1955 Austin A 55 vs. 1957 Austin-Healey Sports Convertible
To start off, 1957 Austin-Healey Sports Convertible is newer by 2 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 2,993 cc (6 cylinders), 1957 Austin-Healey Sports Convertible is equipped with a bigger engine. In terms of performance, 1957 Austin-Healey Sports Convertible (105 HP @ 4200 RPM) has 54 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM) In normal driving conditions, 1957 Austin-Healey Sports Convertible should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1957 Austin-Healey Sports Convertible weights approximately 397 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, 1957 Austin-Healey Sports Convertible (190 Nm @ 2000 RPM) has 80 more torque (in Nm) than 1955 Austin A 55. (110 Nm @ 2000 RPM). This means 1957 Austin-Healey Sports Convertible 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 | 1957 Austin-Healey Sports Convertible | |
| Make | Austin | Austin-Healey |
| Model | A 55 | Sports Convertible |
| Year Released | 1955 | 1957 |
| Engine Size | 1489 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 51 HP | 105 HP |
| Engine RPM | 4250 RPM | 4200 RPM |
| Torque | 110 Nm | 190 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1055 kg | 1452 kg |
| Vehicle Length | 4250 mm | 4430 mm |
| Vehicle Width | 1570 mm | 1660 mm |
| Vehicle Height | 1570 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2600 mm |
