1951 Jaguar XK vs. 1966 Jaguar 420G
To start off, 1966 Jaguar 420G is newer by 15 year(s). Which means there will be less support and parts availability for 1951 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1951 Jaguar XK would be higher. At 4,235 cc (6 cylinders), 1966 Jaguar 420G is equipped with a bigger engine. In terms of performance, 1966 Jaguar 420G (255 HP @ 5400 RPM) has 97 more horse power than 1951 Jaguar XK. (158 HP @ 5000 RPM) In normal driving conditions, 1966 Jaguar 420G should accelerate faster than 1951 Jaguar XK. With that said, vehicle weight also plays an important factor in acceleration. 1966 Jaguar 420G weights approximately 482 kg more than 1951 Jaguar XK. 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, 1966 Jaguar 420G (373 Nm @ 4000 RPM) has 83 more torque (in Nm) than 1951 Jaguar XK. (290 Nm @ 2500 RPM). This means 1966 Jaguar 420G will have an easier job in driving up hills or pulling heavy equipment than 1951 Jaguar XK.
Compare all specifications:
| 1951 Jaguar XK | 1966 Jaguar 420G | |
| Make | Jaguar | Jaguar |
| Model | XK | 420G |
| Year Released | 1951 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 3442 cc | 4235 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 255 HP |
| Engine RPM | 5000 RPM | 5400 RPM |
| Torque | 290 Nm | 373 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 92.1 mm |
| Engine Stroke Size | 106 mm | 106 mm |
| Top Speed | 201 km/hour | 198 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1296 kg | 1778 kg |
| Vehicle Length | 4430 mm | 5140 mm |
| Vehicle Width | 1570 mm | 1910 mm |
| Vehicle Height | 1340 mm | 1390 mm |
| Wheelbase Size | 2600 mm | 3050 mm |
| Fuel Tank Capacity | 63 L | 90 L |
