2009 Aston Martin DB9 vs. 2004 Audi A4
To start off, 2009 Aston Martin DB9 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 5,935 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (464 HP @ 6000 RPM) has 263 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 150 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 8 more torque (in Nm) than 2009 Aston Martin DB9. (443 Nm @ 5000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Aston Martin DB9.
Compare all specifications:
| 2009 Aston Martin DB9 | 2004 Audi A4 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A4 |
| Year Released | 2009 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2967 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 464 HP | 201 HP |
| Engine RPM | 6000 RPM | 3500 RPM |
| Torque | 443 Nm | 451 Nm |
| Torque RPM | 5000 RPM | 1400 RPM |
| Engine Bore Size | 89.1 mm | 83 mm |
| Engine Stroke Size | 79.5 mm | 91.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1610 kg |
| Vehicle Length | 4710 mm | 4590 mm |
| Vehicle Width | 1880 mm | 1770 mm |
| Vehicle Height | 1320 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2430 mm |
| Fuel Consumption Highway | 13.9 L/100km | 5.8 L/100km |
| Fuel Consumption City | 21.4 L/100km | 10.3 L/100km |
| Fuel Consumption Overall | 18.1 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 85 L | 63 L |
