1966 Holden HD vs. 1968 Reliant Regal
To start off, 1968 Reliant Regal is newer by 2 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 93 more horse power than 1968 Reliant Regal. (29 HP @ 5000 RPM). In normal driving conditions, 1966 Holden HD should accelerate faster than 1968 Reliant Regal. With that said, vehicle weight also plays an important factor in acceleration. 1966 Holden HD weights approximately 745 kg more than 1968 Reliant Regal. 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 191 more torque (in Nm) than 1968 Reliant Regal. (46 Nm @ 2500 RPM). This means 1966 Holden HD will have an easier job in driving up hills or pulling heavy equipment than 1968 Reliant Regal.
Compare all specifications:
| 1966 Holden HD | 1968 Reliant Regal | |
| Make | Holden | Reliant |
| Model | HD | Regal |
| Year Released | 1966 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2930 cc | 700 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 122 HP | 29 HP |
| Engine RPM | 4600 RPM | 5000 RPM |
| Torque | 237 Nm | 46 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1200 kg | 455 kg |
| Vehicle Length | 4580 mm | 3440 mm |
| Vehicle Width | 1790 mm | 1490 mm |
| Vehicle Height | 1510 mm | 1450 mm |
| Wheelbase Size | 2700 mm | 1940 mm |
