1991 Citroen ZX vs. 2007 Volvo S40
To start off, 2007 Volvo S40 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 1,798 cc (4 cylinders), 2007 Volvo S40 is equipped with a bigger engine. In terms of performance, 2007 Volvo S40 (123 HP @ 6000 RPM) has 34 more horse power than 1991 Citroen ZX. (89 HP @ 6400 RPM) In normal driving conditions, 2007 Volvo S40 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Volvo S40 weights approximately 651 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 Volvo S40 (165 Nm @ 4000 RPM) has 32 more torque (in Nm) than 1991 Citroen ZX. (133 Nm @ 3000 RPM). This means 2007 Volvo S40 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 2007 Volvo S40 | |
| Make | Citroen | Volvo |
| Model | ZX | S40 |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1579 cc | 1798 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 123 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 133 Nm | 165 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 73 mm | 83.1 mm |
| Top Speed | 180 km/hour | 200 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1000 kg | 1651 kg |
| Vehicle Length | 4070 mm | 4470 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1460 mm |
| Wheelbase Size | 2430 mm | 2650 mm |
