2008 Aston Martin DB9 vs. 2006 Porsche 911
To start off, 2008 Aston Martin DB9 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Porsche 911. In addition, the cost of maintenance, including insurance, on 2006 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 89 more horse power than 2006 Porsche 911. (355 HP @ 6600 RPM). In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2006 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 Aston Martin DB9 weights approximately 380 kg more than 2006 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 @ 5000 RPM) has 171 more torque (in Nm) than 2006 Porsche 911. (400 Nm @ 4600 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche 911.
Compare all specifications:
| 2008 Aston Martin DB9 | 2006 Porsche 911 | |
| Make | Aston Martin | Porsche |
| Model | DB9 | 911 |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5935 cc | 3818 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 355 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 571 Nm | 400 Nm |
| Torque RPM | 5000 RPM | 4600 RPM |
| Engine Bore Size | 89 mm | 100.1 mm |
| Engine Stroke Size | 79.5 mm | 76 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1455 kg |
| Vehicle Length | 4720 mm | 4470 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1280 mm | 1310 mm |
| Wheelbase Size | 2750 mm | 2360 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 16.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 78 L | 67 L |
