2009 Aston Martin DB9 vs. 2008 Audi S5
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 S5. In addition, the cost of maintenance, including insurance, on 2008 Audi S5 would be higher. At 5,933 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (510 HP @ 6500 RPM) has 156 more horse power than 2008 Audi S5. (354 HP @ 6800 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2008 Audi S5. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S5 weights approximately 5 kg more than 2009 Aston Martin DB9.
Because 2008 Audi S5 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 S5 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 (570 Nm @ 5750 RPM) has 129 more torque (in Nm) than 2008 Audi S5. (441 Nm @ 3500 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S5.
Compare all specifications:
| 2009 Aston Martin DB9 | 2008 Audi S5 | |
| Make | Aston Martin | Audi |
| Model | DB9 | S5 |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5933 cc | 4163 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 510 HP | 354 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 570 Nm | 441 Nm |
| Torque RPM | 5750 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84.5 mm |
| Engine Stroke Size | 79.5 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 305 km/hour | 249 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1765 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1990 mm |
| Vehicle Height | 1290 mm | 1380 mm |
| Wheelbase Size | 2750 mm | 2760 mm |
| Fuel Consumption Overall | 16.3 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 78 L | 63 L |
