Kia Optima Specs Engine 2015 Engine

2015 Kia Optima Engine Options & Parameters

What engine does a 2015 Kia Optima have? It all depends on the trim level.

To determine which engine is used in your 2015 Kia Optima, locate the VIN (found in the owner’s manual, under the hood, or on the windshield or driver’s side door), write it down, and decode it online.

Below you can learn about the technical specifications for each 2015 Kia Optima motor and explore the list of other vehicles using the same engines.

2015 Kia Optima Engine Options


G4KE G4KH

Hyundai / Inline-4 / Theta - Petrol / Series 2 / G4KE

Engine manufacturer
A car and its engine do not always share the same manufacturer. Sometimes the engine and other components can be borrowed from other manufacturers.
Hyundai
Engine family
Usually in the same family are engines with the same volume and layout. Some parts of the same engine family may be interchangeable with each other.
Theta
Engine series
Each individual engine series has its own design features and is installed on certain vehicles.
Series 2
Displacement
The more cylinders in the engine and the higher their total volume, the more powerful the car is considered. On the other hand, the more cylinders an engine has, the higher the fuel consumption.
2.4L I-4
Horsepower
This is the main indicator of the car's power. The higher the number of horsepowers, the faster the car is able to accelerate.
177 hp
Torque
Engine torque is a measure of the twisting force that an engine produces at its crankshaft. It is a key factor in determining an engine's power output, as well as its ability to accelerate and tow heavy loads.
170 lb-ft.
Oil capacity
Keep an eye on the oil level in the engine. If it is too low, it can cause a breakdown, because all its elements must be abundantly lubricated during the operation. If it is too much oil, it will interfere with normal engine operation and create excessive resistance.
5.1 quarts
Oil viscosity
Different engines require different viscosity grades of oil, which are specified by the engine manufacturer. These viscosity grades are typically denoted by a number and a letter, such as 5W-30 or 10W-40. The number represents the oil's viscosity at low temperatures, while the letter represents its viscosity at high temperatures.
5W-30
Oil drain plug torque
When changing the oil, make sure that you tighten the oil plug strictly with the necessary torque. If you screw it in too loosely, the oil may simply leak out, or if you apply too much force, you risk damaging the threads.
30 lb-ft
Coolant capacity
Lack of coolant in the system can lead to engine overheating, which in turn leads to costly repairs. Ensure that the coolant amount is always at the level specified in the manual.
7.2 quarts
Battery size
There is a special area for the battery in your car. When selecting a battery, make sure that it will fit in its intended location and will not be too large.
H6-AGM
Other cars with Hyundai / Inline-4 / Theta - Petrol / Series 2 / G4KE engine
Hyundai Santa Fe 2010, 2011, 2012
Hyundai Sonata 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Kia Forte 2010, 2011, 2012, 2013
Kia Sorento 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020

