Live US dealer listings Median-priced benchmark Updated 2026-10-17
Market price · Used 2021 Kia RIO 77 listings tracked

Used 2021 Kia RIO Price in the US

A used 2021 Kia RIO in the US typically lists for $10,349–$14,793, with a median asking price of $12,391 across 77 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $4,000, a 2021 LX S in Fulton, CA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2021 Kia RIO · asking prices77 listings
$7,000$18k
Typical range
$10,349 – $14,793
Median
$12,391
Cheapest 5%
under $7,700
Cheapest listed now
$4,000

Browse by model year

typical price per year
More years (14)

Cheapest 10 listed right now

ranked by price
  1. 2021 Kia RIO
    $4,000
    2021 Kia RIO LX S
    32,438 mi · Fulton, CA
    View listing →
  2. 2021 Kia RIO
    $6,800
    2021 Kia RIO LX S
    93,750 mi · Goodyear, AZ
    View listing →
  3. 2021 Kia RIO
    $6,809
    2021 Kia RIO LX S
    142,603 mi · Livonia, MI · Lafontaine Mazda
    View listing →
  4. 2021 Kia RIO
    $7,699
    2021 Kia RIO LX S
    107,000 mi · Denver, CO · Rideaway Auto Sales
    View listing →
  5. $7,700
    2021 Kia RIO LX S
    99,008 mi · Melbourne, FL · Sunshine Auto Outlet
    View listing →
  6. 2021 Kia RIO
    $7,995
    2021 Kia RIO LX S
    71,394 mi · Marietta, GA · VIP Kars
    View listing →
  7. $8,888
    2021 Kia RIO LX S
    130,445 mi · Los Angeles, CA · All Fleet
    View listing →
  8. 2021 Kia RIO
    $8,900
    2021 Kia RIO LX S
    79,000 mi · Wyoming, MI · Adventure Motors
    View listing →
  9. 2021 Kia RIO
    $8,990
    2021 Kia RIO S
    129,787 mi · Deerfield Beach, FL · B2 Auto Sales
    View listing →
  10. 2021 Kia RIO
    $8,995
    2021 Kia RIO LX S
    193,428 mi · Kemah, TX · Texas 1 Auto Finance
    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 2021 Kia RIO asks $10,349–$14,793. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2021 Kia RIO cost?

A used 2021 Kia RIO in the US typically lists for $10,349 to $14,793, with a median asking price of $12,391 across 77 active US dealer listings. Nine in ten are priced between $7,700 and $17,053 (as of 2026-10-17, source: UnderMarket Cars).

Is $12,000 a good price for a used 2021 Kia RIO?

That sits at about the market median ($12,391) for a used 2021 Kia RIO. Under $10,349 puts you in the cheapest quarter of active US listings and under $7,700 in the cheapest 5%; above $17,053 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2021 Kia RIO for sale right now?

$4,000 — a 2021 Kia RIO LX S in Fulton, CA, $8,391 under the median (as of 2026-10-17).

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 2021 Kia RIO page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.

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Prices updated 2026-10-17. Data covers active dealer listings across the USA.