2003 Beijing BJ 2021 vs. 1986 Daihatsu Rocky
To start off, 2003 Beijing BJ 2021 is newer by 17 year(s). Which means there will be less support and parts availability for 1986 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1986 Daihatsu Rocky would be higher. At 2,765 cc (4 cylinders), 1986 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 2003 Beijing BJ 2021 (111 HP @ 4800 RPM) has 39 more horse power than 1986 Daihatsu Rocky. (72 HP @ 3600 RPM). In normal driving conditions, 2003 Beijing BJ 2021 should accelerate faster than 1986 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1986 Daihatsu Rocky weights approximately 50 kg more than 2003 Beijing BJ 2021.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2003 Beijing BJ 2021 (180 Nm @ 3200 RPM) has 9 more torque (in Nm) than 1986 Daihatsu Rocky. (171 Nm @ 2200 RPM). This means 2003 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1986 Daihatsu Rocky.
Compare all specifications:
| 2003 Beijing BJ 2021 | 1986 Daihatsu Rocky | |
| Make | Beijing | Daihatsu |
| Model | BJ 2021 | Rocky |
| Year Released | 2003 | 1986 |
| Engine Size | 2464 cc | 2765 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 72 HP |
| Engine RPM | 4800 RPM | 3600 RPM |
| Torque | 180 Nm | 171 Nm |
| Torque RPM | 3200 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Vehicle Weight | 1510 kg | 1560 kg |
| Vehicle Length | 4330 mm | 4110 mm |
| Vehicle Width | 1800 mm | 1590 mm |
| Vehicle Height | 1770 mm | 1920 mm |
| Wheelbase Size | 2680 mm | 2540 mm |
