2001 Beijing BJ 2020 vs. 1975 Mazda RX 4 Coupe
To start off, 2001 Beijing BJ 2020 is newer by 26 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 2,616 cc (2 cylinders), 1975 Mazda RX 4 Coupe is equipped with a bigger engine. In terms of performance, 1975 Mazda RX 4 Coupe (114 HP @ 6000 RPM) has 28 more horse power than 2001 Beijing BJ 2020. (86 HP @ 3800 RPM) In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 2001 Beijing BJ 2020. With that said, vehicle weight also plays an important factor in acceleration. 2001 Beijing BJ 2020 weights approximately 470 kg more than 1975 Mazda RX 4 Coupe.
Let's talk about torque, 2001 Beijing BJ 2020 (173 Nm @ 3000 RPM) has 8 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2001 Beijing BJ 2020 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 2001 Beijing BJ 2020 | 1975 Mazda RX 4 Coupe | |
| Make | Beijing | Mazda |
| Model | BJ 2020 | RX 4 Coupe |
| Year Released | 2001 | 1975 |
| Engine Size | 2445 cc | 2616 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 114 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 173 Nm | 165 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1580 kg | 1110 kg |
| Vehicle Length | 4020 mm | 4400 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1950 mm | 1390 mm |
| Wheelbase Size | 2310 mm | 2520 mm |
