1970 Citroen GS vs. 1967 Riley 4
To start off, 1970 Citroen GS is newer by 3 year(s). Which means there will be less support and parts availability for 1967 Riley 4. In addition, the cost of maintenance, including insurance, on 1967 Riley 4 would be higher. At 1,622 cc (4 cylinders), 1967 Riley 4 is equipped with a bigger engine. In terms of performance, 1967 Riley 4 (67 HP @ 5000 RPM) has 13 more horse power than 1970 Citroen GS. (54 HP @ 6500 RPM) In normal driving conditions, 1967 Riley 4 should accelerate faster than 1970 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 1967 Riley 4 weights approximately 268 kg more than 1970 Citroen GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1967 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 1967 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 1970 Citroen GS, 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, 1967 Riley 4 (120 Nm @ 2500 RPM) has 50 more torque (in Nm) than 1970 Citroen GS. (70 Nm @ 3500 RPM). This means 1967 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 1970 Citroen GS.
Compare all specifications:
| 1970 Citroen GS | 1967 Riley 4 | |
| Make | Citroen | Riley |
| Model | GS | 4 |
| Year Released | 1970 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 1015 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 54 HP | 67 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 70 Nm | 120 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Compression Ratio | 9.0:1 | 8.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 880 kg | 1148 kg |
| Vehicle Length | 4130 mm | 4540 mm |
| Vehicle Width | 1610 mm | 1620 mm |
| Vehicle Height | 1350 mm | 1530 mm |
| Wheelbase Size | 2560 mm | 2530 mm |
| Fuel Tank Capacity | 43 L | 45 L |
