2005 Jaguar XJ vs. 2011 Aston Martin DB9
To start off, 2011 Aston Martin DB9 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2005 Jaguar XJ would be higher. At 5,900 cc (12 cylinders), 2011 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2011 Aston Martin DB9 (470 HP @ 6000 RPM) has 216 more horse power than 2005 Jaguar XJ. (254 HP @ 6250 RPM) In normal driving conditions, 2011 Aston Martin DB9 should accelerate faster than 2005 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2011 Aston Martin DB9 weights approximately 130 kg more than 2005 Jaguar XJ. 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, 2011 Aston Martin DB9 (600 Nm @ 5000 RPM) has 265 more torque (in Nm) than 2005 Jaguar XJ. (335 Nm @ 4200 RPM). This means 2011 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Jaguar XJ. 2005 Jaguar XJ has automatic transmission and 2011 Aston Martin DB9 has manual transmission. 2011 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Jaguar XJ | 2011 Aston Martin DB9 | |
| Make | Jaguar | Aston Martin |
| Model | XJ | DB9 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3555 cc | 5900 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 470 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 335 Nm | 600 Nm |
| Torque RPM | 4200 RPM | 5000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1684 kg | 1814 kg |
| Vehicle Length | 5100 mm | 4712 mm |
| Vehicle Width | 1870 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 3170 mm | 2741 mm |
| Fuel Tank Capacity | 85 L | 80 L |
