1956 Rover P4 vs. 1994 Rover 100
To start off, 1994 Rover 100 is newer by 38 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 2,636 cc (6 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 1956 Rover P4 (108 HP @ 4250 RPM) has 5 more horse power than 1994 Rover 100. (103 HP @ 6000 RPM). In normal driving conditions, 1956 Rover P4 should accelerate faster than 1994 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 578 kg more than 1994 Rover 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1956 Rover P4 (206 Nm @ 2500 RPM) has 71 more torque (in Nm) than 1994 Rover 100. (135 Nm @ 5000 RPM). This means 1956 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1994 Rover 100.
Compare all specifications:
| 1956 Rover P4 | 1994 Rover 100 | |
| Make | Rover | Rover |
| Model | P4 | 100 |
| Year Released | 1956 | 1994 |
| Engine Position | Front | Front |
| Engine Size | 2636 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 103 HP |
| Engine RPM | 4250 RPM | 6000 RPM |
| Torque | 206 Nm | 135 Nm |
| Torque RPM | 2500 RPM | 5000 RPM |
| Engine Bore Size | 73 mm | 75 mm |
| Engine Stroke Size | 105 mm | 79 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1448 kg | 870 kg |
| Vehicle Length | 4530 mm | 3530 mm |
| Vehicle Width | 1670 mm | 1570 mm |
| Vehicle Height | 1320 mm | 1380 mm |
