1991 Ford Sierra vs. 1990 Ford Scorpio
To start off, 1991 Ford Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Ford Scorpio. In addition, the cost of maintenance, including insurance, on 1990 Ford Scorpio would be higher. At 1,998 cc (4 cylinders), 1990 Ford Scorpio is equipped with a bigger engine. In terms of performance, 1990 Ford Scorpio (108 HP @ 5600 RPM) has 33 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 1990 Ford Scorpio should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1990 Ford Scorpio weights approximately 110 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 Ford Scorpio (177 Nm @ 3000 RPM) has 25 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1990 Ford Scorpio will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 1990 Ford Scorpio | |
| Make | Ford | Ford |
| Model | Sierra | Scorpio |
| Year Released | 1991 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 108 HP |
| Engine RPM | 4500 RPM | 5600 RPM |
| Torque | 152 Nm | 177 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1145 kg | 1255 kg |
| Vehicle Length | 4430 mm | 4750 mm |
| Vehicle Width | 1700 mm | 1770 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 2620 mm | 2770 mm |
