1955 Austin A 55 vs. 1975 Mazda RX 4 Coupe
To start off, 1975 Mazda RX 4 Coupe is newer by 20 year(s). Which means there will be less support and parts availability for 1955 Austin A 55. In addition, the cost of maintenance, including insurance, on 1955 Austin A 55 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 1955 Austin A 55. (51 HP @ 4250 RPM) In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda RX 4 Coupe weights approximately 55 kg more than 1955 Austin A 55. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Mazda RX 4 Coupe (165 Nm @ 4000 RPM) has 55 more torque (in Nm) than 1955 Austin A 55. (110 Nm @ 2000 RPM). This means 1975 Mazda RX 4 Coupe will have an easier job in driving up hills or pulling heavy equipment than 1955 Austin A 55.
Compare all specifications:
| 1955 Austin A 55 | 1975 Mazda RX 4 Coupe | |
| Make | Austin | Mazda |
| Model | A 55 | RX 4 Coupe |
| Year Released | 1955 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1489 cc | 2616 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 114 HP |
| Engine RPM | 4250 RPM | 6000 RPM |
| Torque | 110 Nm | 165 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1055 kg | 1110 kg |
| Vehicle Length | 4250 mm | 4400 mm |
| Vehicle Width | 1570 mm | 1670 mm |
| Vehicle Height | 1570 mm | 1390 mm |
| Wheelbase Size | 2530 mm | 2520 mm |
