1987 Citroen BX vs. 1998 Daihatsu Sirion
To start off, 1998 Daihatsu Sirion is newer by 11 year(s). Which means there will be less support and parts availability for 1987 Citroen BX. In addition, the cost of maintenance, including insurance, on 1987 Citroen BX would be higher. At 1,905 cc (4 cylinders), 1987 Citroen BX is equipped with a bigger engine. In terms of performance, 1987 Citroen BX (160 HP @ 6500 RPM) has 60 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM). In normal driving conditions, 1987 Citroen BX should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1987 Citroen BX weights approximately 173 kg more than 1998 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1987 Citroen BX. In wet, icy, snow, or gravel driving conditions, 1998 Daihatsu Sirion 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, 1987 Citroen BX (180 Nm @ 5000 RPM) has 60 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 1987 Citroen BX will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion.
Compare all specifications:
| 1987 Citroen BX | 1998 Daihatsu Sirion | |
| Make | Citroen | Daihatsu |
| Model | BX | Sirion |
| Year Released | 1987 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 160 HP | 100 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 180 Nm | 120 Nm |
| Torque RPM | 5000 RPM | 4400 RPM |
| Engine Bore Size | 83 mm | 72 mm |
| Engine Stroke Size | 88 mm | 79.7 mm |
| Engine Compression Ratio | 10.4:1 | 11.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1073 kg | 900 kg |
| Vehicle Length | 4250 mm | 3680 mm |
| Vehicle Width | 1680 mm | 1600 mm |
| Vehicle Height | 1370 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2350 mm |
