1974 Citroen SM vs. 1957 Riley 1.5
To start off, 1974 Citroen SM is newer by 17 year(s). Which means there will be less support and parts availability for 1957 Riley 1.5. In addition, the cost of maintenance, including insurance, on 1957 Riley 1.5 would be higher. At 2,670 cc (6 cylinders), 1974 Citroen SM is equipped with a bigger engine. In terms of performance, 1974 Citroen SM (170 HP @ 5500 RPM) has 107 more horse power than 1957 Riley 1.5. (63 HP @ 5000 RPM). In normal driving conditions, 1974 Citroen SM should accelerate faster than 1957 Riley 1.5. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 515 kg more than 1957 Riley 1.5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1957 Riley 1.5 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 1957 Riley 1.5. However, in wet, icy, snow, or gravel driving conditions, 1974 Citroen SM, 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, 1974 Citroen SM (237 Nm @ 4000 RPM) has 125 more torque (in Nm) than 1957 Riley 1.5. (112 Nm @ 2500 RPM). This means 1974 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1957 Riley 1.5.
Compare all specifications:
1974 Citroen SM | 1957 Riley 1.5 | |
Make | Citroen | Riley |
Model | SM | 1.5 |
Year Released | 1974 | 1957 |
Engine Position | Front | Front |
Engine Size | 2670 cc | 1489 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 170 HP | 63 HP |
Engine RPM | 5500 RPM | 5000 RPM |
Torque | 237 Nm | 112 Nm |
Torque RPM | 4000 RPM | 2500 RPM |
Engine Bore Size | 87.1 mm | 73 mm |
Engine Stroke Size | 75 mm | 88.9 mm |
Drive Type | Front | Rear |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1450 kg | 935 kg |
Vehicle Length | 4900 mm | 3890 mm |
Vehicle Width | 1850 mm | 1560 mm |
Vehicle Height | 1330 mm | 1510 mm |
Wheelbase Size | 2960 mm | 2190 mm |
Fuel Tank Capacity | 25 L | 31 L |