2005 Jaguar XJ vs. 1973 Porsche 911
To start off, 2005 Jaguar XJ is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 4,195 cc (8 cylinders), 2005 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (390 HP @ 6000 RPM) has 164 more horse power than 1973 Porsche 911. (226 HP @ 6200 RPM). In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 835 kg more than 1973 Porsche 911. 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, 2005 Jaguar XJ (525 Nm) has 250 more torque (in Nm) than 1973 Porsche 911. (275 Nm). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911. 2005 Jaguar XJ has automatic transmission and 1973 Porsche 911 has manual transmission. 1973 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Jaguar XJ | 1973 Porsche 911 | |
| Make | Jaguar | Porsche |
| Model | XJ | 911 |
| Year Released | 2005 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4195 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 390 HP | 226 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 525 Nm | 275 Nm |
| Engine Bore Size | 86.1 mm | 95 mm |
| Engine Stroke Size | 90 mm | 70.4 mm |
| Engine Compression Ratio | 9.1:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1735 kg | 900 kg |
| Vehicle Length | 5100 mm | 4130 mm |
| Vehicle Width | 1950 mm | 1690 mm |
| Vehicle Height | 1450 mm | 1330 mm |
| Wheelbase Size | 2920 mm | 2270 mm |
| Fuel Tank Capacity | 84 L | 80 L |
