Live US dealer listings Median-priced benchmark Updated 2026-09-01
Market price · Used 2021 Mazda CX-30 289 listings tracked

Used 2021 Mazda CX-30 Price in the US

A used 2021 Mazda CX-30 in the US typically lists for $18,177–$21,872, with a median asking price of $19,998 across 289 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $10,999, a 2021 Preferred Package in Jamesburg, NJ — below 95% of the market, so expect an older model year, a base trim or high mileage.

Used 2021 Mazda CX-30 · asking prices288 listings
$15k$24k
Typical range
$18,177 – $21,872
Median
$19,998
Cheapest 5%
under $15,254
Cheapest listed now
$10,999

Browse by model year

cheapest per year

Cheapest 10 listed right now

ranked by price
  1. 2021 Mazda CX-30
    $10,999
    2021 Mazda CX-30 Preferred Package
    155,961 mi · Jamesburg, NJ · Blue Star Cars
    View listing →
  2. 2021 Mazda CX-30
    $13,500
    2021 Mazda CX-30 Select Package
    122,438 mi · E Dundee, IL · Cardeal
    View listing →
  3. 2021 Mazda CX-30
    $13,995
    2021 Mazda CX-30 Select Package
    67,892 mi · Greensboro, NC · Greensboro Auto Works
    View listing →
  4. $14,460
    2021 Mazda CX-30 Select Package
    115,383 mi · Sacramento, CA · M&S Auto
    View listing →
  5. $14,495
    2021 Mazda CX-30 Select Package
    66,271 mi · Miami, FL · INFINITI of South Miami
    View listing →
  6. 2021 Mazda CX-30
    $14,495
    2021 Mazda CX-30 Preferred Package
    127,079 mi · Beverly, MA · BM Best Auto Sales
    View listing →
  7. 2021 Mazda CX-30
    $14,499
    2021 Mazda CX-30 Premium Package
    120,840 mi · Ontario, CA · Smart Motors
    View listing →
  8. 2021 Mazda CX-30
    $14,501
    2021 Mazda CX-30
    73,538 mi · Margate, FL · AutoNation Ford Margate
    View listing →
  9. 2021 Mazda CX-30
    $14,544
    2021 Mazda CX-30 Preferred Package
    108,378 mi · Duluth, GA · BMW of Gwinnett Place
    View listing →
  10. 2021 Mazda CX-30
    $14,750
    2021 Mazda CX-30
    121,217 mi · Williamsburg, VA · Williamsburg Chrysler Jeep Dodge Kia
    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 Mazda CX-30 asks $18,177–$21,872. Cars this far under usually carry an older model year, a base trim or high mileage.

FAQ

How much does a used 2021 Mazda CX-30 cost?

A used 2021 Mazda CX-30 in the US typically lists for $18,177 to $21,872, with a median asking price of $19,998 across 289 active US dealer listings. Nine in ten are priced between $15,254 and $23,897 (as of 2026-09-01, source: UnderMarket Cars).

Is $20,000 a good price for a used 2021 Mazda CX-30?

That sits at about the market median ($19,998) for a used 2021 Mazda CX-30. Under $18,177 puts you in the cheapest quarter of active US listings and under $15,254 in the cheapest 5%; above $23,897 is the priciest 5% (as of 2026-09-01).

What is the cheapest used 2021 Mazda CX-30 for sale right now?

$10,999 — a 2021 Mazda CX-30 Preferred Package in Jamesburg, NJ, $8,999 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 2021 Mazda CX-30 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.