1990 Daihatsu Rocky vs. 1981 Nissan Sunny
To start off, 1990 Daihatsu Rocky is newer by 9 year(s). Which means there will be less support and parts availability for 1981 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1981 Nissan Sunny would be higher. At 2,765 cc (4 cylinders), 1990 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1981 Nissan Sunny (74 HP @ 5600 RPM) has 2 more horse power than 1990 Daihatsu Rocky. (72 HP @ 3600 RPM) In normal driving conditions, 1981 Nissan Sunny should accelerate faster than 1990 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1990 Daihatsu Rocky weights approximately 745 kg more than 1981 Nissan Sunny.
Let's talk about torque, 1990 Daihatsu Rocky (170 Nm @ 2200 RPM) has 47 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 1990 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1990 Daihatsu Rocky | 1981 Nissan Sunny | |
| Make | Daihatsu | Nissan |
| Model | Rocky | Sunny |
| Year Released | 1990 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 1487 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 74 HP |
| Engine RPM | 3600 RPM | 5600 RPM |
| Torque | 170 Nm | 123 Nm |
| Torque RPM | 2200 RPM | 2800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1560 kg | 815 kg |
| Vehicle Length | 4110 mm | 4140 mm |
| Vehicle Width | 1590 mm | 1650 mm |
| Vehicle Height | 1920 mm | 1400 mm |
| Wheelbase Size | 2540 mm | 2410 mm |
