2007 Aston Martin DB9 vs. 2009 Aston Martin V8 Vantage
To start off, 2009 Aston Martin V8 Vantage 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 30 more horse power than 2009 Aston Martin V8 Vantage. (420 HP @ 7300 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2009 Aston Martin V8 Vantage. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 65 kg more than 2009 Aston Martin V8 Vantage. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 101 more torque (in Nm) than 2009 Aston Martin V8 Vantage. (469 Nm @ 5000 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Aston Martin V8 Vantage. 2007 Aston Martin DB9 has automatic transmission and 2009 Aston Martin V8 Vantage has manual transmission. 2009 Aston Martin V8 Vantage will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Aston Martin DB9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Aston Martin DB9 | 2009 Aston Martin V8 Vantage | |
| Make | Aston Martin | Aston Martin |
| Model | DB9 | V8 Vantage |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4700 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 420 HP |
| Engine RPM | 6000 RPM | 7300 RPM |
| Torque | 570 Nm | 469 Nm |
| Torque RPM | 5000 RPM | 5000 RPM |
| Engine Bore Size | 89 mm | 89.1 mm |
| Engine Stroke Size | 79.5 mm | 86 mm |
| Engine Compression Ratio | 10.3:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.1 seconds | 5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1645 kg |
| Vehicle Length | 4720 mm | 4390 mm |
| Vehicle Width | 1890 mm | 1870 mm |
| Vehicle Height | 1320 mm | 1260 mm |
| Wheelbase Size | 2750 mm | 2610 mm |
| Fuel Consumption Highway | 13.1 L/100km | 12.4 L/100km |
| Fuel Consumption City | 18.1 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 17.2 L/100km |
| Fuel Tank Capacity | 80 L | 77 L |
