1991 Beijing BJ 2021 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1991 Beijing BJ 2021 would be higher. At 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (215 HP @ 4000 RPM) has 115 more horse power than 1991 Beijing BJ 2021. (100 HP @ 5000 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 1991 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 285 kg more than 1991 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 X3 (480 Nm @ 1750 RPM) has 300 more torque (in Nm) than 1991 Beijing BJ 2021. (180 Nm @ 2800 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Beijing BJ 2021. 2007 BMW X3 has automatic transmission and 1991 Beijing BJ 2021 has manual transmission. 1991 Beijing BJ 2021 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Beijing BJ 2021 | 2007 BMW X3 | |
| Make | Beijing | BMW |
| Model | BJ 2021 | X3 |
| Year Released | 1991 | 2007 |
| Engine Size | 2466 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 215 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 180 Nm | 480 Nm |
| Torque RPM | 2800 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1480 kg | 1765 kg |
| Vehicle Length | 4290 mm | 4570 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1620 mm | 1860 mm |
| Wheelbase Size | 2580 mm | 2800 mm |
