1981 Fiat 131 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 131. In addition, the cost of maintenance, including insurance, on 1981 Fiat 131 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 171 more horse power than 1981 Fiat 131. (111 HP @ 5600 RPM) In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1981 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 730 kg more than 1981 Fiat 131. 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 131. 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 273 more torque (in Nm) than 1981 Fiat 131. (167 Nm @ 3600 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 131.
Compare all specifications:
| 1981 Fiat 131 | 1999 GMC Sierra | |
| Make | Fiat | GMC |
| Model | 131 | Sierra |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5325 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 111 HP | 282 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 167 Nm | 440 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1105 kg | 1835 kg |
| Vehicle Length | 4270 mm | 5170 mm |
| Vehicle Width | 1660 mm | 2000 mm |
| Vehicle Height | 1400 mm | 1810 mm |
| Wheelbase Size | 2500 mm | 3030 mm |
