2008 Aston Martin DB9 vs. 2007 Audi S8
To start off, 2008 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi S8. In addition, the cost of maintenance, including insurance, on 2007 Audi S8 would be higher. At 5,934 cc (12 cylinders), 2008 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, both vehicles can yield 444 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 50 kg more than 2008 Aston Martin DB9.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2008 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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 (570 Nm @ 5000 RPM) has 30 more torque (in Nm) than 2007 Audi S8. (540 Nm @ 3500 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S8. 2007 Audi S8 has automatic transmission and 2008 Aston Martin DB9 has manual transmission. 2008 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Aston Martin DB9 | 2007 Audi S8 | |
| Make | Aston Martin | Audi |
| Model | DB9 | S8 |
| Year Released | 2008 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 5204 cc |
| Engine Cylinders | 12 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 444 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 570 Nm | 540 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84.5 mm |
| Engine Stroke Size | 79.5 mm | 92.8 mm |
| Engine Compression Ratio | 10.3:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 264 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 5.1 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1940 kg |
| Vehicle Length | 4720 mm | 5070 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1270 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2950 mm |
| Fuel Consumption Overall | 17.4 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 78 L | 90 L |
