2007 Aston Martin DB9 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2007 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (450 HP @ 6000 RPM) has 6 more horse power than 2009 Audi A8. (444 HP @ 7000 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 230 kg more than 2007 Aston Martin DB9.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 30 more torque (in Nm) than 2009 Audi A8. (540 Nm @ 3500 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
2007 Aston Martin DB9 | 2009 Audi A8 | |
Make | Aston Martin | Audi |
Model | DB9 | A8 |
Year Released | 2007 | 2009 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 5935 cc | 5204 cc |
Engine Cylinders | 12 cylinders | 10 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 450 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 - Premium |
Top Speed | 300 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.1 seconds | 5.1 seconds |
Drive Type | Rear | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1710 kg | 1940 kg |
Vehicle Length | 4720 mm | 5070 mm |
Vehicle Width | 1890 mm | 1900 mm |
Vehicle Height | 1320 mm | 1430 mm |
Wheelbase Size | 2750 mm | 2950 mm |
Fuel Consumption Highway | 13.1 L/100km | 12.4 L/100km |
Fuel Consumption City | 18.1 L/100km | 18.2 L/100km |
Fuel Consumption Overall | 15.7 L/100km | 15.8 L/100km |
Fuel Tank Capacity | 80 L | 90 L |