2002 Beijing BJ 2020 vs. 1990 BMW Z1
To start off, 2002 Beijing BJ 2020 is newer by 12 year(s). Which means there will be less support and parts availability for 1990 BMW Z1. In addition, the cost of maintenance, including insurance, on 1990 BMW Z1 would be higher. At 2,494 cc (6 cylinders), 1990 BMW Z1 is equipped with a bigger engine. In terms of performance, 1990 BMW Z1 (175 HP @ 5800 RPM) has 89 more horse power than 2002 Beijing BJ 2020. (86 HP @ 3800 RPM) In normal driving conditions, 1990 BMW Z1 should accelerate faster than 2002 Beijing BJ 2020. With that said, vehicle weight also plays an important factor in acceleration. 2002 Beijing BJ 2020 weights approximately 330 kg more than 1990 BMW Z1.
Because 2002 Beijing BJ 2020 is four wheel drive (4WD), it will have significant more traction and grip than 1990 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2002 Beijing BJ 2020 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, 1990 BMW Z1 (230 Nm @ 4000 RPM) has 57 more torque (in Nm) than 2002 Beijing BJ 2020. (173 Nm @ 3000 RPM). This means 1990 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 2002 Beijing BJ 2020.
Compare all specifications:
| 2002 Beijing BJ 2020 | 1990 BMW Z1 | |
| Make | Beijing | BMW |
| Model | BJ 2020 | Z1 |
| Year Released | 2002 | 1990 |
| Engine Size | 2445 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 86 HP | 175 HP |
| Engine RPM | 3800 RPM | 5800 RPM |
| Torque | 173 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1580 kg | 1250 kg |
| Vehicle Length | 4020 mm | 3960 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1950 mm | 1280 mm |
| Wheelbase Size | 2310 mm | 2450 mm |
