1973 Fiat 128 vs. 1984 Ford Sierra
To start off, 1984 Ford Sierra is newer by 11 year(s). Which means there will be less support and parts availability for 1973 Fiat 128. In addition, the cost of maintenance, including insurance, on 1973 Fiat 128 would be higher. At 2,304 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1984 Ford Sierra (66 HP @ 4200 RPM) has 3 more horse power than 1973 Fiat 128. (63 HP @ 6000 RPM) In normal driving conditions, 1984 Ford Sierra should accelerate faster than 1973 Fiat 128. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 415 kg more than 1973 Fiat 128. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1984 Ford Sierra (140 Nm @ 2000 RPM) has 57 more torque (in Nm) than 1973 Fiat 128. (83 Nm @ 4400 RPM). This means 1984 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Fiat 128.
Compare all specifications:
| 1973 Fiat 128 | 1984 Ford Sierra | |
| Make | Fiat | Ford |
| Model | 128 | Sierra |
| Year Released | 1973 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1116 cc | 2304 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 63 HP | 66 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 83 Nm | 140 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 94 mm |
| Engine Stroke Size | 55.5 mm | 83 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 820 kg | 1235 kg |
| Vehicle Length | 3820 mm | 4510 mm |
| Vehicle Width | 1570 mm | 1740 mm |
| Vehicle Height | 1320 mm | 1450 mm |
| Wheelbase Size | 2230 mm | 2620 mm |
| Fuel Tank Capacity | 50 L | 60 L |
