1981 Jaguar XJS vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 30 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, 2011 Porsche 911 (435 HP @ 7600 RPM) has 136 more horse power than 1981 Jaguar XJS. (299 HP @ 5500 RPM) In normal driving conditions, 2011 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 312 kg more than 2011 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, 1981 Jaguar XJS (431 Nm @ 3000 RPM) has 2 more torque (in Nm) than 2011 Porsche 911. (429 Nm @ 6250 RPM). This means 1981 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche 911. 1981 Jaguar XJS has automatic transmission and 2011 Porsche 911 has manual transmission. 2011 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 | 2011 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJS | 911 |
| Year Released | 1981 | 2011 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5344 cc | 3800 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 299 HP | 435 HP |
| Engine RPM | 5500 RPM | 7600 RPM |
| Torque | 431 Nm | 429 Nm |
| Torque RPM | 3000 RPM | 6250 RPM |
| 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 | 1395 kg |
| Vehicle Length | 4880 mm | 4465 mm |
| Vehicle Width | 1780 mm | 1808 mm |
| Vehicle Height | 1270 mm | 1280 mm |
| Wheelbase Size | 2600 mm | 2355 mm |
| Fuel Tank Capacity | 90 L | 67 L |
