Used 2021 GMC Acadia prices, November 2026
A used 2021 GMC Acadia is listed for about $18,950–$25,099 at US dealers (middle 50% of 1,077 listings), with a median of $21,714 at 81,410 miles, as of Nov 7, 2026. That's 1.3% lower than on Oct 25, 2026 ($21,999).
Updated · By CarWhere Research · Source: active US dealer listings (licensed vehicle-data providers) · About this data
Median asking price
$21,714
Average $21,959
Median miles
81,410
Average 82,801
For sale now
1,077
29 certified (2.7%)
Median days listed
41
How much is a used 2021 GMC Acadia?
A used 2021 GMC Acadia has a median asking price of $21,714 (average $21,959), with the middle half of listings between $18,950 and $25,099. That sits between the 2020 ($19,750) and the 2023 ($28,584).
Are used 2021 GMC Acadia prices going down?
Yes. The median asking price for a used 2021 GMC Acadia moved from $21,999 on Oct 25, 2026 to $21,714 on Nov 7, 2026 (-1.3%).
Dealer asking price vs. trade-in vs. private sale
The prices on this page are what US dealers are asking for a 2021 GMC Acadia today, before negotiation, taxes and fees. A dealer's trade-in offer for the same car is usually well below its asking price, because the dealer has to recondition it, carry it and still make a margin. A private sale typically lands between the two. To estimate your own car, try the trade-in calculator or the used car value tool.
Used 2021 GMC Acadia listings by trim
The SLE is the most common 2021 Acadia on dealer lots (31.4% of listings). Click a count for those listings.
| Trim | For sale now | Share (%) |
|---|---|---|
| SLE | 338 | 31.4% |
| Denali | 319 | 29.6% |
| SLT | 284 | 26.4% |
| AT4 | 136 | 12.6% |
Where are the most used 2021 GMC Acadias for sale?
Michigan has the most (85 listings), followed by Texas, Ohio, Illinois. More local supply means more cars to compare and more room to negotiate.
| State | For sale now | Share of US listings (%) |
|---|---|---|
| Michigan | 85 | 7.9% |
| Texas | 70 | 6.5% |
| Ohio | 69 | 6.4% |
| Illinois | 56 | 5.2% |
| New York | 51 | 4.7% |
| Florida | 50 | 4.6% |
| Indiana | 46 | 4.3% |
| Pennsylvania | 45 | 4.2% |
| Missouri | 39 | 3.6% |
| California | 34 | 3.2% |
Other Acadia model years
| Model year | Median price (USD) | Median miles | For sale now |
|---|---|---|---|
| 2026 | $39,892 | 16,945 | 2,079 |
| 2023 | $28,584 | 43,642 | 2,971 |
| 2021 | $21,714 | 81,410 | 1,077 |
| 2020 | $19,750 | 88,118 | 1,040 |
| 2019 | $16,958 | 99,965 | 1,895 |
| 2017 | $12,995 | 120,460 | 1,230 |
Frequently asked questions
How much is a 2021 GMC Acadia?
A used 2021 GMC Acadia has a median asking price of $21,714 (average $21,959), with the middle half of listings between $18,950 and $25,099. That sits between the 2020 ($19,750) and the 2023 ($28,584). Based on 1,077 listings on Nov 7, 2026.
What is a 2021 GMC Acadia worth?
At a dealer, most 2021 GMC Acadias are priced $18,950–$25,099; the median listing has 81,410 miles. Lower miles, a higher trim and certified pre-owned status push a car toward the top of that range. Expect a trade-in offer below the dealer asking range, and a private sale to land in between.
Are used 2021 GMC Acadia prices going down?
Yes. The median asking price for a used 2021 GMC Acadia moved from $21,999 on Oct 25, 2026 to $21,714 on Nov 7, 2026 (-1.3%).
How many used 2021 GMC Acadias are for sale?
1,077 were listed at US dealers on Nov 7, 2026, 29 (2.7%) certified pre-owned. The most common trim is the SLE (338 listings).
How long does a used 2021 GMC Acadia take to sell?
Half of the 2021 GMC Acadias listed today have been on the market 41 days or less.
Where are the most used 2021 GMC Acadias for sale?
Michigan has the most (85 listings), followed by Texas, Ohio, Illinois. More local supply means more cars to compare and more room to negotiate.
About this data
- Period
- Listings active on Nov 7, 2026 (snapshot)
- Filter
- Used and certified 2021 GMC Acadia, all US states
- Counts
- 1,077 listings (29 certified pre-owned)
- Method
- Median, average and 25th–75th percentile asking price, odometer miles and days listed across active used and certified pre-owned 2021 GMC Acadia listings at US dealers. Change compares today's median with the same model year's median in our Oct 25, 2026 snapshot. Asking prices are what dealers list, not what buyers paid.
- Source
- Active used and certified listings at US dealers from licensed vehicle-data providers. Only aggregates are kept: counts, medians, averages and percentiles.
- Updates
- Refreshed from a new market snapshot on a regular schedule; last updated .
- Data
- Download JSON (the aggregates on this page)