2009 Aston Martin DB9 vs. 2008 Audi Q7
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 Q7. In addition, the cost of maintenance, including insurance, on 2008 Audi Q7 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 234 more horse power than 2008 Audi Q7. (276 HP @ 6200 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2008 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi Q7 weights approximately 480 kg more than 2009 Aston Martin DB9.
Because 2008 Audi Q7 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 Q7 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 210 more torque (in Nm) than 2008 Audi Q7. (360 Nm @ 2500 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi Q7. 2008 Audi Q7 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 Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Aston Martin DB9 | 2008 Audi Q7 | |
| Make | Aston Martin | Audi |
| Model | DB9 | Q7 |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5933 cc | 3595 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 510 HP | 276 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 570 Nm | 360 Nm |
| Torque RPM | 5750 RPM | 2500 RPM |
| Engine Compression Ratio | 10.9:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 305 km/hour | 220 km/hour |
| Acceleration 0-100mph | 4.5 seconds | 8.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1760 kg | 2240 kg |
| Vehicle Length | 4730 mm | 5090 mm |
| Vehicle Width | 1910 mm | 1990 mm |
| Vehicle Height | 1290 mm | 1740 mm |
| Wheelbase Size | 2750 mm | 3010 mm |
| Fuel Consumption City | 19.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 16.3 L/100km | 13 L/100km |
| Fuel Tank Capacity | 78 L | 100 L |
