1983 Fiat 127 vs. 1991 Renault 21
To start off, 1991 Renault 21 is newer by 8 year(s). Which means there will be less support and parts availability for 1983 Fiat 127. In addition, the cost of maintenance, including insurance, on 1983 Fiat 127 would be higher. At 1,721 cc (4 cylinders), 1991 Renault 21 is equipped with a bigger engine. In terms of performance, 1991 Renault 21 (75 HP @ 5000 RPM) has 26 more horse power than 1983 Fiat 127. (49 HP @ 5600 RPM) In normal driving conditions, 1991 Renault 21 should accelerate faster than 1983 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 1991 Renault 21 weights approximately 190 kg more than 1983 Fiat 127. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1991 Renault 21 (129 Nm @ 3250 RPM) has 52 more torque (in Nm) than 1983 Fiat 127. (77 Nm @ 3000 RPM). This means 1991 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1983 Fiat 127.
Compare all specifications:
| 1983 Fiat 127 | 1991 Renault 21 | |
| Make | Fiat | Renault |
| Model | 127 | 21 |
| Year Released | 1983 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1048 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 49 HP | 75 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 77 Nm | 129 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 67.2 mm | 81 mm |
| Engine Stroke Size | 68 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 830 kg | 1020 kg |
| Vehicle Length | 3930 mm | 4650 mm |
| Vehicle Width | 1550 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2230 mm | 2820 mm |
