1981 Reliant Kitten vs. 1954 Rover P4
To start off, 1981 Reliant Kitten is newer by 27 year(s). Which means there will be less support and parts availability for 1954 Rover P4. In addition, the cost of maintenance, including insurance, on 1954 Rover P4 would be higher. At 2,230 cc (6 cylinders), 1954 Rover P4 is equipped with a bigger engine. In terms of performance, 1954 Rover P4 (80 HP @ 4500 RPM) has 40 more horse power than 1981 Reliant Kitten. (40 HP @ 5500 RPM) In normal driving conditions, 1954 Rover P4 should accelerate faster than 1981 Reliant Kitten. With that said, vehicle weight also plays an important factor in acceleration. 1954 Rover P4 weights approximately 944 kg more than 1981 Reliant Kitten. 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, 1954 Rover P4 (153 Nm @ 1750 RPM) has 90 more torque (in Nm) than 1981 Reliant Kitten. (63 Nm @ 3500 RPM). This means 1954 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Reliant Kitten.
Compare all specifications:
| 1981 Reliant Kitten | 1954 Rover P4 | |
| Make | Reliant | Rover |
| Model | Kitten | P4 |
| Year Released | 1981 | 1954 |
| Engine Position | Front | Front |
| Engine Size | 848 cc | 2230 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 40 HP | 80 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 63 Nm | 153 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 62.5 mm | 73 mm |
| Engine Stroke Size | 69.1 mm | 88.9 mm |
| Engine Compression Ratio | 9.5:1 | 7.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 540 kg | 1484 kg |
| Vehicle Length | 3330 mm | 4540 mm |
| Vehicle Width | 1430 mm | 1670 mm |
| Vehicle Height | 1400 mm | 1630 mm |
| Wheelbase Size | 2150 mm | 2830 mm |
| Fuel Tank Capacity | 27 L | 52 L |
