1963 AC Greyhound vs. 1976 Holden Sunbird
To start off, 1976 Holden Sunbird is newer by 13 year(s). Which means there will be less support and parts availability for 1963 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1963 AC Greyhound 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 1963 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 1976 Holden Sunbird should accelerate faster than 1963 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 1976 Holden Sunbird weights approximately 265 kg more than 1963 AC Greyhound. 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) has 257 more torque (in Nm) than 1963 AC Greyhound. (179 Nm). This means 1976 Holden Sunbird will have an easier job in driving up hills or pulling heavy equipment than 1963 AC Greyhound.
Compare all specifications:
| 1963 AC Greyhound | 1976 Holden Sunbird | |
| Make | AC | Holden |
| Model | Greyhound | Sunbird |
| Year Released | 1963 | 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 | 5750 RPM | 5000 RPM |
| Torque | 179 Nm | 436 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1015 kg | 1280 kg |
| Vehicle Length | 4580 mm | 4500 mm |
| Vehicle Width | 1670 mm | 1710 mm |
| Vehicle Height | 1340 mm | 1340 mm |
| Wheelbase Size | 2550 mm | 2590 mm |
