2004 Aston Martin DB9 vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 7 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, 2004 Aston Martin DB9 (450 HP @ 6000 RPM) has 105 more horse power than 2011 Porsche 911. (345 HP @ 6500 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2011 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 230 kg more than 2011 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2011 Porsche 911 will offer significantly more control. 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, 2004 Aston Martin DB9 (570 Nm) has 180 more torque (in Nm) than 2011 Porsche 911. (390 Nm). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche 911.
Compare all specifications:
| 2004 Aston Martin DB9 | 2011 Porsche 911 | |
| Make | Aston Martin | Porsche |
| Model | DB9 | 911 |
| Year Released | 2004 | 2011 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5930 cc | 3600 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 345 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 570 Nm | 390 Nm |
| Drive Type | Rear | AWD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1480 kg |
| Vehicle Length | 4700 mm | 4460 mm |
| Vehicle Width | 1880 mm | 1852 mm |
| Vehicle Height | 1320 mm | 1311 mm |
| Wheelbase Size | 2750 mm | 2350 mm |
| Fuel Tank Capacity | 85 L | 67 L |
