2004 Aston Martin DB9 vs. 2003 Audi A8
To start off, 2004 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 5,930 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (450 HP @ 6000 RPM) has 178 more horse power than 2003 Audi A8. (272 HP @ 3750 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2003 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A8 weights approximately 110 kg more than 2004 Aston Martin DB9.
Because 2003 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, 2003 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, 2003 Audi A8 (650 Nm) has 80 more torque (in Nm) than 2004 Aston Martin DB9. (570 Nm). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Aston Martin DB9.
Compare all specifications:
| 2004 Aston Martin DB9 | 2003 Audi A8 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A8 |
| Year Released | 2004 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5930 cc | 3936 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 272 HP |
| Engine RPM | 6000 RPM | 3750 RPM |
| Torque | 570 Nm | 650 Nm |
| Engine Bore Size | 89 mm | 81 mm |
| Engine Stroke Size | 80 mm | 95.5 mm |
| Engine Compression Ratio | 10.3:1 | 17.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1820 kg |
| Vehicle Length | 4700 mm | 5190 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1320 mm | 1460 mm |
| Wheelbase Size | 2750 mm | 3080 mm |
| Fuel Tank Capacity | 85 L | 90 L |
