1949 Riley RM A vs. 1971 Riley 4
To start off, 1971 Riley 4 is newer by 22 year(s). Which means there will be less support and parts availability for 1949 Riley RM A. In addition, the cost of maintenance, including insurance, on 1949 Riley RM A would be higher. At 1,622 cc (4 cylinders), 1971 Riley 4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1949 Riley RM A weights approximately 87 kg more than 1971 Riley 4.
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.
Compare all specifications:
| 1949 Riley RM A | 1971 Riley 4 | |
| Make | Riley | Riley |
| Model | RM A | 4 |
| Year Released | 1949 | 1971 |
| Engine Size | 1496 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 67 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1235 kg | 1148 kg |
| Vehicle Length | 4560 mm | 4540 mm |
| Vehicle Width | 1620 mm | 1620 mm |
| Vehicle Height | 1550 mm | 1510 mm |
| Wheelbase Size | 2870 mm | 2530 mm |
