1985 Beijing BJ 2021 vs. 2003 Caterham 7
To start off, 2003 Caterham 7 is newer by 18 year(s). Which means there will be less support and parts availability for 1985 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1985 Beijing BJ 2021 would be higher. At 2,464 cc (4 cylinders), 1985 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 2003 Caterham 7 (200 HP @ 7500 RPM) has 100 more horse power than 1985 Beijing BJ 2021. (100 HP @ 5000 RPM) In normal driving conditions, 2003 Caterham 7 should accelerate faster than 1985 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 1985 Beijing BJ 2021 weights approximately 990 kg more than 2003 Caterham 7.
Because 1985 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Caterham 7. In wet, icy, snow, or gravel driving conditions, 1985 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, 2003 Caterham 7 (210 Nm @ 5750 RPM) has 31 more torque (in Nm) than 1985 Beijing BJ 2021. (179 Nm @ 2800 RPM). This means 2003 Caterham 7 will have an easier job in driving up hills or pulling heavy equipment than 1985 Beijing BJ 2021.
Compare all specifications:
| 1985 Beijing BJ 2021 | 2003 Caterham 7 | |
| Make | Beijing | Caterham |
| Model | BJ 2021 | 7 |
| Year Released | 1985 | 2003 |
| Engine Size | 2464 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 200 HP |
| Engine RPM | 5000 RPM | 7500 RPM |
| Torque | 179 Nm | 210 Nm |
| Torque RPM | 2800 RPM | 5750 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1480 kg | 490 kg |
| Vehicle Length | 4290 mm | 3110 mm |
| Vehicle Width | 1800 mm | 1580 mm |
| Vehicle Height | 1620 mm | 810 mm |
| Wheelbase Size | 2580 mm | 2230 mm |
