1987 Beijing BJ 2021 vs. 2007 Jeep Liberty
To start off, 2007 Jeep Liberty is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1987 Beijing BJ 2021 would be higher. At 3,701 cc (6 cylinders), 2007 Jeep Liberty is equipped with a bigger engine. In terms of performance, 2007 Jeep Liberty (210 HP @ 5200 RPM) has 109 more horse power than 1987 Beijing BJ 2021. (101 HP @ 5000 RPM) In normal driving conditions, 2007 Jeep Liberty should accelerate faster than 1987 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Liberty weights approximately 469 kg more than 1987 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 Jeep Liberty (319 Nm @ 4000 RPM) has 140 more torque (in Nm) than 1987 Beijing BJ 2021. (179 Nm @ 2800 RPM). This means 2007 Jeep Liberty will have an easier job in driving up hills or pulling heavy equipment than 1987 Beijing BJ 2021. 2007 Jeep Liberty has automatic transmission and 1987 Beijing BJ 2021 has manual transmission. 1987 Beijing BJ 2021 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jeep Liberty will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Beijing BJ 2021 | 2007 Jeep Liberty | |
| Make | Beijing | Jeep |
| Model | BJ 2021 | Liberty |
| Year Released | 1987 | 2007 |
| Engine Size | 2466 cc | 3701 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 101 HP | 210 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 179 Nm | 319 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1480 kg | 1949 kg |
| Vehicle Length | 4290 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1830 mm |
| Vehicle Height | 1620 mm | 1790 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
