1981 Porsche 944 vs. 2010 Jaguar XJ
To start off, 2010 Jaguar XJ is newer by 29 year(s). Which means there will be less support and parts availability for 1981 Porsche 944. In addition, the cost of maintenance, including insurance, on 1981 Porsche 944 would be higher. At 2,966 cc (6 cylinders), 2010 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2010 Jaguar XJ (235 HP @ 6800 RPM) has 90 more horse power than 1981 Porsche 944. (145 HP @ 5800 RPM) In normal driving conditions, 2010 Jaguar XJ should accelerate faster than 1981 Porsche 944. With that said, vehicle weight also plays an important factor in acceleration. 2010 Jaguar XJ weights approximately 269 kg more than 1981 Porsche 944. 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, 2010 Jaguar XJ (293 Nm @ 4100 RPM) has 98 more torque (in Nm) than 1981 Porsche 944. (195 Nm @ 3000 RPM). This means 2010 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 944.
Compare all specifications:
| 1981 Porsche 944 | 2010 Jaguar XJ | |
| Make | Porsche | Jaguar |
| Model | 944 | XJ |
| Year Released | 1981 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2479 cc | 2966 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 235 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 195 Nm | 293 Nm |
| Torque RPM | 3000 RPM | 4100 RPM |
| Engine Bore Size | 100 mm | 89 mm |
| Engine Stroke Size | 78.9 mm | 79.5 mm |
| Engine Compression Ratio | 9.7:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1345 kg | 1614 kg |
| Vehicle Length | 4300 mm | 5100 mm |
| Vehicle Width | 1740 mm | 1870 mm |
| Vehicle Height | 1280 mm | 1450 mm |
| Wheelbase Size | 2410 mm | 3040 mm |
