1972 Fiat 125 vs. 1986 Ford Sierra
To start off, 1986 Ford Sierra is newer by 14 year(s). Which means there will be less support and parts availability for 1972 Fiat 125. In addition, the cost of maintenance, including insurance, on 1972 Fiat 125 would be higher. At 1,993 cc (4 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (202 HP @ 6000 RPM) has 112 more horse power than 1972 Fiat 125. (90 HP @ 5600 RPM) In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1972 Fiat 125. With that said, vehicle weight also plays an important factor in acceleration. 1986 Ford Sierra weights approximately 220 kg more than 1972 Fiat 125. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1986 Ford Sierra (277 Nm @ 4500 RPM) has 146 more torque (in Nm) than 1972 Fiat 125. (131 Nm @ 4000 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1972 Fiat 125.
Compare all specifications:
| 1972 Fiat 125 | 1986 Ford Sierra | |
| Make | Fiat | Ford |
| Model | 125 | Sierra |
| Year Released | 1972 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1608 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 202 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 131 Nm | 277 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 80 mm | 90.8 mm |
| Engine Stroke Size | 80 mm | 77 mm |
| Engine Compression Ratio | 8.8:1 | 8.0:1 |
| Top Speed | 161 km/hour | 230 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 960 kg | 1180 kg |
| Vehicle Length | 4230 mm | 4430 mm |
| Vehicle Width | 1610 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2610 mm |
| Fuel Tank Capacity | 45 L | 116 L |
