1987 Citroen CX vs. 1990 Renault 21
To start off, 1990 Renault 21 is newer by 3 year(s). Which means there will be less support and parts availability for 1987 Citroen CX. In addition, the cost of maintenance, including insurance, on 1987 Citroen CX would be higher. At 1,983 cc (4 cylinders), 1987 Citroen CX is equipped with a bigger engine. In terms of performance, 1987 Citroen CX (102 HP @ 5500 RPM) has 27 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1987 Citroen CX should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1987 Citroen CX weights approximately 270 kg more than 1990 Renault 21. 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, 1987 Citroen CX (159 Nm @ 3250 RPM) has 30 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 1987 Citroen CX will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 1987 Citroen CX | 1990 Renault 21 | |
| Make | Citroen | Renault |
| Model | CX | 21 |
| Year Released | 1987 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1720 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 102 HP | 75 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 159 Nm | 129 Nm |
| Torque RPM | 3250 RPM | 3250 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 85.5 mm | 83.5 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 175 km/hour | 176 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1225 kg | 955 kg |
| Vehicle Length | 4670 mm | 4470 mm |
| Vehicle Width | 1770 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2550 mm |
| Fuel Consumption Overall | 5.2 L/100km | 7 L/100km |
| Fuel Tank Capacity | 80 L | 55 L |
