1957 AC Ace vs. 1976 Holden Sunbird
To start off, 1976 Holden Sunbird is newer by 19 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 5,044 cc (8 cylinders), 1976 Holden Sunbird is equipped with a bigger engine. In terms of performance, 1976 Holden Sunbird (247 HP @ 5000 RPM) has 124 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1976 Holden Sunbird should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1976 Holden Sunbird weights approximately 386 kg more than 1957 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, 1976 Holden Sunbird (436 Nm @ 3400 RPM) has 269 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 1976 Holden Sunbird will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 1976 Holden Sunbird | |
| Make | AC | Holden |
| Model | Ace | Sunbird |
| Year Released | 1957 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 5044 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 247 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 167 Nm | 436 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 894 kg | 1280 kg |
| Vehicle Length | 3850 mm | 4500 mm |
| Vehicle Width | 1520 mm | 1710 mm |
| Vehicle Height | 1250 mm | 1340 mm |
| Wheelbase Size | 2290 mm | 2590 mm |
