Live US dealer listings Median-priced benchmark Updated 2026-10-18
Market price · Used Kia K4 5,878 listings tracked

Used Kia K4 Price in the US

A used Kia K4 in the US typically lists for $19,900–$21,943, with a median asking price of $20,714 across 5,878 active US dealer listings (as of 2026-10-18). The cheapest one listed right now is $8,925, a 2025 GT Line in Tucker, GA — below 95% of the market, so expect an older model year, high mileage or a branded title — check the vehicle history.

Used Kia K4 · asking prices5,878 listings
$18k$25k
Typical range
$19,900 – $21,943
Median
$20,714
Cheapest 5%
under $18,266
Cheapest listed now
$8,925

Browse by model year

typical price per year

Cheapest 10 listed right now

ranked by price
  1. 2025 Kia K4
    $8,925
    2025 Kia K4 GT Line
    14,663 mi · Tucker, GA · Auto4export Llc
    View listing →
  2. 2025 Kia K4
    $11,858
    2025 Kia K4 EX
    8,068 mi · Salt Lake City, UT · Auto LifeStyle
    View listing →
  3. 2025 Kia K4
    $14,990
    2025 Kia K4 LX LXS
    19,819 mi · Clayton, NC · Timeline Motors
    View listing →
  4. 2025 Kia K4
    $15,000
    2025 Kia K4 LX LXS
    126,629 mi · Orlando, FL · Auto Easy
    View listing →
  5. 2025 Kia K4
    $15,493
    2025 Kia K4 LX LXS
    23,685 mi · Hialeah, FL · H&Y Automobile · +1 more like it here
    View listing →
  6. 2025 Kia K4
    $15,750
    2025 Kia K4 EX
    10,690 mi · Lindon, UT · NeXgen Motors
    View listing →
  7. $15,887
    2025 Kia K4 LX LXS
    35,861 mi · Long Island City, NY · Major World
    View listing →
  8. 2025 Kia K4
    $15,900
    2025 Kia K4 LX LXS
    11,224 mi · Hollywood, FL · DAS Motors · +1 more like it here
    View listing →
  9. $15,921
    2025 Kia K4 LX LXS
    25,580 mi · Kaysville, UT · GP Motor Company
    View listing →
  10. 2025 Kia K4
    $15,992
    2025 Kia K4 LX LXS
    3,675 mi · Miami, FL · Discount Auto Sales of Miami
    View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used Kia K4 asks $19,900–$21,943. Cars this far under: expect an older model year, high mileage or a branded title — check the vehicle history.

FAQ

How much does a used Kia K4 cost?

A used Kia K4 in the US typically lists for $19,900 to $21,943, with a median asking price of $20,714 across 5,878 active US dealer listings. Nine in ten are priced between $18,266 and $24,873 (as of 2026-10-18, source: UnderMarket Cars).

Is $21,000 a good price for a used Kia K4?

That sits at about the market median ($20,714) for a used Kia K4. Under $19,900 puts you in the cheapest quarter of active US listings and under $18,266 in the cheapest 5%; above $24,873 is the priciest 5% (as of 2026-10-18).

What is the cheapest used Kia K4 for sale right now?

$8,925 — a 2025 Kia K4 GT Line in Tucker, GA, $11,789 under the median (as of 2026-10-18).

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?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used Kia K4 page is regenerated from it when it is requested. The figures on this page are from 2026-10-18.

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Prices updated 2026-10-18. Data covers active dealer listings across the USA.