1984 Ford Fiesta vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1984 Ford Fiesta. In addition, the cost of maintenance, including insurance, on 1984 Ford Fiesta would be higher. At 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 1991 Ford Sierra (75 HP @ 4500 RPM) has 22 more horse power than 1984 Ford Fiesta. (53 HP @ 4700 RPM) In normal driving conditions, 1991 Ford Sierra should accelerate faster than 1984 Ford Fiesta. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 285 kg more than 1984 Ford Fiesta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 61 more torque (in Nm) than 1984 Ford Fiesta. (91 Nm @ 3000 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Fiesta.
Compare all specifications:
1984 Ford Fiesta | 1991 Ford Sierra | |
Make | Ford | Ford |
Model | Fiesta | Sierra |
Year Released | 1984 | 1991 |
Engine Position | Front | Front |
Engine Size | 1607 cc | 1751 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 53 HP | 75 HP |
Engine RPM | 4700 RPM | 4500 RPM |
Torque | 91 Nm | 152 Nm |
Torque RPM | 3000 RPM | 2200 RPM |
Engine Bore Size | 80 mm | 82.5 mm |
Engine Stroke Size | 80 mm | 82 mm |
Engine Compression Ratio | 21.5:1 | 21.5:1 |
Fuel Type | Diesel | Diesel |
Number of Seats | 5 seats | 5 seats |
Vehicle Weight | 860 kg | 1145 kg |
Vehicle Length | 3650 mm | 4430 mm |
Vehicle Width | 1590 mm | 1700 mm |
Vehicle Height | 1340 mm | 1370 mm |
Wheelbase Size | 2300 mm | 2620 mm |