2007 Jaguar XJ vs. 1981 Porsche 930
To start off, 2007 Jaguar XJ is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Porsche 930. In addition, the cost of maintenance, including insurance, on 1981 Porsche 930 would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ (300 HP @ 6000 RPM) has 4 more horse power than 1981 Porsche 930. (296 HP @ 5500 RPM). In normal driving conditions, 2007 Jaguar XJ should accelerate faster than 1981 Porsche 930. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jaguar XJ weights approximately 359 kg more than 1981 Porsche 930. 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, 1981 Porsche 930 (431 Nm @ 4000 RPM) has 11 more torque (in Nm) than 2007 Jaguar XJ. (420 Nm @ 4100 RPM). This means 1981 Porsche 930 will have an easier job in driving up hills or pulling heavy equipment than 2007 Jaguar XJ. 2007 Jaguar XJ has automatic transmission and 1981 Porsche 930 has manual transmission. 1981 Porsche 930 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jaguar XJ | 1981 Porsche 930 | |
| Make | Jaguar | Porsche |
| Model | XJ | 930 |
| Year Released | 2007 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4196 cc | 3297 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 300 HP | 296 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 420 Nm | 431 Nm |
| Torque RPM | 4100 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 97 mm |
| Engine Stroke Size | 90.3 mm | 74.4 mm |
| Engine Compression Ratio | 11.0:1 | 7.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1659 kg | 1300 kg |
| Vehicle Length | 5220 mm | 4300 mm |
| Vehicle Width | 1950 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1320 mm |
| Wheelbase Size | 3170 mm | 2510 mm |
