2002 Jaguar XJ8 vs. 1968 Opel Diplomat
To start off, 2002 Jaguar XJ8 is newer by 34 year(s). Which means there will be less support and parts availability for 1968 Opel Diplomat. In addition, the cost of maintenance, including insurance, on 1968 Opel Diplomat would be higher. At 5,354 cc (8 cylinders), 1968 Opel Diplomat is equipped with a bigger engine. In terms of performance, 2002 Jaguar XJ8 (300 HP @ 6000 RPM) has 73 more horse power than 1968 Opel Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 2002 Jaguar XJ8 should accelerate faster than 1968 Opel Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 75 kg more than 2002 Jaguar XJ8.
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, 1968 Opel Diplomat (427 Nm @ 3000 RPM) has 7 more torque (in Nm) than 2002 Jaguar XJ8. (420 Nm @ 4100 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2002 Jaguar XJ8.
Compare all specifications:
| 2002 Jaguar XJ8 | 1968 Opel Diplomat | |
| Make | Jaguar | Opel |
| Model | XJ8 | Diplomat |
| Year Released | 2002 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 5354 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 300 HP | 227 HP |
| Engine RPM | 6000 RPM | 4700 RPM |
| Torque | 420 Nm | 427 Nm |
| Torque RPM | 4100 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 101.6 mm |
| Engine Stroke Size | 90.3 mm | 82.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 250 km/hour | 202 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 10.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1690 kg |
| Vehicle Length | 5100 mm | 4960 mm |
| Vehicle Width | 1870 mm | 1910 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2920 mm | 2850 mm |
| Fuel Tank Capacity | 85 L | 80 L |
