1986 Beijing BJ 2021 vs. 1987 Mazda RX-7
To start off, 1987 Mazda RX-7 is newer by 1 year(s). Which means there will be less support and parts availability for 1986 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1986 Beijing BJ 2021 would be higher. At 2,616 cc, 1987 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1987 Mazda RX-7 (197 HP @ 6500 RPM) has 96 more horse power than 1986 Beijing BJ 2021. (101 HP @ 5000 RPM) In normal driving conditions, 1987 Mazda RX-7 should accelerate faster than 1986 Beijing BJ 2021.
Because 1986 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1986 Beijing BJ 2021 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, 1987 Mazda RX-7 (271 Nm @ 3500 RPM) has 92 more torque (in Nm) than 1986 Beijing BJ 2021. (179 Nm @ 2800 RPM). This means 1987 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1986 Beijing BJ 2021.
Compare all specifications:
| 1986 Beijing BJ 2021 | 1987 Mazda RX-7 | |
| Make | Beijing | Mazda |
| Model | BJ 2021 | RX-7 |
| Year Released | 1986 | 1987 |
| Engine Size | 2466 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 101 HP | 197 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 179 Nm | 271 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Length | 4290 mm | 4320 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1620 mm | 1270 mm |
| Wheelbase Size | 2580 mm | 2440 mm |
