2006 Jaguar XKR vs. 1951 Rover P4
To start off, 2006 Jaguar XKR is newer by 55 year(s). Which means there will be less support and parts availability for 1951 Rover P4. In addition, the cost of maintenance, including insurance, on 1951 Rover P4 would be higher. At 4,196 cc (8 cylinders), 2006 Jaguar XKR is equipped with a bigger engine. In terms of performance, 2006 Jaguar XKR (391 HP @ 3500 RPM) has 316 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 2006 Jaguar XKR should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XKR weights approximately 455 kg more than 1951 Rover P4. 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, 2006 Jaguar XKR (542 Nm @ 3500 RPM) has 392 more torque (in Nm) than 1951 Rover P4. (150 Nm @ 2500 RPM). This means 2006 Jaguar XKR will have an easier job in driving up hills or pulling heavy equipment than 1951 Rover P4.
Compare all specifications:
| 2006 Jaguar XKR | 1951 Rover P4 | |
| Make | Jaguar | Rover |
| Model | XKR | P4 |
| Year Released | 2006 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 2103 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 391 HP | 75 HP |
| Engine RPM | 3500 RPM | 4200 RPM |
| Torque | 542 Nm | 150 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 65.2 mm |
| Engine Stroke Size | 90.3 mm | 105 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1845 kg | 1390 kg |
| Vehicle Length | 4770 mm | 4590 mm |
| Vehicle Width | 1840 mm | 1670 mm |
| Vehicle Height | 1310 mm | 1620 mm |
| Wheelbase Size | 2590 mm | 2830 mm |
| Fuel Tank Capacity | 75 L | 52 L |
