1991 Ford Sierra vs. 2012 Kia Optima
To start off, 2012 Kia Optima is newer by 21 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 2,400 cc (4 cylinders), 2012 Kia Optima is equipped with a bigger engine. In terms of performance, 2012 Kia Optima (166 HP @ 6000 RPM) has 91 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2012 Kia Optima should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2012 Kia Optima weights approximately 438 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, 2012 Kia Optima (209 Nm @ 4250 RPM) has 57 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2012 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
1991 Ford Sierra | 2012 Kia Optima | |
Make | Ford | Kia |
Model | Sierra | Optima |
Year Released | 1991 | 2012 |
Engine Position | Front | Front |
Engine Size | 1751 cc | 2400 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 75 HP | 166 HP |
Engine RPM | 4500 RPM | 6000 RPM |
Torque | 152 Nm | 209 Nm |
Torque RPM | 2200 RPM | 4250 RPM |
Fuel Type | Diesel | Gasoline / Electric Hybrid |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1145 kg | 1583 kg |
Vehicle Length | 4430 mm | 4844 mm |
Vehicle Width | 1700 mm | 1831 mm |
Vehicle Height | 1370 mm | 1455 mm |
Wheelbase Size | 2620 mm | 2797 mm |
Fuel Tank Capacity | 60 L | 65 L |