2004 Aston Martin DB9 vs. 2006 Audi A8
To start off, 2006 Audi A8 is newer by 2 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 132 more horse power than 2006 Audi A8. (322 HP @ 3750 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 229 kg more than 2004 Aston Martin DB9.
Because 2006 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, 2006 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 Audi A8 (650 Nm @ 1600 RPM) has 80 more torque (in Nm) than 2004 Aston Martin DB9. (570 Nm @ 5000 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Aston Martin DB9. 2006 Audi A8 has automatic transmission and 2004 Aston Martin DB9 has manual transmission. 2004 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Aston Martin DB9 | 2006 Audi A8 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A8 |
| Year Released | 2004 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4134 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 454 HP | 322 HP |
| Engine RPM | 6000 RPM | 3750 RPM |
| Torque | 570 Nm | 650 Nm |
| Torque RPM | 5000 RPM | 1600 RPM |
| Engine Bore Size | 89 mm | 83 mm |
| Engine Stroke Size | 79.5 mm | 95.5 mm |
| Engine Compression Ratio | 10.3:1 | 16.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 5.9 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 | 1716 kg | 1945 kg |
| Vehicle Length | 4720 mm | 5070 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1320 mm | 1450 mm |
| Wheelbase Size | 2750 mm | 2950 mm |
| Fuel Tank Capacity | 85 L | 90 L |
