1956 GAZ M-20 vs. 1957 Riley 1.5
To start off, 1957 Riley 1.5 is newer by 1 year(s). Which means there will be less support and parts availability for 1956 GAZ M-20. In addition, the cost of maintenance, including insurance, on 1956 GAZ M-20 would be higher. At 2,120 cc (4 cylinders), 1956 GAZ M-20 is equipped with a bigger engine. In terms of performance, 1957 Riley 1.5 (63 HP @ 5000 RPM) has 12 more horse power than 1956 GAZ M-20. (51 HP @ 3600 RPM) In normal driving conditions, 1957 Riley 1.5 should accelerate faster than 1956 GAZ M-20. With that said, vehicle weight also plays an important factor in acceleration. 1956 GAZ M-20 weights approximately 525 kg more than 1957 Riley 1.5.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1956 GAZ M-20 (125 Nm @ 2200 RPM) has 13 more torque (in Nm) than 1957 Riley 1.5. (112 Nm @ 2500 RPM). This means 1956 GAZ M-20 will have an easier job in driving up hills or pulling heavy equipment than 1957 Riley 1.5.
Compare all specifications:
| 1956 GAZ M-20 | 1957 Riley 1.5 | |
| Make | GAZ | Riley |
| Model | M-20 | 1.5 |
| Year Released | 1956 | 1957 |
| Engine Size | 2120 cc | 1489 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 63 HP |
| Engine RPM | 3600 RPM | 5000 RPM |
| Torque | 125 Nm | 112 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1460 kg | 935 kg |
| Vehicle Length | 4670 mm | 3890 mm |
| Vehicle Width | 1900 mm | 1560 mm |
| Vehicle Height | 1650 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2190 mm |
