2002 Alfa Romeo 156 vs. 1991 Citroen ZX
To start off, 2002 Alfa Romeo 156 is newer by 11 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 1,747 cc (4 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (138 HP @ 6500 RPM) has 63 more horse power than 1991 Citroen ZX. (75 HP @ 5800 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 315 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, 2002 Alfa Romeo 156 (163 Nm @ 3900 RPM) has 53 more torque (in Nm) than 1991 Citroen ZX. (110 Nm @ 3400 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 2002 Alfa Romeo 156 | 1991 Citroen ZX | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | ZX |
| Year Released | 2002 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 75 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 163 Nm | 110 Nm |
| Torque RPM | 3900 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 75 mm |
| Engine Stroke Size | 82.7 mm | 77 mm |
| Engine Compression Ratio | 10.3:1 | 9.3:1 |
| Top Speed | 208 km/hour | 167 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1315 kg | 1000 kg |
| Vehicle Length | 4440 mm | 4070 mm |
| Vehicle Width | 1750 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2600 mm | 2550 mm |
| Fuel Tank Capacity | 63 L | 56 L |
