Live US dealer listings Median-priced benchmark Updated 2026-10-19
Market price · Used 2018 GMC Yukon 854 listings tracked

Used 2018 GMC Yukon Price in the US

A used 2018 GMC Yukon in the US typically lists for $21,391–$27,683, with a median asking price of $24,649 across 854 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $10,000, a 2018 SLT in Columbia, MO — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2018 GMC Yukon · asking prices854 listings
$16k$34k
Typical range
$21,391 – $27,683
Median
$24,649
Cheapest 5%
under $16,450
Cheapest listed now
$10,000

Browse by model year

typical price per year
More years (19)

Cheapest 10 listed right now

ranked by price
  1. $10,000
    2018 GMC Yukon SLT
    222,699 mi · Columbia, MO · Quality Pre-Owned Automotive
    View listing →
  2. 2018 GMC Yukon
    $11,495
    2018 GMC Yukon SLE
    196,592 mi · Tampa, FL · Luma Motors
    View listing →
  3. $11,997
    2018 GMC Yukon SLT
    218,900 mi · Greensboro, NC · Speed Auto Mall
    View listing →
  4. $12,399
    2018 GMC Yukon SLT
    152,620 mi · Harrisonburg, VA · Steven Kia
    View listing →
  5. 2018 GMC Yukon
    $12,900
    2018 GMC Yukon SLT
    181,592 mi · Granby, MO · Matt & Terry's Auto Sales
    View listing →
  6. 2018 GMC Yukon
    $12,995
    2018 GMC Yukon SLT
    202,300 mi · Des Moines, IA · Tom's Auto Sales
    View listing →
  7. 2018 GMC Yukon
    $13,580
    2018 GMC Yukon SLT
    207,873 mi · Rice Lake, WI · Blakes Auto Sales
    View listing →
  8. 2018 GMC Yukon
    $13,772
    2018 GMC Yukon SLE
    136,720 mi · North Palm Beach, FL · Tropical Auto Sales
    View listing →
  9. 2018 GMC Yukon
    $13,994
    2018 GMC Yukon SLT
    148,280 mi · Vienna, VA · Tyson Auto Sales
    View listing →
  10. 2018 GMC Yukon
    $14,457
    2018 GMC Yukon SLT
    175,850 mi · Mayfield, KY · Seay 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 GMC Yukon asks $21,391–$27,683. 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 GMC Yukon cost?

A used 2018 GMC Yukon in the US typically lists for $21,391 to $27,683, with a median asking price of $24,649 across 854 active US dealer listings. Nine in ten are priced between $16,450 and $33,852 (as of 2026-10-19, source: UnderMarket Cars).

Is $25,000 a good price for a used 2018 GMC Yukon?

That sits at about the market median ($24,649) for a used 2018 GMC Yukon. Under $21,391 puts you in the cheapest quarter of active US listings and under $16,450 in the cheapest 5%; above $33,852 is the priciest 5% (as of 2026-10-19).

What is the cheapest used 2018 GMC Yukon for sale right now?

$10,000 — a 2018 GMC Yukon SLT in Columbia, MO, $14,649 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 GMC Yukon 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.