2008 Ford Fiesta vs. 1991 Ford Sierra
To start off, 2008 Ford Fiesta is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 2008 Ford Fiesta (89 HP @ 4000 RPM) has 14 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2008 Ford Fiesta should accelerate faster than 1991 Ford Sierra.
Let's talk about torque, 2008 Ford Fiesta (204 Nm @ 1750 RPM) has 52 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2008 Ford Fiesta will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2008 Ford Fiesta | 1991 Ford Sierra | |
| Make | Ford | Ford |
| Model | Fiesta | Sierra |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1559 cc | 1751 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 75 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 204 Nm | 152 Nm |
| Torque RPM | 1750 RPM | 2200 RPM |
| Engine Bore Size | 73 mm | 82.5 mm |
| Engine Stroke Size | 88 mm | 82 mm |
| Engine Compression Ratio | 18.3:1 | 21.5:1 |
| Fuel Type | Diesel | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1145 kg | 1145 kg |
| Vehicle Length | 3920 mm | 4430 mm |
| Vehicle Width | 1690 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2490 mm | 2620 mm |
| Fuel Tank Capacity | 45 L | 60 L |
