1971 Fiat 127 vs. 1963 Riley 4
To start off, 1971 Fiat 127 is newer by 8 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 23 more horse power than 1971 Fiat 127. (44 HP) In normal driving conditions, 1963 Riley 4 should accelerate faster than 1971 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 1963 Riley 4 weights approximately 443 kg more than 1971 Fiat 127. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1963 Riley 4 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 1963 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 1971 Fiat 127, 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, 1963 Riley 4 (121 Nm @ 2500 RPM) has 58 more torque (in Nm) than 1971 Fiat 127. (63 Nm @ 3500 RPM). This means 1963 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Fiat 127.
Compare all specifications:
| 1971 Fiat 127 | 1963 Riley 4 | |
| Make | Fiat | Riley |
| Model | 127 | 4 |
| Year Released | 1971 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 903 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 67 HP |
| Torque | 63 Nm | 121 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 65 mm | 76.2 mm |
| Engine Stroke Size | 68 mm | 88.9 mm |
| Engine Compression Ratio | 9.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 705 kg | 1148 kg |
| Vehicle Length | 3600 mm | 4540 mm |
| Vehicle Width | 1530 mm | 1620 mm |
| Vehicle Height | 1380 mm | 1510 mm |
| Wheelbase Size | 2230 mm | 2530 mm |
| Fuel Tank Capacity | 30 L | 45 L |
