2008 Aston Martin DB9 vs. 2004 Porsche 911
To start off, 2008 Aston Martin DB9 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 5,935 cc (12 cylinders), 2008 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2008 Aston Martin DB9 (444 HP @ 6000 RPM) has 129 more horse power than 2004 Porsche 911. (315 HP @ 6000 RPM). In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 Aston Martin DB9 weights approximately 493 kg more than 2004 Porsche 911. 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, 2008 Aston Martin DB9 (571 Nm) has 201 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2008 Aston Martin DB9 | 2004 Porsche 911 | |
| Make | Aston Martin | Porsche |
| Model | DB9 | 911 |
| Year Released | 2008 | 2004 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5935 cc | 3596 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 315 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 571 Nm | 370 Nm |
| Engine Bore Size | 89 mm | 96 mm |
| Engine Stroke Size | 79.5 mm | 83 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1342 kg |
| Vehicle Length | 4720 mm | 4440 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1280 mm | 1310 mm |
| Wheelbase Size | 2750 mm | 2360 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.2 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 16.5 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 78 L | 64 L |
