Live US dealer listings Median-priced benchmark Updated 2026-08-30
Market price · Used 2018 Mazda MX-5 56 listings tracked

Used 2018 Mazda MX-5 Price in the US

A used 2018 Mazda MX-5 in the US typically lists for $19,465–$24,481, with a median asking price of $21,777 across 56 active US dealer listings (as of 2026-08-30). The cheapest one listed right now is $8,858, a 2018 Grand Touring Soft in Salt Lake City, UT — below 95% of the market, so expect an older model year, a base trim or high mileage.

Used 2018 Mazda MX-5 · asking prices56 listings
$15k$27k
Typical range
$19,465 – $24,481
Median
$21,777
Cheapest 5%
under $15,739
Cheapest listed now
$8,858

Browse by model year

cheapest per year

Cheapest 10 listed right now

ranked by price
  1. $8,858
    2018 Mazda MX-5 Grand Touring Soft
    35,113 mi · Salt Lake City, UT · Auto LifeStyle
    View listing →
  2. 2018 Mazda MX-5
    $14,900
    2018 Mazda MX-5 Grand Touring
    68,000 mi · Somerset, KY · Slate Branch Auto
    View listing →
  3. $15,000
    2018 Mazda MX-5 Club Soft Top
    42,662 mi · Plano, TX · Schneck Motor Company
    View listing →
  4. 2018 Mazda MX-5
    $15,985
    2018 Mazda MX-5 Grand Touring Soft
    87,675 mi · Wichita, KS · Global Auto Company Sales Center
    View listing →
  5. 2018 Mazda MX-5
    $16,295
    2018 Mazda MX-5 Grand Touring Soft
    72,461 mi · Jacksonville, FL · Auto Boutique Florida
    View listing →
  6. 2018 Mazda MX-5
    $16,299
    2018 Mazda MX-5 Grand Touring Soft
    68,474 mi · Palmetto Bay, FL · HGreg Nissan Kendall
    View listing →
  7. 2018 Mazda MX-5
    $16,900
    2018 Mazda MX-5 Grand Touring Hard
    91,692 mi · Caldwell, ID · Performance Auto Group
    View listing →
  8. 2018 Mazda MX-5
    $16,900
    2018 Mazda MX-5 Club Soft Top
    90,000 mi · Westwood, MA · Ira Mazda
    View listing →
  9. 2018 Mazda MX-5
    $16,995
    2018 Mazda MX-5 Grand Touring Soft
    26,599 mi · Milford, OH · Premier Automotive Group
    View listing →
  10. $18,165
    2018 Mazda MX-5 Grand Touring Soft
    72,375 mi · East Rochester, NY · Balkan Motors
    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 2018 Mazda MX-5 asks $19,465–$24,481. Cars this far under usually carry an older model year, a base trim or high mileage.

FAQ

How much does a used 2018 Mazda MX-5 cost?

A used 2018 Mazda MX-5 in the US typically lists for $19,465 to $24,481, with a median asking price of $21,777 across 56 active US dealer listings. Nine in ten are priced between $15,739 and $26,992 (as of 2026-08-30, source: UnderMarket Cars).

Is $22,000 a good price for a used 2018 Mazda MX-5?

That sits at about the market median ($21,777) for a used 2018 Mazda MX-5. Under $19,465 puts you in the cheapest quarter of active US listings and under $15,739 in the cheapest 5%; above $26,992 is the priciest 5% (as of 2026-08-30).

What is the cheapest used 2018 Mazda MX-5 for sale right now?

$8,858 — a 2018 Mazda MX-5 Grand Touring Soft in Salt Lake City, UT, $12,919 under the median (as of 2026-08-30).

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 2018 Mazda MX-5 price page at least twice a day. The data date shown on this page is 2026-08-30.

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Prices updated 2026-08-30. Data covers active dealer listings across the USA.