1985 Beijing BJ 2021 vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 24 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 2,501 cc (4 cylinders), 2009 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2009 Mercury Mariner (170 HP @ 6000 RPM) has 70 more horse power than 1985 Beijing BJ 2021. (100 HP @ 5000 RPM) In normal driving conditions, 2009 Mercury Mariner should accelerate faster than 1985 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 445 kg more than 1985 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1985 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercury Mariner. 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, 1985 Beijing BJ 2021 (179 Nm @ 2800 RPM) has 8 more torque (in Nm) than 2009 Mercury Mariner. (171 Nm @ 4500 RPM). This means 1985 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner.
Compare all specifications:
| 1985 Beijing BJ 2021 | 2009 Mercury Mariner | |
| Make | Beijing | Mercury |
| Model | BJ 2021 | Mariner |
| Year Released | 1985 | 2009 |
| Engine Size | 2464 cc | 2501 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 170 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 179 Nm | 171 Nm |
| Torque RPM | 2800 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1480 kg | 1925 kg |
| Vehicle Length | 4290 mm | 4460 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1620 mm | 1730 mm |
| Wheelbase Size | 2580 mm | 2630 mm |
