1978 Daihatsu Delta vs. 1986 Daihatsu Rocky
To start off, 1986 Daihatsu Rocky is newer by 8 year(s). Which means there will be less support and parts availability for 1978 Daihatsu Delta. In addition, the cost of maintenance, including insurance, on 1978 Daihatsu Delta would be higher. At 1,997 cc (4 cylinders), 1986 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1978 Daihatsu Delta (91 HP @ 5000 RPM) has 4 more horse power than 1986 Daihatsu Rocky. (87 HP @ 4600 RPM). In normal driving conditions, 1978 Daihatsu Delta should accelerate faster than 1986 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1986 Daihatsu Rocky weights approximately 264 kg more than 1978 Daihatsu Delta.
Because 1986 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1978 Daihatsu Delta. In wet, icy, snow, or gravel driving conditions, 1986 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, 1986 Daihatsu Rocky (157 Nm @ 3000 RPM) has 10 more torque (in Nm) than 1978 Daihatsu Delta. (147 Nm @ 3400 RPM). This means 1986 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1978 Daihatsu Delta.
Compare all specifications:
| 1978 Daihatsu Delta | 1986 Daihatsu Rocky | |
| Make | Daihatsu | Daihatsu |
| Model | Delta | Rocky |
| Year Released | 1978 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1770 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 87 HP |
| Engine RPM | 5000 RPM | 4600 RPM |
| Torque | 147 Nm | 157 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1086 kg | 1350 kg |
| Vehicle Length | 4000 mm | 3780 mm |
| Vehicle Width | 1660 mm | 1590 mm |
| Vehicle Height | 1750 mm | 1850 mm |
| Wheelbase Size | 2200 mm | 2210 mm |
