2003 Fiat Siena vs. 1981 Fiat 127
To start off, 2003 Fiat Siena is newer by 22 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 1,049 cc (4 cylinders), 1981 Fiat 127 is equipped with a bigger engine. In terms of performance, 2003 Fiat Siena (70 HP @ 5750 RPM) has 21 more horse power than 1981 Fiat 127. (49 HP @ 5600 RPM). In normal driving conditions, 2003 Fiat Siena should accelerate faster than 1981 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 2003 Fiat Siena weights approximately 190 kg more than 1981 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, 2003 Fiat Siena (95 Nm @ 4000 RPM) has 18 more torque (in Nm) than 1981 Fiat 127. (77 Nm @ 3000 RPM). This means 2003 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 127.
Compare all specifications:
| 2003 Fiat Siena | 1981 Fiat 127 | |
| Make | Fiat | Fiat |
| Model | Siena | 127 |
| Year Released | 2003 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 999 cc | 1049 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 49 HP |
| Engine RPM | 5750 RPM | 5600 RPM |
| Torque | 95 Nm | 77 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1020 kg | 830 kg |
| Vehicle Length | 4110 mm | 3930 mm |
| Vehicle Width | 1630 mm | 1550 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2380 mm | 2230 mm |
