2004 Beijing BJ 2021 vs. 1984 Mazda RX-7
To start off, 2004 Beijing BJ 2021 is newer by 20 year(s). Which means there will be less support and parts availability for 1984 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1984 Mazda RX-7 would be higher. At 2,466 cc (4 cylinders), 2004 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 2004 Beijing BJ 2021 (111 HP @ 4800 RPM) has 7 more horse power than 1984 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 2004 Beijing BJ 2021 should accelerate faster than 1984 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2004 Beijing BJ 2021 weights approximately 450 kg more than 1984 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Beijing BJ 2021 (180 Nm @ 3200 RPM) has 35 more torque (in Nm) than 1984 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2004 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1984 Mazda RX-7.
Compare all specifications:
2004 Beijing BJ 2021 | 1984 Mazda RX-7 | |
Make | Beijing | Mazda |
Model | BJ 2021 | RX-7 |
Year Released | 2004 | 1984 |
Engine Size | 2466 cc | 2292 cc |
Engine Type | in-line | dual-disk rotary |
Horse Power | 111 HP | 104 HP |
Engine RPM | 4800 RPM | 6000 RPM |
Torque | 180 Nm | 145 Nm |
Torque RPM | 3200 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Manual |
Vehicle Weight | 1510 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 |