1956 AC Ace vs. 1964 Austin Princess
To start off, 1964 Austin Princess is newer by 8 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 AC Ace would be higher. At 3,993 cc (6 cylinders), 1964 Austin Princess is equipped with a bigger engine. In terms of performance, 1964 Austin Princess (119 HP @ 4000 RPM) has 45 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1964 Austin Princess should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1964 Austin Princess weights approximately 1286 kg more than 1956 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1964 Austin Princess (251 Nm) has 84 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1964 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 | 1964 Austin Princess | |
| Make | AC | Austin |
| Model | Ace | Princess |
| Year Released | 1956 | 1964 |
| 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 | 74 HP | 119 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 167 Nm | 251 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| 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 |
| Fuel Tank Capacity | 59 L | 72 L |
