1991 Jaguar XJS vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 13 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 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (316 HP @ 8000 RPM) has 25 more horse power than 1991 Jaguar XJS. (291 HP @ 5500 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1991 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 515 kg more than 2004 Porsche 911.
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, 1991 Jaguar XJS (440 Nm) has 70 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 1991 Jaguar XJS | 2004 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJS | 911 |
| Year Released | 1991 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5342 cc | 3596 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 291 HP | 316 HP |
| Engine RPM | 5500 RPM | 8000 RPM |
| Torque | 440 Nm | 370 Nm |
| Engine Bore Size | 90 mm | 96 mm |
| Engine Stroke Size | 70 mm | 83 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1930 kg | 1415 kg |
| Vehicle Length | 4770 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1260 mm | 1310 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Tank Capacity | 82 L | 64 L |
