2008 Audi A8 vs. 2004 Aston Martin DB9
To start off, 2008 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2004 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (454 HP @ 6000 RPM) has 223 more horse power than 2008 Audi A8. (231 HP @ 4000 RPM) In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 114 kg more than 2004 Aston Martin DB9.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2008 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, 2004 Aston Martin DB9 (570 Nm @ 5000 RPM) has 120 more torque (in Nm) than 2008 Audi A8. (450 Nm @ 1400 RPM). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2008 Audi A8 | 2004 Aston Martin DB9 | |
| Make | Audi | Aston Martin |
| Model | A8 | DB9 |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 231 HP | 454 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 450 Nm | 570 Nm |
| Torque RPM | 1400 RPM | 5000 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 91.4 mm | 79.5 mm |
| Engine Compression Ratio | 17.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 243 km/hour | 300 km/hour |
| Acceleration 0-100mph | 7.8 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 | 1830 kg | 1716 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 Tank Capacity | 90 L | 85 L |
