1991 Citroen C 15 vs. 1959 Riley 4
To start off, 1991 Citroen C 15 is newer by 32 year(s). Which means there will be less support and parts availability for 1959 Riley 4. In addition, the cost of maintenance, including insurance, on 1959 Riley 4 would be higher. At 1,487 cc (4 cylinders), 1959 Riley 4 is equipped with a bigger engine. In terms of performance, 1991 Citroen C 15 (74 HP @ 6200 RPM) has 11 more horse power than 1959 Riley 4. (63 HP @ 4800 RPM). In normal driving conditions, 1991 Citroen C 15 should accelerate faster than 1959 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1959 Riley 4 weights approximately 265 kg more than 1991 Citroen C 15.
Because 1959 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 1959 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 1991 Citroen C 15, 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, 1959 Riley 4 (115 Nm @ 3300 RPM) has 6 more torque (in Nm) than 1991 Citroen C 15. (109 Nm @ 4000 RPM). This means 1959 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen C 15.
Compare all specifications:
| 1991 Citroen C 15 | 1959 Riley 4 | |
| Make | Citroen | Riley |
| Model | C 15 | 4 |
| Year Released | 1991 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 1487 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 74 HP | 63 HP |
| Engine RPM | 6200 RPM | 4800 RPM |
| Torque | 109 Nm | 115 Nm |
| Torque RPM | 4000 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 875 kg | 1140 kg |
| Vehicle Length | 4010 mm | 4530 mm |
| Vehicle Width | 1650 mm | 1620 mm |
| Vehicle Height | 1820 mm | 1530 mm |
| Wheelbase Size | 2750 mm | 2530 mm |
