1984 Porsche 944 vs. 2013 Jaguar XJ
To start off, 2013 Jaguar XJ is newer by 29 year(s). Which means there will be less support and parts availability for 1984 Porsche 944. In addition, the cost of maintenance, including insurance, on 1984 Porsche 944 would be higher. At 5,000 cc (4 cylinders), 2013 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2013 Jaguar XJ (380 HP @ 6500 RPM) has 235 more horse power than 1984 Porsche 944. (145 HP @ 5800 RPM) In normal driving conditions, 2013 Jaguar XJ should accelerate faster than 1984 Porsche 944. With that said, vehicle weight also plays an important factor in acceleration. 2013 Jaguar XJ weights approximately 525 kg more than 1984 Porsche 944. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Jaguar XJ is all wheel drive (AWD), it will have significant more traction and grip than 1984 Porsche 944. In wet, icy, snow, or gravel driving conditions, 2013 Jaguar XJ 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, 2013 Jaguar XJ (450 Nm @ 5000 RPM) has 255 more torque (in Nm) than 1984 Porsche 944. (195 Nm @ 3000 RPM). This means 2013 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1984 Porsche 944.
Compare all specifications:
| 1984 Porsche 944 | 2013 Jaguar XJ | |
| Make | Porsche | Jaguar |
| Model | 944 | XJ |
| Year Released | 1984 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2479 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | W |
| Horse Power | 145 HP | 380 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 195 Nm | 450 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Bore Size | 100 mm | 84 mm |
| Engine Stroke Size | 78.9 mm | 89 mm |
| Engine Compression Ratio | 9.7:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | AWD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1345 kg | 1870 kg |
| Vehicle Length | 4300 mm | 5252 mm |
| Vehicle Width | 1740 mm | 2105 mm |
| Vehicle Height | 1280 mm | 1456 mm |
| Wheelbase Size | 2410 mm | 3157 mm |
