1991 Citroen ZX vs. 1980 Renault 15
To start off, 1991 Citroen ZX is newer by 11 year(s). Which means there will be less support and parts availability for 1980 Renault 15. In addition, the cost of maintenance, including insurance, on 1980 Renault 15 would be higher. At 1,905 cc (4 cylinders), 1991 Citroen ZX is equipped with a bigger engine. In terms of performance, 1991 Citroen ZX (130 HP @ 6000 RPM) has 71 more horse power than 1980 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1991 Citroen ZX should accelerate faster than 1980 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1991 Citroen ZX weights approximately 139 kg more than 1980 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Citroen ZX (160 Nm @ 4750 RPM) has 62 more torque (in Nm) than 1980 Renault 15. (98 Nm @ 3500 RPM). This means 1991 Citroen ZX will have an easier job in driving up hills or pulling heavy equipment than 1980 Renault 15.
Compare all specifications:
| 1991 Citroen ZX | 1980 Renault 15 | |
| Make | Citroen | Renault |
| Model | ZX | 15 |
| Year Released | 1991 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 59 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 160 Nm | 98 Nm |
| Torque RPM | 4750 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 75 mm |
| Engine Stroke Size | 88 mm | 69 mm |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1104 kg | 965 kg |
| Vehicle Length | 4090 mm | 4270 mm |
| Vehicle Width | 1710 mm | 1640 mm |
| Vehicle Height | 1410 mm | 1320 mm |
| Wheelbase Size | 2550 mm | 2440 mm |
