1988 Beijing BJ 2021 vs. 2003 Mazda Roadster
To start off, 2003 Mazda Roadster is newer by 15 year(s). Which means there will be less support and parts availability for 1988 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1988 Beijing BJ 2021 would be higher. At 2,466 cc (4 cylinders), 1988 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 2003 Mazda Roadster (148 HP @ 7000 RPM) has 47 more horse power than 1988 Beijing BJ 2021. (101 HP @ 5000 RPM) In normal driving conditions, 2003 Mazda Roadster should accelerate faster than 1988 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 1988 Beijing BJ 2021 weights approximately 400 kg more than 2003 Mazda Roadster.
Because 1988 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mazda Roadster. In wet, icy, snow, or gravel driving conditions, 1988 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, 1988 Beijing BJ 2021 (179 Nm @ 2800 RPM) has 12 more torque (in Nm) than 2003 Mazda Roadster. (167 Nm @ 5500 RPM). This means 1988 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2003 Mazda Roadster has automatic transmission and 1988 Beijing BJ 2021 has manual transmission. 1988 Beijing BJ 2021 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mazda Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1988 Beijing BJ 2021 | 2003 Mazda Roadster | |
| Make | Beijing | Mazda |
| Model | BJ 2021 | Roadster |
| Year Released | 1988 | 2003 |
| Engine Size | 2466 cc | 1838 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 148 HP |
| Engine RPM | 5000 RPM | 7000 RPM |
| Torque | 179 Nm | 167 Nm |
| Torque RPM | 2800 RPM | 5500 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1480 kg | 1080 kg |
| Vehicle Length | 4290 mm | 3960 mm |
| Vehicle Width | 1800 mm | 1690 mm |
| Vehicle Height | 1620 mm | 1240 mm |
| Wheelbase Size | 2580 mm | 2270 mm |
