1956 AC Ace vs. 1954 Austin Princess
To start off, 1956 AC Ace is newer by 2 year(s). Which means there will be less support and parts availability for 1954 Austin Princess. In addition, the cost of maintenance, including insurance, on 1954 Austin Princess would be higher. At 3,993 cc (6 cylinders), 1954 Austin Princess is equipped with a bigger engine. In terms of performance, 1956 AC Ace (123 HP @ 6000 RPM) has 5 more horse power than 1954 Austin Princess. (118 HP @ 4000 RPM). In normal driving conditions, 1956 AC Ace should accelerate faster than 1954 Austin Princess. With that said, vehicle weight also plays an important factor in acceleration. 1954 Austin Princess weights approximately 1286 kg more than 1956 AC Ace.
Let's talk about torque, 1954 Austin Princess (252 Nm) has 85 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1954 Austin Princess will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1954 Austin Princess | |
| Make | AC | Austin |
| Model | Ace | Princess |
| Year Released | 1956 | 1954 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 123 HP | 118 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 167 Nm | 252 Nm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 894 kg | 2180 kg |
| Vehicle Length | 3850 mm | 5470 mm |
| Vehicle Width | 1520 mm | 1900 mm |
| Vehicle Height | 1250 mm | 1780 mm |
| Wheelbase Size | 2290 mm | 3360 mm |
