1991 Citroen ZX vs. 2009 Volvo S40
To start off, 2009 Volvo S40 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 2,435 cc (5 cylinders), 2009 Volvo S40 is equipped with a bigger engine. In terms of performance, 2009 Volvo S40 (168 HP @ 6000 RPM) has 38 more horse power than 1991 Citroen ZX. (130 HP @ 6000 RPM) In normal driving conditions, 2009 Volvo S40 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Volvo S40 weights approximately 235 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 Volvo S40 (230 Nm @ 4400 RPM) has 70 more torque (in Nm) than 1991 Citroen ZX. (160 Nm @ 4750 RPM). This means 2009 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 | 2009 Volvo S40 | |
| Make | Citroen | Volvo |
| Model | ZX | S40 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 2435 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 168 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 160 Nm | 230 Nm |
| Torque RPM | 4750 RPM | 4400 RPM |
| Engine Bore Size | 83 mm | 83.1 mm |
| Engine Stroke Size | 88 mm | 90 mm |
| Engine Compression Ratio | 9.6:1 | 10.3:1 |
| Acceleration 0-100mph | 9.5 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1104 kg | 1339 kg |
| Vehicle Length | 4090 mm | 4470 mm |
| Vehicle Width | 1710 mm | 1460 mm |
| Vehicle Height | 1410 mm | 1780 mm |
| Wheelbase Size | 2550 mm | 2650 mm |
