2009 Aston Martin DB9 vs. 2009 Audi A4
To start off, both 2009 Aston Martin DB9 and 2009 Audi A4 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 264 more horse power than 2009 Audi A4. (200 HP @ 5100 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 730 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Aston Martin DB9 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Aston Martin DB9 (443 Nm @ 5000 RPM) has 162 more torque (in Nm) than 2009 Audi A4. (281 Nm @ 1800 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Aston Martin DB9 | 2009 Audi A4 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A4 |
| Year Released | 2009 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1984 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 464 HP | 200 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 443 Nm | 281 Nm |
| Torque RPM | 5000 RPM | 1800 RPM |
| Engine Bore Size | 89.1 mm | 82.5 mm |
| Engine Stroke Size | 79.5 mm | 92.8 mm |
| Engine Compression Ratio | 10.9:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1030 kg |
| Vehicle Length | 4710 mm | 4580 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1320 mm | 1400 mm |
| Wheelbase Size | 2750 mm | 2660 mm |
| Fuel Consumption Highway | 13.9 L/100km | 7.8 L/100km |
| Fuel Consumption City | 21.4 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 18.1 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
