1981 Jaguar XJS vs. 1991 Porsche 968
To start off, 1991 Porsche 968 is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1981 Jaguar XJS would be higher. At 5,344 cc (12 cylinders), 1981 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1981 Jaguar XJS (299 HP @ 5500 RPM) has 59 more horse power than 1991 Porsche 968. (240 HP @ 6200 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 1991 Porsche 968. With that said, vehicle weight also plays an important factor in acceleration. 1981 Jaguar XJS weights approximately 307 kg more than 1991 Porsche 968. 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, 1981 Jaguar XJS (431 Nm @ 3000 RPM) has 126 more torque (in Nm) than 1991 Porsche 968. (305 Nm @ 4100 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 968. 1981 Jaguar XJS has automatic transmission and 1991 Porsche 968 has manual transmission. 1991 Porsche 968 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Jaguar XJS will be easier to drive especially in heavy traffic.
Compare all specifications:
1981 Jaguar XJS | 1991 Porsche 968 | |
Make | Jaguar | Porsche |
Model | XJS | 968 |
Year Released | 1981 | 1991 |
Engine Position | Front | Front |
Engine Size | 5344 cc | 2990 cc |
Engine Cylinders | 12 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 299 HP | 240 HP |
Engine RPM | 5500 RPM | 6200 RPM |
Torque | 431 Nm | 305 Nm |
Torque RPM | 3000 RPM | 4100 RPM |
Engine Compression Ratio | 12.5:1 | 11.0:1 |
Top Speed | 240 km/hour | 250 km/hour |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1707 kg | 1400 kg |
Vehicle Length | 4880 mm | 4330 mm |
Vehicle Width | 1780 mm | 1740 mm |
Vehicle Height | 1270 mm | 1280 mm |
Wheelbase Size | 2600 mm | 2510 mm |
Fuel Tank Capacity | 90 L | 74 L |