2004 Aston Martin DB7 vs. 2007 Aston Martin DB9
To start off, 2007 Aston Martin DB9 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Aston Martin DB7. In addition, the cost of maintenance, including insurance, on 2004 Aston Martin DB7 would be higher. Both 2004 Aston Martin DB7 and 2007 Aston Martin DB9 are equipped with a 5,935 cc engine. In terms of performance, 2007 Aston Martin DB9 (450 HP @ 6000 RPM) has 36 more horse power than 2004 Aston Martin DB7. (414 HP @ 6000 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2004 Aston Martin DB7. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB7 weights approximately 168 kg more than 2007 Aston Martin DB9.
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 20 more torque (in Nm) than 2004 Aston Martin DB7. (550 Nm @ 5000 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Aston Martin DB7. 2007 Aston Martin DB9 has automatic transmission and 2004 Aston Martin DB7 has manual transmission. 2004 Aston Martin DB7 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:
| 2004 Aston Martin DB7 | 2007 Aston Martin DB9 | |
| Make | Aston Martin | Aston Martin |
| Model | DB7 | DB9 |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 5935 cc |
| Engine Cylinders | 12 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 450 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 550 Nm | 570 Nm |
| Torque RPM | 5000 RPM | 5000 RPM |
| Engine Bore Size | 89 mm | 89 mm |
| Engine Stroke Size | 79.5 mm | 79.5 mm |
| Engine Compression Ratio | 10.3:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1878 kg | 1710 kg |
| Vehicle Length | 4720 mm | 4720 mm |
| Vehicle Width | 1830 mm | 1890 mm |
| Vehicle Height | 1270 mm | 1320 mm |
| Wheelbase Size | 2600 mm | 2750 mm |
| Fuel Tank Capacity | 89 L | 80 L |
