1990 Daihatsu Rocky vs. 1971 Nissan Sunny
To start off, 1990 Daihatsu Rocky is newer by 19 year(s). Which means there will be less support and parts availability for 1971 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1971 Nissan Sunny would be higher. At 2,765 cc (4 cylinders), 1990 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1990 Daihatsu Rocky (72 HP @ 3600 RPM) has 19 more horse power than 1971 Nissan Sunny. (53 HP @ 6000 RPM). In normal driving conditions, 1990 Daihatsu Rocky should accelerate faster than 1971 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1990 Daihatsu Rocky weights approximately 860 kg more than 1971 Nissan Sunny. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 Daihatsu Rocky (170 Nm @ 2200 RPM) has 75 more torque (in Nm) than 1971 Nissan Sunny. (95 Nm @ 4000 RPM). This means 1990 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1971 Nissan Sunny.
Compare all specifications:
| 1990 Daihatsu Rocky | 1971 Nissan Sunny | |
| Make | Daihatsu | Nissan |
| Model | Rocky | Sunny |
| Year Released | 1990 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 1171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 53 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 170 Nm | 95 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1560 kg | 700 kg |
| Vehicle Length | 4110 mm | 3840 mm |
| Vehicle Width | 1590 mm | 1500 mm |
| Vehicle Height | 1920 mm | 1400 mm |
| Wheelbase Size | 2540 mm | 2310 mm |
