1971 Fiat 500 vs. 1966 Holden HD
To start off, 1971 Fiat 500 is newer by 5 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 104 more horse power than 1971 Fiat 500. (18 HP @ 4600 RPM) In normal driving conditions, 1966 Holden HD should accelerate faster than 1971 Fiat 500. With that said, vehicle weight also plays an important factor in acceleration. 1966 Holden HD weights approximately 690 kg more than 1971 Fiat 500. 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 210 more torque (in Nm) than 1971 Fiat 500. (27 Nm @ 3200 RPM). This means 1966 Holden HD will have an easier job in driving up hills or pulling heavy equipment than 1971 Fiat 500.
Compare all specifications:
| 1971 Fiat 500 | 1966 Holden HD | |
| Make | Fiat | Holden |
| Model | 500 | HD |
| Year Released | 1971 | 1966 |
| Engine Position | Rear | Front |
| Engine Size | 497 cc | 2930 cc |
| Engine Cylinders | 2 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 18 HP | 122 HP |
| Engine RPM | 4600 RPM | 4600 RPM |
| Torque | 27 Nm | 237 Nm |
| Torque RPM | 3200 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 510 kg | 1200 kg |
| Vehicle Length | 2980 mm | 4580 mm |
| Vehicle Width | 1330 mm | 1790 mm |
| Vehicle Height | 1330 mm | 1510 mm |
| Wheelbase Size | 1850 mm | 2700 mm |
