1999 Daihatsu Sirion vs. 1981 Fiat 127
To start off, 1999 Daihatsu Sirion is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Fiat 127. In addition, the cost of maintenance, including insurance, on 1981 Fiat 127 would be higher. At 1,301 cc (4 cylinders), 1981 Fiat 127 is equipped with a bigger engine. In terms of performance, 1999 Daihatsu Sirion (53 HP @ 5200 RPM) has 9 more horse power than 1981 Fiat 127. (44 HP @ 5000 RPM). In normal driving conditions, 1999 Daihatsu Sirion should accelerate faster than 1981 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 1981 Fiat 127 weights approximately 25 kg more than 1999 Daihatsu Sirion.
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, 1999 Daihatsu Sirion (88 Nm @ 3600 RPM) has 13 more torque (in Nm) than 1981 Fiat 127. (75 Nm @ 3000 RPM). This means 1999 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 127.
Compare all specifications:
| 1999 Daihatsu Sirion | 1981 Fiat 127 | |
| Make | Daihatsu | Fiat |
| Model | Sirion | 127 |
| Year Released | 1999 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 1301 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 44 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 88 Nm | 75 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 71.9 mm | 76.1 mm |
| Engine Stroke Size | 81 mm | 71.5 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 810 kg | 835 kg |
| Vehicle Length | 3680 mm | 3650 mm |
| Vehicle Width | 1600 mm | 1530 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 2350 mm | 2230 mm |
