1981 BMW 725 vs. 2009 Jaguar XJ
To start off, 2009 Jaguar XJ is newer by 28 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 4,200 cc (8 cylinders), 2009 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2009 Jaguar XJ (297 HP @ 6000 RPM) has 149 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2009 Jaguar XJ should accelerate faster than 1981 BMW 725.
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, 2009 Jaguar XJ (310 Nm @ 4100 RPM) has 95 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2009 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 2009 Jaguar XJ | |
| Make | BMW | Jaguar |
| Model | 725 | XJ |
| Year Released | 1981 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 4200 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 297 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 215 Nm | 310 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Compression Ratio | 9.6:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4870 mm | 4970 mm |
| Vehicle Width | 1810 mm | 1950 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 3040 mm |
