Live US dealer listings Median-priced benchmark Updated 2026-10-17
Market price · Used 2020 GMC Yukon XL 883 listings tracked

Used 2020 GMC Yukon XL Price in the US

A used 2020 GMC Yukon XL in the US typically lists for $24,600–$32,960, with a median asking price of $28,233 across 883 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $11,995, a 2020 SLT in Gainesville, GA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2020 GMC Yukon XL · asking prices883 listings
$18k$42k
Typical range
$24,600 – $32,960
Median
$28,233
Cheapest 5%
under $19,621
Cheapest listed now
$11,995

Browse by model year

typical price per year
More years (20)

Cheapest 10 listed right now

ranked by price
  1. $11,995
    2020 GMC Yukon XL SLT
    183,182 mi · Gainesville, GA · El Camino Auto Sales
    View listing →
  2. 2020 GMC Yukon XL
    $12,995
    2020 GMC Yukon XL SLT
    182,000 mi · Joplin, MO · Daily Deal Auto Sales
    View listing →
  3. 2020 GMC Yukon XL
    $13,900
    2020 GMC Yukon XL SLT
    257,196 mi · Baltimore, MD · Alpina Imports
    View listing →
  4. $14,789
    2020 GMC Yukon XL SLT
    249,434 mi · Murray, KY · Dwain Taylor Chevrolet Cadillac Buick GMC
    View listing →
  5. 2020 GMC Yukon XL
    $14,820
    2020 GMC Yukon XL SLE
    180,168 mi · Maquoketa, IA · Brad Deery Auto Discount Center
    View listing →
  6. $14,999
    2020 GMC Yukon XL Denali
    205,038 mi · Tampa, FL · Bella's Quality Motors Group
    View listing →
  7. $15,389
    2020 GMC Yukon XL SLT
    199,387 mi · Beaver Dam, WI · Napleton Chevrolet Buick GMC Beaver Dam
    View listing →
  8. $15,500
    2020 GMC Yukon XL SLT
    213,869 mi · Topeka, KS · A B Flint Motor Co.
    View listing →
  9. $15,995
    2020 GMC Yukon XL Denali
    162,280 mi · Victorville, CA · Mi Amigo Automotriz
    View listing →
  10. $15,995
    2020 GMC Yukon XL SLT
    204,618 mi · Cleveland, TN · Jacintos Auto Sales LLC
    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 2020 GMC Yukon XL asks $24,600–$32,960. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2020 GMC Yukon XL cost?

A used 2020 GMC Yukon XL in the US typically lists for $24,600 to $32,960, with a median asking price of $28,233 across 883 active US dealer listings. Nine in ten are priced between $19,621 and $40,766 (as of 2026-10-17, source: UnderMarket Cars).

Is $28,000 a good price for a used 2020 GMC Yukon XL?

That sits at about the market median ($28,233) for a used 2020 GMC Yukon XL. Under $24,600 puts you in the cheapest quarter of active US listings and under $19,621 in the cheapest 5%; above $40,766 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2020 GMC Yukon XL for sale right now?

$11,995 — a 2020 GMC Yukon XL SLT in Gainesville, GA, $16,238 under the median (as of 2026-10-17).

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 2020 GMC Yukon XL page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.

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Prices updated 2026-10-17. Data covers active dealer listings across the USA.