2004 Beijing BJ 2020 vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Beijing BJ 2020. In addition, the cost of maintenance, including insurance, on 2004 Beijing BJ 2020 would be higher. At 2,445 cc (4 cylinders), 2004 Beijing BJ 2020 is equipped with a bigger engine. In terms of performance, 2004 Beijing BJ 2020 (86 HP @ 3800 RPM) has 17 more horse power than 2007 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2004 Beijing BJ 2020 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2004 Beijing BJ 2020 weights approximately 686 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Beijing BJ 2020 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Beijing BJ 2020 (173 Nm @ 3000 RPM) has 79 more torque (in Nm) than 2007 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2004 Beijing BJ 2020 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2004 Beijing BJ 2020 | 2007 Daihatsu Sirion | |
| Make | Beijing | Daihatsu |
| Model | BJ 2020 | Sirion |
| Year Released | 2004 | 2007 |
| Engine Size | 2445 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 86 HP | 69 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 173 Nm | 94 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1580 kg | 894 kg |
| Vehicle Length | 4020 mm | 3610 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1950 mm | 1560 mm |
| Wheelbase Size | 2310 mm | 2440 mm |
