2007 Aston Martin DB9 vs. 2006 Audi A4
To start off, 2007 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 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 (451 HP @ 5750 RPM) has 289 more horse power than 2006 Audi A4. (162 HP @ 5700 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 375 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 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, 2006 Audi A4 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 345 more torque (in Nm) than 2006 Audi A4. (225 Nm @ 1950 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2007 Aston Martin DB9 | 2006 Audi A4 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A4 |
| Year Released | 2007 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1781 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 451 HP | 162 HP |
| Engine RPM | 5750 RPM | 5700 RPM |
| Torque | 570 Nm | 225 Nm |
| Torque RPM | 5000 RPM | 1950 RPM |
| Engine Bore Size | 89 mm | 81 mm |
| Engine Stroke Size | 79.5 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 226 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 8.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1460 kg |
| Vehicle Length | 4720 mm | 4550 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1280 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2660 mm |
| Fuel Consumption Highway | 12.4 L/100km | 7.8 L/100km |
| Fuel Consumption City | 19.6 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 17.8 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 78 L | 70 L |
