1978 Fiat Mirafiori vs. 1966 Holden HD
To start off, 1978 Fiat Mirafiori is newer by 12 year(s). Which means there will be less support and parts availability for 1966 Holden HD. In addition, the cost of maintenance, including insurance, on 1966 Holden HD would be higher. At 2,930 cc (6 cylinders), 1966 Holden HD is equipped with a bigger engine. In terms of performance, 1966 Holden HD (122 HP @ 4600 RPM) has 7 more horse power than 1978 Fiat Mirafiori. (115 HP @ 5800 RPM) In normal driving conditions, 1966 Holden HD should accelerate faster than 1978 Fiat Mirafiori. With that said, vehicle weight also plays an important factor in acceleration. 1966 Holden HD weights approximately 130 kg more than 1978 Fiat Mirafiori. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1966 Holden HD (237 Nm @ 2200 RPM) has 70 more torque (in Nm) than 1978 Fiat Mirafiori. (167 Nm @ 3600 RPM). This means 1966 Holden HD will have an easier job in driving up hills or pulling heavy equipment than 1978 Fiat Mirafiori.
Compare all specifications:
| 1978 Fiat Mirafiori | 1966 Holden HD | |
| Make | Fiat | Holden |
| Model | Mirafiori | HD |
| Year Released | 1978 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2930 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 122 HP |
| Engine RPM | 5800 RPM | 4600 RPM |
| Torque | 167 Nm | 237 Nm |
| Torque RPM | 3600 RPM | 2200 RPM |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1070 kg | 1200 kg |
| Vehicle Length | 4240 mm | 4580 mm |
| Vehicle Width | 1670 mm | 1790 mm |
| Vehicle Height | 1410 mm | 1510 mm |
| Wheelbase Size | 2450 mm | 2700 mm |
