1978 Fiat 127 vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Fiat 127. In addition, the cost of maintenance, including insurance, on 1978 Fiat 127 would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 268 more horse power than 1978 Fiat 127. (44 HP @ 5600 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1978 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1730 kg more than 1978 Fiat 127. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1978 Fiat 127. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 442 more torque (in Nm) than 1978 Fiat 127. (64 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Fiat 127. 2007 GMC Sierra has automatic transmission and 1978 Fiat 127 has manual transmission. 1978 Fiat 127 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Fiat 127 | 2007 GMC Sierra | |
| Make | Fiat | GMC |
| Model | 127 | Sierra |
| Year Released | 1978 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 903 cc | 5999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 44 HP | 312 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 64 Nm | 506 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Engine Bore Size | 65 mm | 102 mm |
| Engine Stroke Size | 67.7 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 705 kg | 2435 kg |
| Vehicle Length | 3650 mm | 6580 mm |
| Vehicle Width | 1530 mm | 2440 mm |
| Vehicle Height | 1370 mm | 1940 mm |
| Wheelbase Size | 2230 mm | 4250 mm |
