1956 AC Ace vs. 1955 Austin A 55
To start off, 1956 AC Ace is newer by 1 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 1,971 cc (6 cylinders), 1956 AC Ace is equipped with a bigger engine. In terms of performance, 1956 AC Ace (123 HP @ 6000 RPM) has 72 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM). In normal driving conditions, 1956 AC Ace should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1955 Austin A 55 weights approximately 161 kg more than 1956 AC Ace.
Let's talk about torque, 1956 AC Ace (167 Nm) has 57 more torque (in Nm) than 1955 Austin A 55. (110 Nm). This means 1956 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1955 Austin A 55.
Compare all specifications:
| 1956 AC Ace | 1955 Austin A 55 | |
| Make | AC | Austin |
| Model | Ace | A 55 |
| Year Released | 1956 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1489 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 123 HP | 51 HP |
| Engine RPM | 6000 RPM | 4250 RPM |
| Torque | 167 Nm | 110 Nm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 894 kg | 1055 kg |
| Vehicle Length | 3850 mm | 4250 mm |
| Vehicle Width | 1520 mm | 1570 mm |
| Vehicle Height | 1250 mm | 1570 mm |
| Wheelbase Size | 2290 mm | 2530 mm |
