2009 Aston Martin DB9 vs. 2011 Porsche Cayenne
To start off, 2011 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2009 Aston Martin DB9 would be higher. At 5,933 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (510 HP @ 6500 RPM) has 210 more horse power than 2011 Porsche Cayenne. (300 HP @ 6300 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2011 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche Cayenne weights approximately 235 kg more than 2009 Aston Martin DB9.
Because 2011 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2009 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2011 Porsche Cayenne 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, 2009 Aston Martin DB9 (570 Nm @ 5750 RPM) has 170 more torque (in Nm) than 2011 Porsche Cayenne. (400 Nm @ 3000 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche Cayenne.
Compare all specifications:
| 2009 Aston Martin DB9 | 2011 Porsche Cayenne | |
| Make | Aston Martin | Porsche |
| Model | DB9 | Cayenne |
| Year Released | 2009 | 2011 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5933 cc | 3600 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 510 HP | 300 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 570 Nm | 400 Nm |
| Torque RPM | 5750 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1995 kg |
| Vehicle Length | 4730 mm | 4846 mm |
| Vehicle Width | 1910 mm | 1938 mm |
| Vehicle Height | 1290 mm | 1712 mm |
| Wheelbase Size | 2750 mm | 2896 mm |
| Fuel Consumption Highway | 12.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 19.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 78 L | 85 L |
