1966 Holden HD vs. 1974 Mazda 616
To start off, 1974 Mazda 616 is newer by 8 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 43 more horse power than 1974 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 1966 Holden HD should accelerate faster than 1974 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 1966 Holden HD weights approximately 288 kg more than 1974 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1966 Holden HD (237 Nm @ 2200 RPM) has 113 more torque (in Nm) than 1974 Mazda 616. (124 Nm @ 3500 RPM). This means 1966 Holden HD will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 616.
Compare all specifications:
| 1966 Holden HD | 1974 Mazda 616 | |
| Make | Holden | Mazda |
| Model | HD | 616 |
| Year Released | 1966 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2930 cc | 1586 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 122 HP | 79 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 237 Nm | 124 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1200 kg | 912 kg |
| Vehicle Length | 4580 mm | 4160 mm |
| Vehicle Width | 1790 mm | 1590 mm |
| Vehicle Height | 1510 mm | 1400 mm |
| Wheelbase Size | 2700 mm | 2480 mm |
