Used 2021 GMC Acadia Price in the US
A used 2021 GMC Acadia in the US typically lists for $19,497–$25,323, with a median asking price of $22,106 across 707 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $11,900, a 2021 SLE in Ortonville, MI — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $19,497 – $25,323
- Median
- $22,106
- Cheapest 5%
- under $15,809
- Cheapest listed now
- $11,900
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
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$12,5572021 GMC Acadia SLT153,430 mi · Elizabeth City, NC · Carolina Chrysler Jeep DodgeView listing →
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$13,3492021 GMC Acadia SLT175,637 mi · Albuquerque, NM · High Desert Auto Wholesale Inc.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 2021 GMC Acadia asks $19,497–$25,323. 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 2021 GMC Acadia cost?
A used 2021 GMC Acadia in the US typically lists for $19,497 to $25,323, with a median asking price of $22,106 across 707 active US dealer listings. Nine in ten are priced between $15,809 and $29,190 (as of 2026-10-17, source: UnderMarket Cars).
Is $22,000 a good price for a used 2021 GMC Acadia?
That sits at about the market median ($22,106) for a used 2021 GMC Acadia. Under $19,497 puts you in the cheapest quarter of active US listings and under $15,809 in the cheapest 5%; above $29,190 is the priciest 5% (as of 2026-10-17).
What is the cheapest used 2021 GMC Acadia for sale right now?
$11,900 — a 2021 GMC Acadia SLE in Ortonville, MI, $10,206 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 2021 GMC Acadia 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.