1981 Fiat 131 vs. 1985 Ford Sierra
To start off, 1985 Ford Sierra is newer by 4 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 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 37 more horse power than 1981 Fiat 131. (111 HP @ 5600 RPM) In normal driving conditions, 1985 Ford Sierra should accelerate faster than 1981 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1985 Ford Sierra weights approximately 100 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.
Let's talk about torque, 1985 Ford Sierra (220 Nm @ 3800 RPM) has 53 more torque (in Nm) than 1981 Fiat 131. (167 Nm @ 3600 RPM). This means 1985 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 131.
Compare all specifications:
| 1981 Fiat 131 | 1985 Ford Sierra | |
| Make | Fiat | Ford |
| Model | 131 | Sierra |
| Year Released | 1981 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2790 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 148 HP |
| Engine RPM | 5600 RPM | 5700 RPM |
| Torque | 167 Nm | 220 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1105 kg | 1205 kg |
| Vehicle Length | 4270 mm | 4400 mm |
| Vehicle Width | 1660 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
