1991 Citroen ZX vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 16 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 3,189 cc (6 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (248 HP @ 6000 RPM) has 159 more horse power than 1991 Citroen ZX. (89 HP @ 6400 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 1160 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.
Because 2007 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1991 Citroen ZX. In wet, icy, snow, or gravel driving conditions, 2007 Porsche Cayenne will offer significantly more control. 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, 2007 Porsche Cayenne (310 Nm @ 2500 RPM) has 177 more torque (in Nm) than 1991 Citroen ZX. (133 Nm @ 3000 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 2007 Porsche Cayenne | |
| Make | Citroen | Porsche |
| Model | ZX | Cayenne |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1579 cc | 3189 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 89 HP | 248 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 133 Nm | 310 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 73 mm | 95.9 mm |
| Top Speed | 180 km/hour | 214 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1000 kg | 2160 kg |
| Vehicle Length | 4070 mm | 4790 mm |
| Vehicle Width | 1710 mm | 1930 mm |
| Vehicle Height | 1410 mm | 1710 mm |
| Wheelbase Size | 2430 mm | 2860 mm |
