1984 Daihatsu Rocky vs. 1963 Innocenti IM 3
To start off, 1984 Daihatsu Rocky is newer by 21 year(s). Which means there will be less support and parts availability for 1963 Innocenti IM 3. In addition, the cost of maintenance, including insurance, on 1963 Innocenti IM 3 would be higher. At 2,764 cc (4 cylinders), 1984 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1984 Daihatsu Rocky (72 HP @ 3600 RPM) has 16 more horse power than 1963 Innocenti IM 3. (56 HP @ 5500 RPM). In normal driving conditions, 1984 Daihatsu Rocky should accelerate faster than 1963 Innocenti IM 3. With that said, vehicle weight also plays an important factor in acceleration. 1984 Daihatsu Rocky weights approximately 590 kg more than 1963 Innocenti IM 3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1963 Innocenti IM 3. In wet, icy, snow, or gravel driving conditions, 1984 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, 1984 Daihatsu Rocky (170 Nm @ 2200 RPM) has 87 more torque (in Nm) than 1963 Innocenti IM 3. (83 Nm @ 2500 RPM). This means 1984 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1963 Innocenti IM 3.
Compare all specifications:
| 1984 Daihatsu Rocky | 1963 Innocenti IM 3 | |
| Make | Daihatsu | Innocenti |
| Model | Rocky | IM 3 |
| Year Released | 1984 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 2764 cc | 1098 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 56 HP |
| Engine RPM | 3600 RPM | 5500 RPM |
| Torque | 170 Nm | 83 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1480 kg | 890 kg |
| Vehicle Length | 3780 mm | 3760 mm |
| Vehicle Width | 1590 mm | 1570 mm |
| Vehicle Height | 1850 mm | 1380 mm |
| Wheelbase Size | 2210 mm | 2380 mm |
