2007 Aston Martin DB9 vs. 2004 Audi A8
To start off, 2007 Aston Martin DB9 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (450 HP @ 6000 RPM) has 220 more horse power than 2004 Audi A8. (230 HP @ 4000 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 120 kg more than 2007 Aston Martin DB9.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2004 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 120 more torque (in Nm) than 2004 Audi A8. (450 Nm @ 1400 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
| 2007 Aston Martin DB9 | 2004 Audi A8 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A8 |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2966 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 230 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 570 Nm | 450 Nm |
| Torque RPM | 5000 RPM | 1400 RPM |
| Engine Bore Size | 89 mm | 83 mm |
| Engine Stroke Size | 79.5 mm | 91.4 mm |
| Engine Compression Ratio | 10.3:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 5.1 seconds | 7.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1830 kg |
| Vehicle Length | 4720 mm | 5060 mm |
| Vehicle Width | 1890 mm | 1900 mm |
| Vehicle Height | 1320 mm | 1450 mm |
| Wheelbase Size | 2750 mm | 2950 mm |
| Fuel Consumption Overall | 15.7 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
