1992 Citroen ZX vs. 1970 Riley 4
To start off, 1992 Citroen ZX is newer by 22 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 1,998 cc (4 cylinders), 1992 Citroen ZX is equipped with a bigger engine. In terms of performance, 1992 Citroen ZX (121 HP @ 5750 RPM) has 54 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1992 Citroen ZX should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1970 Riley 4 weights approximately 44 kg more than 1992 Citroen ZX.
Because 1970 Riley 4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1970 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 1992 Citroen ZX, being front wheel drive (FWD), will offer much better control with better grip. 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, 1992 Citroen ZX (176 Nm @ 2750 RPM) has 56 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 1992 Citroen ZX will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1992 Citroen ZX | 1970 Riley 4 | |
| Make | Citroen | Riley |
| Model | ZX | 4 |
| Year Released | 1992 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 121 HP | 67 HP |
| Engine RPM | 5750 RPM | 5000 RPM |
| Torque | 176 Nm | 120 Nm |
| Torque RPM | 2750 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 76.2 mm |
| Engine Stroke Size | 86 mm | 88.9 mm |
| Engine Compression Ratio | 9.5:1 | 8.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1104 kg | 1148 kg |
| Vehicle Length | 4090 mm | 4540 mm |
| Vehicle Width | 1710 mm | 1620 mm |
| Vehicle Height | 1390 mm | 1510 mm |
| Wheelbase Size | 2550 mm | 2530 mm |
| Fuel Tank Capacity | 56 L | 45 L |
