1971 Renault 15 vs. 1981 Fiat 131
To start off, 1981 Fiat 131 is newer by 10 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 1,995 cc (4 cylinders), 1981 Fiat 131 is equipped with a bigger engine. In terms of performance, 1981 Fiat 131 (111 HP @ 5600 RPM) has 22 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM) In normal driving conditions, 1981 Fiat 131 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1981 Fiat 131 weights approximately 85 kg more than 1971 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 Fiat 131 (167 Nm @ 3600 RPM) has 42 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 1981 Fiat 131 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1971 Renault 15 | 1981 Fiat 131 | |
| Make | Renault | Fiat |
| Model | 15 | 131 |
| Year Released | 1971 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1565 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 111 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 125 Nm | 167 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1105 kg |
| Vehicle Length | 4260 mm | 4270 mm |
| Vehicle Width | 1640 mm | 1660 mm |
| Vehicle Height | 1320 mm | 1400 mm |
| Wheelbase Size | 2440 mm | 2500 mm |
