2005 Audi A4 vs. 2008 Aston Martin DB9
To start off, 2008 Aston Martin DB9 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 5,935 cc (12 cylinders), 2008 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2008 Aston Martin DB9 (444 HP @ 6000 RPM) has 315 more horse power than 2005 Audi A4. (129 HP @ 4000 RPM) In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Aston Martin DB9 weights approximately 295 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2005 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, 2008 Aston Martin DB9 (571 Nm @ 5000 RPM) has 261 more torque (in Nm) than 2005 Audi A4. (310 Nm @ 1900 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2008 Aston Martin DB9 has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Aston Martin DB9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2008 Aston Martin DB9 | |
| Make | Audi | Aston Martin |
| Model | A4 | DB9 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5935 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 129 HP | 444 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 310 Nm | 571 Nm |
| Torque RPM | 1900 RPM | 5000 RPM |
| Engine Bore Size | 79.5 mm | 89 mm |
| Engine Stroke Size | 95.5 mm | 79.5 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 202 km/hour | 300 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 4.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1835 kg |
| Vehicle Length | 4550 mm | 4720 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2750 mm |
| Fuel Consumption Overall | 6.1 L/100km | 16.5 L/100km |
| Fuel Tank Capacity | 66 L | 78 L |
