2006 Aston Martin DB9 vs. 2003 Porsche Cayenne
To start off, 2006 Aston Martin DB9 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 5,932 cc (12 cylinders), 2006 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2006 Aston Martin DB9 (450 HP @ 6000 RPM) has 203 more horse power than 2003 Porsche Cayenne. (247 HP @ 6000 RPM). In normal driving conditions, 2006 Aston Martin DB9 should accelerate faster than 2003 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 460 kg more than 2006 Aston Martin DB9.
Because 2003 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2006 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2003 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, 2006 Aston Martin DB9 (570 Nm @ 5000 RPM) has 260 more torque (in Nm) than 2003 Porsche Cayenne. (310 Nm @ 2500 RPM). This means 2006 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Cayenne.
Compare all specifications:
| 2006 Aston Martin DB9 | 2003 Porsche Cayenne | |
| Make | Aston Martin | Porsche |
| Model | DB9 | Cayenne |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 5932 cc | 3179 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 450 HP | 247 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 570 Nm | 310 Nm |
| Torque RPM | 5000 RPM | 2500 RPM |
| Engine Bore Size | 89.1 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 95.9 mm |
| Engine Compression Ratio | 10.3:1 | 11.5:1 |
| Acceleration 0-100mph | 5.1 seconds | 9.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1710 kg | 2170 kg |
| Vehicle Length | 4720 mm | 4790 mm |
| Vehicle Width | 1880 mm | 1930 mm |
| Vehicle Height | 1320 mm | 1710 mm |
| Wheelbase Size | 2750 mm | 2860 mm |
| Fuel Consumption Highway | 13.1 L/100km | 10.7 L/100km |
| Fuel Consumption City | 18.1 L/100km | 18.4 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 83 L | 100 L |
