2009 Citroen C4 vs. 1991 Citroen BX
To start off, 2009 Citroen C4 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Citroen BX. In addition, the cost of maintenance, including insurance, on 1991 Citroen BX would be higher. At 1,560 cc (4 cylinders), 2009 Citroen C4 is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (108 HP @ 4000 RPM) has 34 more horse power than 1991 Citroen BX. (74 HP @ 5600 RPM). In normal driving conditions, 2009 Citroen C4 should accelerate faster than 1991 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 705 kg more than 1991 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, 2009 Citroen C4 (240 Nm @ 1750 RPM) has 129 more torque (in Nm) than 1991 Citroen BX. (111 Nm @ 3400 RPM). This means 2009 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen BX.
Compare all specifications:
| 2009 Citroen C4 | 1991 Citroen BX | |
| Make | Citroen | Citroen |
| Model | C4 | BX |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 1360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 108 HP | 74 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 240 Nm | 111 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Engine Bore Size | 75 mm | 75.1 mm |
| Engine Stroke Size | 88 mm | 77 mm |
| Engine Compression Ratio | 18.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1605 kg | 900 kg |
| Vehicle Length | 4590 mm | 4240 mm |
| Vehicle Width | 1840 mm | 1680 mm |
| Vehicle Height | 1630 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2660 mm |
| Fuel Tank Capacity | 60 L | 43 L |
