1991 Jaguar XJS vs. 2007 Aston Martin DB9
To start off, 2007 Aston Martin DB9 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJS would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (451 HP @ 5750 RPM) has 160 more horse power than 1991 Jaguar XJS. (291 HP @ 5500 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 1991 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 95 kg more than 2007 Aston Martin DB9.
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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 130 more torque (in Nm) than 1991 Jaguar XJS. (440 Nm @ 3250 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1991 Jaguar XJS. 2007 Aston Martin DB9 has automatic transmission and 1991 Jaguar XJS has manual transmission. 1991 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Aston Martin DB9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Jaguar XJS | 2007 Aston Martin DB9 | |
| Make | Jaguar | Aston Martin |
| Model | XJS | DB9 |
| Year Released | 1991 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 5935 cc |
| Engine Cylinders | 12 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 291 HP | 451 HP |
| Engine RPM | 5500 RPM | 5750 RPM |
| Torque | 440 Nm | 570 Nm |
| Torque RPM | 3250 RPM | 5000 RPM |
| Engine Bore Size | 90 mm | 89 mm |
| Engine Stroke Size | 70 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1930 kg | 1835 kg |
| Vehicle Length | 4770 mm | 4720 mm |
| Vehicle Width | 1800 mm | 1880 mm |
| Vehicle Height | 1260 mm | 1280 mm |
| Wheelbase Size | 2600 mm | 2750 mm |
| Fuel Tank Capacity | 82 L | 78 L |
