Cheapest · Used 2026 Kia K4 Rank #1 / 1,621 listings

Cheapest Used 2026 Kia K4 for Sale in the US

The cheapest used 2026 Kia K4 in the US today costs $17,900 — a 2026 LX LXS located in Columbia, KY. We track 1,621 active listings; the median price is $19,839, so the top deal is $1,939 under the median.

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$17,900

2026 Kia K4 LX LXS

2,124 mi · Columbia, KY · J & S Auto Sales
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$18,450

2026 Kia K4 LX LXS

2,480 mi · Dumfries, VA · Premier Automotive
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$18,975

2026 Kia K4 LX LXS

21,678 mi · Raleigh, NC · Hertz Rent2Buy Raleigh
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$18,976

2026 Kia K4 LX LXS

21,622 mi · Estero, FL · Hertz Rent2Buy Estero
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$18,987

2026 Kia K4 LX LXS

22,635 mi · Woodhaven, MI · Hertz Rent2Buy Woodhaven
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$18,988

2026 Kia K4 LX LXS

21,343 mi · Charlotte, NC · Hertz Rent2Buy Charlotte
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$18,995

2026 Kia K4 LX LXS

4,163 mi · Houston, TX · Houston Auto World
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$18,999

2026 Kia K4 LX LXS

3,105 mi · Staten Island, NY · S I Finest Cars
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$19,020

2026 Kia K4 LX LXS

20,612 mi · Nashville, TN · Hertz Rent2Buy Nashville
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$19,027

2026 Kia K4 LX LXS

21,689 mi · Las Vegas, NV · Hertz Rent2Buy Las Vegas
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