1984 Citroen BX vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Citroen BX. In addition, the cost of maintenance, including insurance, on 1984 Citroen BX would be higher. At 1,360 cc (4 cylinders), 1984 Citroen BX is equipped with a bigger engine. In terms of performance, 2007 Daihatsu Sirion (86 HP @ 6000 RPM) has 25 more horse power than 1984 Citroen BX. (61 HP @ 5500 RPM) In normal driving conditions, 2007 Daihatsu Sirion should accelerate faster than 1984 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Daihatsu Sirion weights approximately 35 kg more than 1984 Citroen BX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 Daihatsu Sirion (120 Nm @ 3200 RPM) has 11 more torque (in Nm) than 1984 Citroen BX. (109 Nm @ 2500 RPM). This means 2007 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 1984 Citroen BX.
Compare all specifications:
| 1984 Citroen BX | 2007 Daihatsu Sirion | |
| Make | Citroen | Daihatsu |
| Model | BX | Sirion |
| Year Released | 1984 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 61 HP | 86 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 109 Nm | 120 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Engine Bore Size | 75 mm | 72 mm |
| Engine Stroke Size | 77 mm | 79.7 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 155 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 890 kg | 925 kg |
| Vehicle Length | 4240 mm | 3610 mm |
| Vehicle Width | 1680 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1560 mm |
| Wheelbase Size | 2860 mm | 2440 mm |
| Fuel Consumption Overall | 11.9 L/100km | 5 L/100km |
| Fuel Tank Capacity | 80 L | 40 L |
