1956 Rover P4 vs. 2013 Cadillac XTS
To start off, 2013 Cadillac XTS is newer by 57 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 3,564 cc (6 cylinders), 2013 Cadillac XTS is equipped with a bigger engine. In terms of performance, 2013 Cadillac XTS (314 HP @ 6800 RPM) has 206 more horse power than 1956 Rover P4. (108 HP @ 4250 RPM) In normal driving conditions, 2013 Cadillac XTS should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac XTS weights approximately 331 kg more than 1956 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1956 Rover P4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1956 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 2013 Cadillac XTS, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 Cadillac XTS (358 Nm @ 5200 RPM) has 152 more torque (in Nm) than 1956 Rover P4. (206 Nm @ 2500 RPM). This means 2013 Cadillac XTS will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4.
Compare all specifications:
| 1956 Rover P4 | 2013 Cadillac XTS | |
| Make | Rover | Cadillac |
| Model | P4 | XTS |
| Year Released | 1956 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2638 cc | 3564 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 314 HP |
| Engine RPM | 4250 RPM | 6800 RPM |
| Torque | 206 Nm | 358 Nm |
| Torque RPM | 2500 RPM | 5200 RPM |
| Engine Bore Size | 73 mm | 94 mm |
| Engine Stroke Size | 105 mm | 86 mm |
| Engine Compression Ratio | 8.5:1 | 11.5 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1486 kg | 1817 kg |
| Vehicle Length | 4530 mm | 5131 mm |
| Vehicle Width | 1670 mm | 1852 mm |
| Vehicle Height | 1320 mm | 1510 mm |
| Wheelbase Size | 2830 mm | 2831 mm |
| Fuel Tank Capacity | 52 L | 72 L |
