1971 Holden Monaro vs. 1966 Holden HD
To start off, 1971 Holden Monaro 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 4,141 cc (8 cylinders), 1971 Holden Monaro is equipped with a bigger engine. In terms of performance, 1971 Holden Monaro (182 HP @ 4400 RPM) has 60 more horse power than 1966 Holden HD. (122 HP @ 4600 RPM). In normal driving conditions, 1971 Holden Monaro should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 1971 Holden Monaro weights approximately 180 kg more than 1966 Holden HD. 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, 1971 Holden Monaro (356 Nm @ 2400 RPM) has 119 more torque (in Nm) than 1966 Holden HD. (237 Nm @ 2200 RPM). This means 1971 Holden Monaro will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 1971 Holden Monaro | 1966 Holden HD | |
| Make | Holden | Holden |
| Model | Monaro | HD |
| Year Released | 1971 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 4141 cc | 2930 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 182 HP | 122 HP |
| Engine RPM | 4400 RPM | 4600 RPM |
| Torque | 356 Nm | 237 Nm |
| Torque RPM | 2400 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1380 kg | 1200 kg |
| Vehicle Length | 4770 mm | 4580 mm |
| Vehicle Width | 1890 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1510 mm |
| Wheelbase Size | 2830 mm | 2700 mm |
