1991 Citroen ZX vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra 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. Both 1991 Citroen ZX and 2007 Opel Vectra are equipped with a 1,998 cc engine. In terms of performance, 2007 Opel Vectra (173 HP @ 5500 RPM) has 102 more horse power than 1991 Citroen ZX. (71 HP @ 4600 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 450 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, 2007 Opel Vectra (266 Nm @ 2500 RPM) has 144 more torque (in Nm) than 1991 Citroen ZX. (122 Nm @ 2000 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 2007 Opel Vectra | |
| Make | Citroen | Opel |
| Model | ZX | Vectra |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 173 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 122 Nm | 266 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 83.1 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1035 kg | 1485 kg |
| Vehicle Length | 4070 mm | 4600 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2710 mm |
