1966 Holden HD vs. 1981 Holden Commodore
To start off, 1981 Holden Commodore is newer by 15 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 20 more horse power than 1981 Holden Commodore. (102 HP @ 4400 RPM). In normal driving conditions, 1966 Holden HD should accelerate faster than 1981 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1981 Holden Commodore weights approximately 20 kg more than 1966 Holden HD.
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 45 more torque (in Nm) than 1981 Holden Commodore. (192 Nm @ 2800 RPM). This means 1966 Holden HD will have an easier job in driving up hills or pulling heavy equipment than 1981 Holden Commodore.
Compare all specifications:
| 1966 Holden HD | 1981 Holden Commodore | |
| Make | Holden | Holden |
| Model | HD | Commodore |
| Year Released | 1966 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2930 cc | 2837 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 122 HP | 102 HP |
| Engine RPM | 4600 RPM | 4400 RPM |
| Torque | 237 Nm | 192 Nm |
| Torque RPM | 2200 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1200 kg | 1220 kg |
| Vehicle Length | 4580 mm | 4710 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1510 mm | 1370 mm |
| Wheelbase Size | 2700 mm | 2670 mm |
