1972 Fiat 500 vs. 1963 Riley 4
To start off, 1972 Fiat 500 is newer by 9 year(s). Which means there will be less support and parts availability for 1963 Riley 4. In addition, the cost of maintenance, including insurance, on 1963 Riley 4 would be higher. At 1,622 cc (4 cylinders), 1963 Riley 4 is equipped with a bigger engine. In terms of performance, 1963 Riley 4 (67 HP) has 49 more horse power than 1972 Fiat 500. (18 HP) In normal driving conditions, 1963 Riley 4 should accelerate faster than 1972 Fiat 500. With that said, vehicle weight also plays an important factor in acceleration. 1963 Riley 4 weights approximately 638 kg more than 1972 Fiat 500. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1963 Riley 4 (121 Nm @ 2500 RPM) has 93 more torque (in Nm) than 1972 Fiat 500. (28 Nm @ 3200 RPM). This means 1963 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 1972 Fiat 500.
Compare all specifications:
| 1972 Fiat 500 | 1963 Riley 4 | |
| Make | Fiat | Riley |
| Model | 500 | 4 |
| Year Released | 1972 | 1963 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 499 cc | 1622 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 18 HP | 67 HP |
| Torque | 28 Nm | 121 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 67.4 mm | 76.2 mm |
| Engine Stroke Size | 70 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 510 kg | 1148 kg |
| Vehicle Length | 2980 mm | 4540 mm |
| Vehicle Width | 1330 mm | 1620 mm |
| Vehicle Height | 1330 mm | 1510 mm |
| Wheelbase Size | 1850 mm | 2530 mm |
| Fuel Tank Capacity | 22 L | 45 L |
