1956 AC Ace vs. 1971 Holden Monaro
To start off, 1971 Holden Monaro is newer by 15 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 5,733 cc (8 cylinders), 1971 Holden Monaro is equipped with a bigger engine. In terms of performance, 1971 Holden Monaro (271 HP @ 4800 RPM) has 197 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1971 Holden Monaro should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1971 Holden Monaro weights approximately 496 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, 1971 Holden Monaro (490 Nm) has 323 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1971 Holden Monaro will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1971 Holden Monaro | |
| Make | AC | Holden |
| Model | Ace | Monaro |
| Year Released | 1956 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 271 HP |
| Engine RPM | 4500 RPM | 4800 RPM |
| Torque | 167 Nm | 490 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 894 kg | 1390 kg |
| Vehicle Length | 3850 mm | 4770 mm |
| Vehicle Width | 1520 mm | 1890 mm |
| Vehicle Height | 1250 mm | 1360 mm |
| Wheelbase Size | 2290 mm | 2830 mm |
