1991 Ford Sierra vs. 1998 Kia Potentia
To start off, 1998 Kia Potentia is newer by 7 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 1,998 cc (4 cylinders), 1998 Kia Potentia is equipped with a bigger engine. In terms of performance, 1998 Kia Potentia (138 HP @ 6000 RPM) has 63 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 1998 Kia Potentia should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Kia Potentia weights approximately 320 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, 1998 Kia Potentia (181 Nm @ 4000 RPM) has 29 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1998 Kia Potentia will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 1998 Kia Potentia | |
| Make | Ford | Kia |
| Model | Sierra | Potentia |
| Year Released | 1991 | 1998 |
| 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 | 138 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 152 Nm | 181 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 85.1 mm |
| Engine Stroke Size | 82 mm | 87.9 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1145 kg | 1465 kg |
| Vehicle Length | 4430 mm | 4960 mm |
| Vehicle Width | 1700 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2720 mm |
