1991 Daihatsu Rocky vs. 1963 Holden EJ
To start off, 1991 Daihatsu Rocky is newer by 28 year(s). Which means there will be less support and parts availability for 1963 Holden EJ. In addition, the cost of maintenance, including insurance, on 1963 Holden EJ would be higher. At 2,765 cc (4 cylinders), 1991 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1991 Daihatsu Rocky (72 HP @ 3600 RPM) has 8 more horse power than 1963 Holden EJ. (64 HP @ 4200 RPM). In normal driving conditions, 1991 Daihatsu Rocky should accelerate faster than 1963 Holden EJ. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 426 kg more than 1963 Holden EJ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1963 Holden EJ. In wet, icy, snow, or gravel driving conditions, 1991 Daihatsu Rocky will offer significantly more control. 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, 1991 Daihatsu Rocky (170 Nm @ 2200 RPM) has 7 more torque (in Nm) than 1963 Holden EJ. (163 Nm @ 1400 RPM). This means 1991 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1963 Holden EJ.
Compare all specifications:
| 1991 Daihatsu Rocky | 1963 Holden EJ | |
| Make | Daihatsu | Holden |
| Model | Rocky | EJ |
| Year Released | 1991 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 2262 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 64 HP |
| Engine RPM | 3600 RPM | 4200 RPM |
| Torque | 170 Nm | 163 Nm |
| Torque RPM | 2200 RPM | 1400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1560 kg | 1134 kg |
| Vehicle Length | 4110 mm | 4500 mm |
| Vehicle Width | 1590 mm | 1740 mm |
| Vehicle Height | 1920 mm | 1480 mm |
| Wheelbase Size | 2540 mm | 2680 mm |
