1986 Beijing BJ 2021 vs. 1973 Mazda 929
To start off, 1986 Beijing BJ 2021 is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Mazda 929. In addition, the cost of maintenance, including insurance, on 1973 Mazda 929 would be higher. At 2,466 cc (4 cylinders), 1986 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 1986 Beijing BJ 2021 (101 HP @ 5000 RPM) has 18 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1986 Beijing BJ 2021 should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1986 Beijing BJ 2021 weights approximately 410 kg more than 1973 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1986 Beijing BJ 2021 (179 Nm @ 2800 RPM) has 45 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 1986 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 1986 Beijing BJ 2021 | 1973 Mazda 929 | |
| Make | Beijing | Mazda |
| Model | BJ 2021 | 929 |
| Year Released | 1986 | 1973 |
| Engine Size | 2466 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 83 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 179 Nm | 134 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1480 kg | 1070 kg |
| Vehicle Length | 4290 mm | 4410 mm |
| Vehicle Width | 1800 mm | 1670 mm |
| Vehicle Height | 1620 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2520 mm |
