2009 Aston Martin DB9 vs. 2011 Porsche Cayman
To start off, 2011 Porsche Cayman 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 5,935 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (470 HP @ 6000 RPM) has 205 more horse power than 2011 Porsche Cayman. (265 HP @ 7200 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2011 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 560 kg more than 2011 Porsche Cayman. 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, 2009 Aston Martin DB9 (601 Nm @ 5000 RPM) has 302 more torque (in Nm) than 2011 Porsche Cayman. (299 Nm @ 4400 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche Cayman. 2009 Aston Martin DB9 has automatic transmission and 2011 Porsche Cayman has manual transmission. 2011 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Aston Martin DB9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Aston Martin DB9 | 2011 Porsche Cayman | |
| Make | Aston Martin | Porsche |
| Model | DB9 | Cayman |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5935 cc | 2900 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 470 HP | 265 HP |
| Engine RPM | 6000 RPM | 7200 RPM |
| Torque | 601 Nm | 299 Nm |
| Torque RPM | 5000 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1890 kg | 1330 kg |
| Vehicle Length | 4720 mm | 4376 mm |
| Vehicle Width | 1880 mm | 1801 mm |
| Vehicle Height | 1320 mm | 1303 mm |
| Wheelbase Size | 2750 mm | 2416 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.7 L/100km |
| Fuel Consumption City | 19.6 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
