1973 Fiat 500 vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 14 year(s). Which means there will be less support and parts availability for 1973 Fiat 500. In addition, the cost of maintenance, including insurance, on 1973 Fiat 500 would be higher. At 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (113 HP @ 5300 RPM) has 95 more horse power than 1973 Fiat 500. (18 HP @ 4600 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1973 Fiat 500. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 580 kg more than 1973 Fiat 500. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 153 more torque (in Nm) than 1973 Fiat 500. (27 Nm @ 3200 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Fiat 500.
Compare all specifications:
| 1973 Fiat 500 | 1987 Ford Sierra | |
| Make | Fiat | Ford |
| Model | 500 | Sierra |
| Year Released | 1973 | 1987 |
| Engine Position | Rear | Front |
| Engine Size | 499 cc | 2294 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 18 HP | 113 HP |
| Engine RPM | 4600 RPM | 5300 RPM |
| Torque | 27 Nm | 180 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 67.4 mm | 96 mm |
| Engine Stroke Size | 70 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 510 kg | 1090 kg |
| Vehicle Length | 2980 mm | 4400 mm |
| Vehicle Width | 1330 mm | 1680 mm |
| Vehicle Height | 1330 mm | 1370 mm |
| Wheelbase Size | 1850 mm | 2620 mm |
| Fuel Tank Capacity | 22 L | 45 L |