Hyundai / Inline-4 / Theta - Petrol / Series 2 Turbo / G4KH

Engine manufacturer
A car and its engine do not always share the same manufacturer. Sometimes the engine and other components can be borrowed from other manufacturers.
Hyundai
Engine family
Usually in the same family are engines with the same volume and layout. Some parts of the same engine family may be interchangeable with each other.
Theta
Engine series
Each individual engine series has its own design features and is installed on certain vehicles.
Series 2 Turbo
Displacement
The more cylinders in the engine and the higher their total volume, the more powerful the car is considered. On the other hand, the more cylinders an engine has, the higher the fuel consumption.
2.0L I-4
Horsepower
This is the main indicator of the car's power. The higher the number of horsepowers, the faster the car is able to accelerate.
243 hp
Torque
Engine torque is a measure of the twisting force that an engine produces at its crankshaft. It is a key factor in determining an engine's power output, as well as its ability to accelerate and tow heavy loads.
260 lb-ft.
Oil capacity
Keep an eye on the oil level in the engine. If it is too low, it can cause a breakdown, because all its elements must be abundantly lubricated during the operation. If it is too much oil, it will interfere with normal engine operation and create excessive resistance.
5.1 quarts
Oil viscosity
Different engines require different viscosity grades of oil, which are specified by the engine manufacturer. These viscosity grades are typically denoted by a number and a letter, such as 5W-30 or 10W-40. The number represents the oil's viscosity at low temperatures, while the letter represents its viscosity at high temperatures.
5W-30
Oil drain plug torque
When changing the oil, make sure that you tighten the oil plug strictly with the necessary torque. If you screw it in too loosely, the oil may simply leak out, or if you apply too much force, you risk damaging the threads.
30 lb-ft
Coolant capacity
Lack of coolant in the system can lead to engine overheating, which in turn leads to costly repairs. Ensure that the coolant amount is always at the level specified in the manual.
7.0 quarts
Battery size
There is a special area for the battery in your car. When selecting a battery, make sure that it will fit in its intended location and will not be too large.
124R-2
Other cars with Hyundai / Inline-4 / Theta - Petrol / Series 2 Turbo / G4KH engine
Hyundai Elantra 2020, 2021, 2022, 2023
Hyundai Kona 2018, 2019, 2020, 2021, 2022, 2023
Hyundai Santa Fe 2019, 2020
Hyundai Sonata 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Hyundai Veloster 2019, 2020, 2021
Kia Sportage 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Engine
LX 4dr Sedan
Horsepower: 192 hp; Torque: 181 Lb-ft; 0-60mph 0-100kmh s: 7.9 sec; Fuel economy city: no data; Fuel economy highway: no data;
Engine: 2.4L I-4
EX 4dr Sedan
Horsepower: 192 hp; Torque: 181 Lb-ft; 0-60mph 0-100kmh s: 8 sec; Fuel economy city: no data; Fuel economy highway: no data;
Engine: 2.4L I-4
SX 4dr Sedan
Horsepower: 192 hp; Torque: 181 Lb-ft; 0-60mph 0-100kmh s: 7.9 sec; Fuel economy city: no data; Fuel economy highway: no data;
Engine: 2.4L I-4
SX Turbo 4dr Sedan
Horsepower: 274 hp; Torque: 269 Lb-ft; 0-60mph 0-100kmh s: 6.4 sec; Fuel economy city: no data; Fuel economy highway: no data;
Engine: 2.0L I-4
SXL Turbo 4dr Sedan
Horsepower: 274 hp; Torque: 269 Lb-ft; 0-60mph 0-100kmh s: 6.4 sec; Fuel economy city: no data; Fuel economy highway: no data;
Engine: 2.0L I-4

Have you ever been among that type of people who is enthusiast about speed and enjoy the engine strength and the gust in your hair? Or do you desire to make a satisfying family journey? There is no distinction, as long as in both variants you should inspect all of the crucial moments that impact engine productivity to see how your peculiar 2015 Kia Optima works. And for this reason, our specialists` tables with the essential engine particularizations would certainly assist a driver to waste no time.

At the present time, a good deal of cars, and your 2015 Kia Optima is not the exception, yield stirrings functionality, yet not each and every could get behind reputable exploitation with an acceptable cost. On the other hand, the 2015 Kia Optima engine mostly has been created to warrant that passengers as well as a vehicle driver may feel comfy whenever the automobile is driving.

Manufacturers of your own 2015 Kia Optima frequently try to refine and improve not only auto seating or chassis, but in addition the functioning altogether. This is why a car lover is offered to revise not only the 2015 Kia Optima engine specifications but in addition the transmission and platform. The first aspect might influence the car's efficiency and may even provide a motorist ideal control over the automobile. The second consideration would also have a particular effect on your personal model work. There are also other factors that take their toll on the 2015 Kia Optima engine potential - heat loss, gas pumping, chemical substance energy loss, plus some more. An automobile owner definitely ought to know the sum of them in order to classify the trouble with engine overall performance when required.

Finally, in case a motorist desires to keep their 2015 Kia Optima engine all in one piece, the vehicle lover ought to look after the engine in the proper way. Probably the most regular servicing processes for upgrading the engine's longevity incorporate replacing fuel filters and examining air filters, shifting the oil routinely timeous, looking at cooling down systems, and also not driving on minimum gas pointers. All these procedures will not only keep your own 2015 Kia Optima engine robust but as well be frugal.

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