1975 Mazda RX 4 Coupe vs. 1956 Rover P4
To start off, 1975 Mazda RX 4 Coupe is newer by 19 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 2,616 cc (2 cylinders), 1975 Mazda RX 4 Coupe is equipped with a bigger engine. In terms of performance, 1975 Mazda RX 4 Coupe (114 HP @ 6000 RPM) has 63 more horse power than 1956 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 270 kg more than 1975 Mazda RX 4 Coupe.
Let's talk about torque, 1975 Mazda RX 4 Coupe (165 Nm @ 4000 RPM) has 27 more torque (in Nm) than 1956 Rover P4. (138 Nm @ 2000 RPM). This means 1975 Mazda RX 4 Coupe will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4.
Compare all specifications:
| 1975 Mazda RX 4 Coupe | 1956 Rover P4 | |
| Make | Mazda | Rover |
| Model | RX 4 Coupe | P4 |
| Year Released | 1975 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1997 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 51 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 165 Nm | 138 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1380 kg |
| Vehicle Length | 4400 mm | 4550 mm |
| Vehicle Width | 1670 mm | 1680 mm |
| Vehicle Height | 1390 mm | 1620 mm |
| Wheelbase Size | 2520 mm | 2830 mm |
