1991 Citroen ZX vs. 2009 Citroen C4
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 ZX. In addition, the cost of maintenance, including insurance, on 1991 Citroen ZX would be higher. At 1,997 cc (4 cylinders), 2009 Citroen C4 is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (138 HP @ 6000 RPM) has 63 more horse power than 1991 Citroen ZX. (75 HP @ 5800 RPM) In normal driving conditions, 2009 Citroen C4 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 635 kg more than 1991 Citroen ZX. 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 (200 Nm @ 4000 RPM) has 90 more torque (in Nm) than 1991 Citroen ZX. (110 Nm @ 3400 RPM). This means 2009 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 2009 Citroen C4 | |
| Make | Citroen | Citroen |
| Model | ZX | C4 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 138 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 110 Nm | 200 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 75 mm | 85 mm |
| Engine Stroke Size | 77 mm | 88 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Top Speed | 167 km/hour | 195 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1000 kg | 1635 kg |
| Vehicle Length | 4070 mm | 4590 mm |
| Vehicle Width | 1710 mm | 1840 mm |
| Vehicle Height | 1410 mm | 1630 mm |
| Wheelbase Size | 2550 mm | 2730 mm |
| Fuel Tank Capacity | 56 L | 60 L |
