1977 Fiat X1-9 vs. 1999 GMC Sierra
To start off, 1999 GMC Sierra is newer by 22 year(s). Which means there will be less support and parts availability for 1977 Fiat X1-9. In addition, the cost of maintenance, including insurance, on 1977 Fiat X1-9 would be higher. At 4,293 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (197 HP @ 4600 RPM) has 112 more horse power than 1977 Fiat X1-9. (85 HP @ 5800 RPM) In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1977 Fiat X1-9. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 857 kg more than 1977 Fiat X1-9. 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 1977 Fiat X1-9. 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 (352 Nm @ 2800 RPM) has 234 more torque (in Nm) than 1977 Fiat X1-9. (118 Nm @ 3200 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat X1-9.
Compare all specifications:
| 1977 Fiat X1-9 | 1999 GMC Sierra | |
| Make | Fiat | GMC |
| Model | X1-9 | Sierra |
| Year Released | 1977 | 1999 |
| Engine Position | Middle | Front |
| Engine Size | 1498 cc | 4293 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 197 HP |
| Engine RPM | 5800 RPM | 4600 RPM |
| Torque | 118 Nm | 352 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 918 kg | 1775 kg |
| Vehicle Length | 3980 mm | 5170 mm |
| Vehicle Width | 1570 mm | 2000 mm |
| Vehicle Height | 1150 mm | 1810 mm |
| Wheelbase Size | 2210 mm | 3030 mm |
