1981 Jaguar XJS vs. 1992 Porsche 911
To start off, 1992 Porsche 911 is newer by 11 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, 1992 Porsche 911 (355 HP @ 5550 RPM) has 56 more horse power than 1981 Jaguar XJS. (299 HP @ 5500 RPM) In normal driving conditions, 1992 Porsche 911 should accelerate faster than 1981 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1981 Jaguar XJS weights approximately 237 kg more than 1992 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, 1992 Porsche 911 (520 Nm @ 4200 RPM) has 89 more torque (in Nm) than 1981 Jaguar XJS. (431 Nm @ 3000 RPM). This means 1992 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 Jaguar XJS. 1981 Jaguar XJS has automatic transmission and 1992 Porsche 911 has manual transmission. 1992 Porsche 911 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 | 1992 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJS | 911 |
| Year Released | 1981 | 1992 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5344 cc | 3594 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 299 HP | 355 HP |
| Engine RPM | 5500 RPM | 5550 RPM |
| Torque | 431 Nm | 520 Nm |
| Torque RPM | 3000 RPM | 4200 RPM |
| Engine Compression Ratio | 12.5:1 | 7.5:1 |
| Top Speed | 240 km/hour | 280 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 4.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1707 kg | 1470 kg |
| Vehicle Length | 4880 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1270 mm | 1310 mm |
| Wheelbase Size | 2600 mm | 2270 mm |
| Fuel Tank Capacity | 90 L | 78 L |
