Used 2018 Mazda MAZDA3 Price in the US
A used 2018 Mazda MAZDA3 in the US typically lists for $12,275–$17,990, with a median asking price of $14,997 across 418 active US dealer listings (as of 2026-10-18). The cheapest one listed right now is $4,990, a 2018 Touring in Merced, CA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $12,275 – $17,990
- Median
- $14,997
- Cheapest 5%
- under $8,900
- Cheapest listed now
- $4,990
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
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$5,4502018 Mazda MAZDA3 Sport186,257 mi · Woodbridge, VA · Woodbridge Public Auto AuctionView listing → -
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$6,0002018 Mazda MAZDA3 Sport109,751 mi · Waite Park, MN · Eide Chrysler Dodge Jeep Ram St. CloudView listing →
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$6,9412018 Mazda MAZDA3 Touring174,463 mi · Clearfield, UT · Incredible Auto Sales ClearfieldView listing → -
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2018 Mazda MAZDA3 asks $12,275–$17,990. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
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10 pinnedFAQ
How much does a used 2018 Mazda MAZDA3 cost?
A used 2018 Mazda MAZDA3 in the US typically lists for $12,275 to $17,990, with a median asking price of $14,997 across 418 active US dealer listings. Nine in ten are priced between $8,900 and $19,999 (as of 2026-10-18, source: UnderMarket Cars).
Is $15,000 a good price for a used 2018 Mazda MAZDA3?
That sits at about the market median ($14,997) for a used 2018 Mazda MAZDA3. Under $12,275 puts you in the cheapest quarter of active US listings and under $8,900 in the cheapest 5%; above $19,999 is the priciest 5% (as of 2026-10-18).
What is the cheapest used 2018 Mazda MAZDA3 for sale right now?
$4,990 — a 2018 Mazda MAZDA3 Touring in Merced, CA, $10,007 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 2018 Mazda MAZDA3 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.