2004 Aston Martin DB9 vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 9 year(s). Which means there will be less support and parts availability for 2004 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2004 Aston Martin DB9 would be higher. At 5,930 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (493 HP @ 6500 RPM) has 43 more horse power than 2004 Aston Martin DB9. (450 HP @ 6000 RPM) In normal driving conditions, 2013 Porsche 911 should accelerate faster than 2004 Aston Martin DB9. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 140 kg more than 2013 Porsche 911.
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, 2013 Porsche 911 (649 Nm) has 79 more torque (in Nm) than 2004 Aston Martin DB9. (570 Nm). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Aston Martin DB9.
Compare all specifications:
| 2004 Aston Martin DB9 | 2013 Porsche 911 | |
| Make | Aston Martin | Porsche |
| Model | DB9 | 911 |
| Year Released | 2004 | 2013 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5930 cc | 3800 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 493 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 570 Nm | 649 Nm |
| Engine Bore Size | 89 mm | 102 mm |
| Engine Stroke Size | 80 mm | 77 mm |
| Engine Compression Ratio | 10.3:1 | 9.8 : 1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1570 kg |
| Vehicle Length | 4700 mm | 4450 mm |
| Vehicle Width | 1880 mm | 1852 mm |
| Vehicle Height | 1320 mm | 1300 mm |
| Wheelbase Size | 2750 mm | 2350 mm |
