1991 Beijing BJ 2020 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Beijing BJ 2020. In addition, the cost of maintenance, including insurance, on 1991 Beijing BJ 2020 would be higher. At 2,494 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 145 more horse power than 1991 Beijing BJ 2020. (70 HP @ 3800 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1991 Beijing BJ 2020. With that said, vehicle weight also plays an important factor in acceleration. 1991 Beijing BJ 2020 weights approximately 260 kg more than 2007 BMW Z4.
Because 1991 Beijing BJ 2020 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1991 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, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 90 more torque (in Nm) than 1991 Beijing BJ 2020. (160 Nm @ 2200 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Beijing BJ 2020. 2007 BMW Z4 has automatic transmission and 1991 Beijing BJ 2020 has manual transmission. 1991 Beijing BJ 2020 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
1991 Beijing BJ 2020 | 2007 BMW Z4 | |
Make | Beijing | BMW |
Model | BJ 2020 | Z4 |
Year Released | 1991 | 2007 |
Engine Size | 2444 cc | 2494 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 70 HP | 215 HP |
Engine RPM | 3800 RPM | 6500 RPM |
Torque | 160 Nm | 250 Nm |
Torque RPM | 2200 RPM | 2750 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Automatic |
Vehicle Weight | 1550 kg | 1290 kg |
Vehicle Length | 3870 mm | 4100 mm |
Vehicle Width | 1760 mm | 1790 mm |
Vehicle Height | 1880 mm | 1310 mm |
Wheelbase Size | 2310 mm | 2500 mm |