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  • Gray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-Line

    $24,891

    Est. $458/mo

    Suntrup Kia South

    4.8
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    St. Louis, MO (27 mi)

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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $27,685

    MSRP $28,685

    Est. $510/mo

    Jim Butler Kia

    4.7
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    Chesterfield, MO (9 mi)
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  • Wave Blue 2026 Kia K4 GT-LineWave Blue 2026 Kia K4 GT-LineWave Blue 2026 Kia K4 GT-LineWave Blue 2026 Kia K4 GT-LineWave Blue 2026 Kia K4 GT-LineWave Blue 2026 Kia K4 GT-Line

    $28,235

    $199
    575 mi.
    Est. $520/mo

    Suntrup Kia South

    4.8
    Check Availability
    St. Louis, MO (27 mi)
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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $28,630

    MSRP $29,630

    Est. $527/mo

    Jim Butler Kia

    4.7
    Check Availability
    Chesterfield, MO (9 mi)
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  • Interstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-Line

    $28,335

    MSRP $28,835

    Est. $521/mo

    Lou Fusz Kia

    4.6
    Check Availability
    St. Louis, MO (19 mi)
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  • Morning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-Line

    $28,335

    MSRP $29,335

    Est. $521/mo

    Jim Butler Kia

    4.7
    Check Availability
    Chesterfield, MO (9 mi)
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  • Currant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-Line

    $26,130

    MSRP $27,130

    Est. $481/mo

    Jim Butler Kia

    4.7
    Check Availability
    Chesterfield, MO (9 mi)
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  • Interstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-Line

    $28,630

    MSRP $29,630

    Est. $527/mo

    Jim Butler Kia

    4.7
    Check Availability
    Chesterfield, MO (9 mi)
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  • Interstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-Line

    $28,130

    MSRP $29,130

    Est. $518/mo

    Jim Butler Kia

    4.7
    Check Availability
    Chesterfield, MO (9 mi)
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  • Steel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-Line

    $24,182

    Est. $445/mo

    Napleton's Mid Rivers Kia

    3.8
    Check Availability
    Saint Peters, MO (9 mi)
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  • Snow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-Line

    $25,613

    Est. $471/mo

    Napleton's Mid Rivers Kia

    3.8
    Check Availability
    Saint Peters, MO (9 mi)
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  • Currant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-Line

    $28,730

    MSRP $29,230

    Est. $529/mo

    Lou Fusz Kia

    4.6
    Check Availability
    St. Louis, MO (19 mi)
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  • Interstellar Gray 2026 Kia K4 GT-Line

    $25,979

    $551

    MSRP $27,530

    Est. $478/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (17 mi)
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  • $26,082

    $553

    MSRP $27,635

    Est. $480/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (17 mi)
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  • $27,547

    $583

    MSRP $29,130

    Est. $507/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (17 mi)
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  • $27,258

    $577

    MSRP $28,835

    Est. $502/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (17 mi)
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  • $27,935

    $590

    MSRP $29,525

    Est. $514/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (17 mi)
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  • Gray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINE

    $26,682

    Est. $491/mo

    Auffenberg Auto Mall

    4.6
    Check Availability
    Shiloh, IL (46 mi)
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  • Snow White Pearl 2026 Kia K4 GT-LINESnow White Pearl 2026 Kia K4 GT-LINESnow White Pearl 2026 Kia K4 GT-LINESnow White Pearl 2026 Kia K4 GT-LINESnow White Pearl 2026 Kia K4 GT-LINESnow White Pearl 2026 Kia K4 GT-LINE

    $27,061

    Est. $498/mo

    Auffenberg Auto Mall

    4.6
    Check Availability
    Shiloh, IL (46 mi)
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  • Aurora Black Pearl 2026 Kia K4 GT-LINEAurora Black Pearl 2026 Kia K4 GT-LINEAurora Black Pearl 2026 Kia K4 GT-LINEAurora Black Pearl 2026 Kia K4 GT-LINEAurora Black Pearl 2026 Kia K4 GT-LINEAurora Black Pearl 2026 Kia K4 GT-LINE

    $25,813

    Est. $475/mo

    Auffenberg Auto Mall

    4.6
    Check Availability
    Shiloh, IL (46 mi)
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  • Gray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINEGray 2026 Kia K4 GT-LINE

    $26,965

    Est. $496/mo

    Auffenberg Auto Mall

    4.6
    Check Availability
    Shiloh, IL (46 mi)
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About the 2026 Kia K4 GT-Line

Basics

GT-Line shown.

Seating
5
Door count
4
Drivetrain
Front Wheel Drive
Combined MPG
33
Transmission
CVT Transmission
Engine
147.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel)
Side view of the 2026 Kia K4 GT-Line
FAQs

How much does the 2026 Kia K4 GT-Line cost?

The 2026 Kia K4 GT-Line price depends on optional features. Prices typically start at $25,490.

What is the MPG of the 2026 Kia K4 GT-Line?

The 2026 Kia K4 GT-Line offers up to 29 MPG in city driving and 39 MPG on the highway for a combined rating of 33 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2026 Kia K4 GT-Line?

The 2026 Kia K4 GT-Line compares to and/or competes against the following vehicles:


Is the 2026 Kia K4 GT-Line reliable?

The 2026 Kia K4 has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 K4 owners.

Ratings (2 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
5.0
Interior
5.0
Performance
5.0
Value
5.0
Exterior
5.0
Reliability
5.0
Trims

GT-Line (2 styles)

Style
GT-Line Sedan GT-Line Hatchback
Inventory price
Starting at $25,490 Starting at $25,990
Combined MPG
33 0
Engine
147.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel) 147.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel)
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Kia K4 trims