1984 Daihatsu Rocky vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 2 year(s). Which means there will be less support and parts availability for 1984 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1984 Daihatsu Rocky would be higher. At 2,765 cc (4 cylinders), 1984 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1984 Daihatsu Rocky (87 HP @ 3600 RPM) has 12 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1984 Daihatsu Rocky should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1984 Daihatsu Rocky weights approximately 605 kg more than 1986 Renault 21. 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 1986 Renault 21. 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 (211 Nm @ 2200 RPM) has 82 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 1984 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1984 Daihatsu Rocky | 1986 Renault 21 | |
| Make | Daihatsu | Renault |
| Model | Rocky | 21 |
| Year Released | 1984 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 75 HP |
| Engine RPM | 3600 RPM | 5000 RPM |
| Torque | 211 Nm | 129 Nm |
| Torque RPM | 2200 RPM | 3250 RPM |
| Drive Type | 4WD | Front |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1560 kg | 955 kg |
| Vehicle Length | 4110 mm | 4470 mm |
| Vehicle Width | 1590 mm | 1710 mm |
| Vehicle Height | 1920 mm | 1420 mm |
| Wheelbase Size | 2540 mm | 2670 mm |
