin DB9 would be higher. At 5,932 cc (12 cylinders), 2006 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2006 Aston Martin DB9 (450 HP) has 194 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 2006 Aston Martin DB9 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Aston Martin DB9 weights approximately 550 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.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 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, 2006 Aston Martin DB9 (570 Nm @ 5000 RPM) has 240 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2006 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2006 Aston Martin DB9 | |
| Make | Audi | Aston Martin |
| Model | A8 | DB9 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 5932 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 450 HP |
| Torque | 330 Nm | 570 Nm |
| Torque RPM | 3250 RPM | 5000 RPM |
| Engine Compression Ratio | 13.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.7 seconds | 5.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1710 kg |
| Vehicle Length | 5060 mm | 4720 mm |
| Vehicle Width | 1900 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1320 mm |
| Wheelbase Size | 2950 mm | 2750 mm |
| Fuel Consumption Overall | 11 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
