1998 Beijing BJ 2021 vs. 1981 Isuzu Piazza
To start off, 1998 Beijing BJ 2021 is newer by 17 year(s). Which means there will be less support and parts availability for 1981 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1981 Isuzu Piazza would be higher. At 3,962 cc (6 cylinders), 1998 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 1998 Beijing BJ 2021 (172 HP @ 4500 RPM) has 24 more horse power than 1981 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 1998 Beijing BJ 2021 should accelerate faster than 1981 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1998 Beijing BJ 2021 weights approximately 340 kg more than 1981 Isuzu Piazza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1998 Beijing BJ 2021 (297 Nm @ 2600 RPM) has 71 more torque (in Nm) than 1981 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1998 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1981 Isuzu Piazza.
Compare all specifications:
| 1998 Beijing BJ 2021 | 1981 Isuzu Piazza | |
| Make | Beijing | Isuzu |
| Model | BJ 2021 | Piazza |
| Year Released | 1998 | 1981 |
| Engine Size | 3962 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 148 HP |
| Engine RPM | 4500 RPM | 5400 RPM |
| Torque | 297 Nm | 226 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1620 kg | 1280 kg |
| Vehicle Length | 4330 mm | 4290 mm |
| Vehicle Width | 1800 mm | 1610 mm |
| Vehicle Height | 1770 mm | 1330 mm |
| Wheelbase Size | 2680 mm | 2510 mm |
