2009 Aston Martin DB9 vs. 2008 Audi A4
To start off, 2009 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 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 (470 HP @ 6000 RPM) has 270 more horse power than 2008 Audi A4. (200 HP @ 5100 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 660 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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, 2008 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, 2009 Aston Martin DB9 (600 Nm @ 5000 RPM) has 318 more torque (in Nm) than 2008 Audi A4. (282 Nm @ 1800 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2008 Audi A4 has automatic transmission and 2009 Aston Martin DB9 has manual transmission. 2009 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Aston Martin DB9 | 2008 Audi A4 | |
| Make | Aston Martin | Audi |
| Model | DB9 | A4 |
| Year Released | 2009 | 2008 |
| 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 | 470 HP | 200 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 600 Nm | 282 Nm |
| Torque RPM | 5000 RPM | 1800 RPM |
| Engine Bore Size | 89 mm | 82.5 mm |
| Engine Stroke Size | 79.5 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1175 kg |
| Vehicle Length | 4720 mm | 4580 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1280 mm | 1400 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 | 10.7 L/100km |
| Fuel Consumption Overall | 16.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 78 L | 63 L |
