1990 Citroen BX vs. 1993 Renault 21
To start off, 1993 Renault 21 is newer by 3 year(s). Which means there will be less support and parts availability for 1990 Citroen BX. In addition, the cost of maintenance, including insurance, on 1990 Citroen BX would be higher. At 1,721 cc (4 cylinders), 1993 Renault 21 is equipped with a bigger engine. In terms of performance, 1993 Renault 21 (75 HP @ 5000 RPM) has 4 more horse power than 1990 Citroen BX. (71 HP @ 5600 RPM) In normal driving conditions, 1993 Renault 21 should accelerate faster than 1990 Citroen BX. With that said, vehicle weight also plays an important factor in acceleration. 1993 Renault 21 weights approximately 90 kg more than 1990 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, 1993 Renault 21 (129 Nm @ 3250 RPM) has 19 more torque (in Nm) than 1990 Citroen BX. (110 Nm @ 3400 RPM). This means 1993 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1990 Citroen BX.
Compare all specifications:
| 1990 Citroen BX | 1993 Renault 21 | |
| Make | Citroen | Renault |
| Model | BX | 21 |
| Year Released | 1990 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 71 HP | 75 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 110 Nm | 129 Nm |
| Torque RPM | 3400 RPM | 3250 RPM |
| Engine Bore Size | 75 mm | 81 mm |
| Engine Stroke Size | 77 mm | 83.5 mm |
| Engine Compression Ratio | 10.2:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 930 kg | 1020 kg |
| Vehicle Length | 4400 mm | 4650 mm |
| Vehicle Width | 1690 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2820 mm |
