1981 Jaguar XJS vs. 1993 Porsche 964
To start off, 1993 Porsche 964 is newer by 12 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 38 more horse power than 1993 Porsche 964. (261 HP @ 6100 RPM). In normal driving conditions, 1981 Jaguar XJS should accelerate faster than 1993 Porsche 964. With that said, vehicle weight also plays an important factor in acceleration. 1981 Jaguar XJS weights approximately 502 kg more than 1993 Porsche 964. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1993 Porsche 964 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 1993 Porsche 964 will offer significantly more control. 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 113 more torque (in Nm) than 1993 Porsche 964. (318 Nm @ 4800 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1993 Porsche 964. 1981 Jaguar XJS has automatic transmission and 1993 Porsche 964 has manual transmission. 1993 Porsche 964 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 | 1993 Porsche 964 | |
| Make | Jaguar | Porsche |
| Model | XJS | 964 |
| Year Released | 1981 | 1993 |
| Engine Position | Front | Rear |
| Engine Size | 5344 cc | 3600 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 299 HP | 261 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 431 Nm | 318 Nm |
| Torque RPM | 3000 RPM | 4800 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1707 kg | 1205 kg |
| Vehicle Length | 4880 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1270 mm | 1320 mm |
| Wheelbase Size | 2600 mm | 2280 mm |
| Fuel Tank Capacity | 90 L | 73 L |
