1981 Fiat 127 vs. 1999 GMC Sierra
To start off, 1999 GMC Sierra 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 5,325 cc (8 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (282 HP @ 5200 RPM) has 233 more horse power than 1981 Fiat 127. (49 HP @ 5600 RPM) In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1981 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 1005 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.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1981 Fiat 127. In wet, icy, snow, or gravel driving conditions, 1999 GMC Sierra will offer significantly more control. 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 GMC Sierra (440 Nm @ 4000 RPM) has 363 more torque (in Nm) than 1981 Fiat 127. (77 Nm @ 3000 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 127.
Compare all specifications:
| 1981 Fiat 127 | 1999 GMC Sierra | |
| Make | Fiat | GMC |
| Model | 127 | Sierra |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1049 cc | 5325 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 49 HP | 282 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 77 Nm | 440 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 830 kg | 1835 kg |
| Vehicle Length | 3930 mm | 5170 mm |
| Vehicle Width | 1550 mm | 2000 mm |
| Vehicle Height | 1430 mm | 1810 mm |
| Wheelbase Size | 2230 mm | 3030 mm |
