1991 Citroen ZX vs. 1985 Renault 25
To start off, 1991 Citroen ZX is newer by 6 year(s). Which means there will be less support and parts availability for 1985 Renault 25. In addition, the cost of maintenance, including insurance, on 1985 Renault 25 would be higher. At 2,068 cc (4 cylinders), 1985 Renault 25 is equipped with a bigger engine. In terms of performance, 1991 Citroen ZX (75 HP @ 5800 RPM) has 12 more horse power than 1985 Renault 25. (63 HP @ 4500 RPM). In normal driving conditions, 1991 Citroen ZX should accelerate faster than 1985 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 1985 Renault 25 weights approximately 180 kg more than 1991 Citroen ZX.
Let's talk about torque, 1985 Renault 25 (129 Nm @ 2250 RPM) has 19 more torque (in Nm) than 1991 Citroen ZX. (110 Nm @ 3400 RPM). This means 1985 Renault 25 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 1985 Renault 25 | |
| Make | Citroen | Renault |
| Model | ZX | 25 |
| Year Released | 1991 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 2068 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 63 HP |
| Engine RPM | 5800 RPM | 4500 RPM |
| Torque | 110 Nm | 129 Nm |
| Torque RPM | 3400 RPM | 2250 RPM |
| Engine Bore Size | 75 mm | 86.1 mm |
| Engine Stroke Size | 77 mm | 89 mm |
| Engine Compression Ratio | 9.3:1 | 21.5:1 |
| Vehicle Weight | 1000 kg | 1180 kg |
| Vehicle Length | 4070 mm | 4630 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1410 mm |
| Wheelbase Size | 2550 mm | 2730 mm |
| Fuel Tank Capacity | 56 L | 38 L |
