Live US dealer listings Median-priced benchmark Updated 2026-10-19
Market price · Used 2018 Infiniti QX30 184 listings tracked

Used 2018 Infiniti QX30 Price in the US

A used 2018 Infiniti QX30 in the US typically lists for $10,571–$15,990, with a median asking price of $13,600 across 184 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $6,900, a 2018 Base in Lutz, FL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2018 Infiniti QX30 · asking prices184 listings
$8,000$19k
Typical range
$10,571 – $15,990
Median
$13,600
Cheapest 5%
under $8,509
Cheapest listed now
$6,900

Browse by model year

typical price per year

Cheapest 10 listed right now

ranked by price
  1. $6,900
    2018 Infiniti QX30 Base
    121,533 mi · Lutz, FL · HNH Motors
    View listing →
  2. $6,999
    2018 Infiniti QX30 Premium
    134,367 mi · Mooresville, NC · Spiffy Auto World
    View listing →
  3. $7,499
    2018 Infiniti QX30 IN Center Point
    128,000 mi · Center Point, AL · Parkway Automotives
    View listing →
  4. $7,499
    2018 Infiniti QX30 Premium
    115,691 mi · Yonkers, NY · Mega Deal Auto Sales
    View listing →
  5. $7,595
    2018 Infiniti QX30 Premium
    136,456 mi · Kissimmee, FL · Expedi Racing Autos
    View listing →
  6. 2018 Infiniti QX30
    $7,650
    2018 Infiniti QX30 Base
    145,588 mi · Dallas, TX · Always A Way Automotive
    View listing →
  7. $7,699
    2018 Infiniti QX30 Premium
    145,000 mi · Norfolk, VA · Carbon Motors
    View listing →
  8. 2018 Infiniti QX30
    $8,000
    2018 Infiniti QX30
    152,927 mi · Saint paul, MN
    View listing →
  9. 2018 Infiniti QX30
    $8,367
    2018 Infiniti QX30 Luxury
    133,154 mi · Libertyville, IL · Libertyville Happy Hyundai
    View listing →
  10. $8,498
    2018 Infiniti QX30 IN Lewisville TX
    125,960 mi · Lewisville, TX · Auto One Imports
    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 Infiniti QX30 asks $10,571–$15,990. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2018 Infiniti QX30 cost?

A used 2018 Infiniti QX30 in the US typically lists for $10,571 to $15,990, with a median asking price of $13,600 across 184 active US dealer listings. Nine in ten are priced between $8,509 and $18,505 (as of 2026-10-19, source: UnderMarket Cars).

Is $14,000 a good price for a used 2018 Infiniti QX30?

That sits at about the market median ($13,600) for a used 2018 Infiniti QX30. Under $10,571 puts you in the cheapest quarter of active US listings and under $8,509 in the cheapest 5%; above $18,505 is the priciest 5% (as of 2026-10-19).

What is the cheapest used 2018 Infiniti QX30 for sale right now?

$6,900 — a 2018 Infiniti QX30 Base in Lutz, FL, $6,700 under the median (as of 2026-10-19).

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 Infiniti QX30 page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.

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Prices updated 2026-10-19. Data covers active dealer listings across the USA.