Used 2026 Kia K4 Price in the US
A used 2026 Kia K4 in the US typically lists for $20,611–$21,995, with a median asking price of $21,112 across 1,073 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $17,697, a 2026 LX LXS in Cleveland, OH — below 95% of the market, so expect an older model year, a base trim or high mileage.
- Typical range
- $20,611 – $21,995
- Median
- $21,112
- Cheapest 5%
- under $19,599
- Cheapest listed now
- $17,697
Browse by model year
cheapest per yearCheapest 10 listed right now
ranked by price-
$17,6972026 Kia K4 LX LXS8,007 mi · Cleveland, OH · North Coast Mitsubishi West ClevelandView listing →
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$18,7512026 Kia K4 LX LXS14,982 mi · Jacksonville, FL · Hertz Rent2Buy JacksonvilleView listing → -
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These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2026 Kia K4 asks $20,611–$21,995. Cars this far under usually carry an older model year, a base trim or high mileage.
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10 pinnedFAQ
How much does a used 2026 Kia K4 cost?
A used 2026 Kia K4 in the US typically lists for $20,611 to $21,995, with a median asking price of $21,112 across 1,073 active US dealer listings. Nine in ten are priced between $19,599 and $25,290 (as of 2026-09-01, source: UnderMarket Cars).
Is $21,000 a good price for a used 2026 Kia K4?
That sits at about the market median ($21,112) for a used 2026 Kia K4. Under $20,611 puts you in the cheapest quarter of active US listings and under $19,599 in the cheapest 5%; above $25,290 is the priciest 5% (as of 2026-09-01).
What is the cheapest used 2026 Kia K4 for sale right now?
$17,697 — a 2026 Kia K4 LX LXS in Cleveland, OH, $3,415 under the median (as of 2026-09-01).
Are these MSRP or real asking prices?
Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.
How often are prices updated?
UnderMarket Cars refreshes US dealer listings continuously and re-generates this used 2026 Kia K4 price page at least twice a day. The data date shown on this page is 2026-09-01.
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Prices updated 2026-09-01. Data covers active dealer listings across the USA.