1998 Beijing BJ 2021 vs. 1983 Mazda RX-7
To start off, 1998 Beijing BJ 2021 is newer by 15 year(s). Which means there will be less support and parts availability for 1983 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1983 Mazda RX-7 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 67 more horse power than 1983 Mazda RX-7. (105 HP @ 6000 RPM). In normal driving conditions, 1998 Beijing BJ 2021 should accelerate faster than 1983 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1998 Beijing BJ 2021 weights approximately 560 kg more than 1983 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1983 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1998 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, 1998 Beijing BJ 2021 (297 Nm @ 2600 RPM) has 152 more torque (in Nm) than 1983 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1998 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1983 Mazda RX-7. 1998 Beijing BJ 2021 has automatic transmission and 1983 Mazda RX-7 has manual transmission. 1983 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Beijing BJ 2021 will be easier to drive especially in heavy traffic.
Compare all specifications:
1998 Beijing BJ 2021 | 1983 Mazda RX-7 | |
Make | Beijing | Mazda |
Model | BJ 2021 | RX-7 |
Year Released | 1998 | 1983 |
Engine Size | 3962 cc | 2292 cc |
Engine Type | in-line | dual-disk rotary |
Horse Power | 172 HP | 105 HP |
Engine RPM | 4500 RPM | 6000 RPM |
Torque | 297 Nm | 145 Nm |
Torque RPM | 2600 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Vehicle Weight | 1620 kg | 1060 kg |
Vehicle Length | 4330 mm | 4290 mm |
Vehicle Width | 1800 mm | 1680 mm |
Vehicle Height | 1770 mm | 1270 mm |
Wheelbase Size | 2680 mm | 2430 mm |