1974 Fiat 127 vs. 1975 Renault 15
To start off, 1975 Renault 15 is newer by 1 year(s). Which means there will be less support and parts availability for 1974 Fiat 127. In addition, the cost of maintenance, including insurance, on 1974 Fiat 127 would be higher. At 1,289 cc (4 cylinders), 1975 Renault 15 is equipped with a bigger engine. In terms of performance, 1975 Renault 15 (59 HP @ 5500 RPM) has 15 more horse power than 1974 Fiat 127. (44 HP @ 6200 RPM) In normal driving conditions, 1975 Renault 15 should accelerate faster than 1974 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 1975 Renault 15 weights approximately 260 kg more than 1974 Fiat 127. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Renault 15 (99 Nm @ 3500 RPM) has 36 more torque (in Nm) than 1974 Fiat 127. (63 Nm @ 3500 RPM). This means 1975 Renault 15 will have an easier job in driving up hills or pulling heavy equipment than 1974 Fiat 127.
Compare all specifications:
| 1974 Fiat 127 | 1975 Renault 15 | |
| Make | Fiat | Renault |
| Model | 127 | 15 |
| Year Released | 1974 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 902 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 59 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 63 Nm | 99 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 65 mm | 75 mm |
| Engine Stroke Size | 68 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 705 kg | 965 kg |
| Vehicle Length | 3600 mm | 4270 mm |
| Vehicle Width | 1530 mm | 1640 mm |
| Vehicle Height | 1380 mm | 1320 mm |
| Wheelbase Size | 2230 mm | 2440 mm |
| Fuel Tank Capacity | 57 L | 55 L |
