1991 Jaguar XJS vs. 2012 Porsche 911
To start off, 2012 Porsche 911 is newer by 21 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 3,600 cc (6 cylinders), 2012 Porsche 911 is equipped with a bigger engine. In terms of performance, 2012 Porsche 911 (620 HP @ 6500 RPM) has 403 more horse power than 1991 Jaguar XJS. (217 HP @ 5300 RPM) In normal driving conditions, 2012 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 237 kg more than 2012 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, 2012 Porsche 911 (699 Nm @ 2250 RPM) has 374 more torque (in Nm) than 1991 Jaguar XJS. (325 Nm @ 4000 RPM). This means 2012 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Jaguar XJS.
Compare all specifications:
| 1991 Jaguar XJS | 2012 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJS | 911 |
| Year Released | 1991 | 2012 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3590 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 620 HP |
| Engine RPM | 5300 RPM | 6500 RPM |
| Torque | 325 Nm | 699 Nm |
| Torque RPM | 4000 RPM | 2250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1632 kg | 1395 kg |
| Vehicle Length | 4880 mm | 4468 mm |
| Vehicle Width | 1800 mm | 1852 mm |
| Vehicle Height | 1270 mm | 1285 mm |
| Wheelbase Size | 2600 mm | 2350 mm |
| Fuel Tank Capacity | 90 L | 67 L |
