1970 Fiat 125 vs. 1966 Riley 4
To start off, 1970 Fiat 125 is newer by 4 year(s). Which means there will be less support and parts availability for 1966 Riley 4. In addition, the cost of maintenance, including insurance, on 1966 Riley 4 would be higher. At 1,622 cc (4 cylinders), 1966 Riley 4 is equipped with a bigger engine. In terms of performance, 1970 Fiat 125 (90 HP) has 23 more horse power than 1966 Riley 4. (67 HP). In normal driving conditions, 1970 Fiat 125 should accelerate faster than 1966 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1966 Riley 4 weights approximately 188 kg more than 1970 Fiat 125.
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, 1970 Fiat 125 (131 Nm @ 4000 RPM) has 9 more torque (in Nm) than 1966 Riley 4. (122 Nm @ 2500 RPM). This means 1970 Fiat 125 will have an easier job in driving up hills or pulling heavy equipment than 1966 Riley 4.
Compare all specifications:
| 1970 Fiat 125 | 1966 Riley 4 | |
| Make | Fiat | Riley |
| Model | 125 | 4 |
| Year Released | 1970 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 1607 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 67 HP |
| Torque | 131 Nm | 122 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 76.2 mm |
| Engine Stroke Size | 80 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 960 kg | 1148 kg |
| Vehicle Length | 4230 mm | 4540 mm |
| Vehicle Width | 1610 mm | 1620 mm |
| Vehicle Height | 1450 mm | 1530 mm |
| Wheelbase Size | 2430 mm | 2530 mm |
| Fuel Tank Capacity | 45 L | 45 L |
