Used 2020 GMC Acadia prices, November 2026
A used 2020 GMC Acadia is listed for about $17,098–$22,428 at US dealers (middle 50% of 1,040 listings), with a median of $19,750 at 88,118 miles, as of Nov 7, 2026. That's 0.8% lower than on Oct 25, 2026 ($19,900).
Updated · By CarWhere Research · Source: active US dealer listings (licensed vehicle-data providers) · About this data
Median asking price
$19,750
Average $19,877
Median miles
88,118
Average 89,751
For sale now
1,040
26 certified (2.5%)
Median days listed
44
How much is a used 2020 GMC Acadia?
A used 2020 GMC Acadia has a median asking price of $19,750 (average $19,877), with the middle half of listings between $17,098 and $22,428. That sits between the 2019 ($16,958) and the 2021 ($21,714).
Are used 2020 GMC Acadia prices going down?
Yes. The median asking price for a used 2020 GMC Acadia moved from $19,900 on Oct 25, 2026 to $19,750 on Nov 7, 2026 (-0.8%).
Dealer asking price vs. trade-in vs. private sale
The prices on this page are what US dealers are asking for a 2020 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 2020 GMC Acadia listings by trim
The SLT is the most common 2020 Acadia on dealer lots (32.7% of listings). Click a count for those listings.
| Trim | For sale now | Share (%) |
|---|---|---|
| SLT | 340 | 32.7% |
| SLE | 296 | 28.5% |
| Denali | 270 | 26% |
| AT4 | 134 | 12.9% |
Where are the most used 2020 GMC Acadias for sale?
Texas has the most (80 listings), followed by Ohio, Michigan, Illinois. More local supply means more cars to compare and more room to negotiate.
| State | For sale now | Share of US listings (%) |
|---|---|---|
| Texas | 80 | 7.7% |
| Ohio | 77 | 7.4% |
| Michigan | 74 | 7.1% |
| Illinois | 56 | 5.4% |
| Florida | 50 | 4.8% |
| Indiana | 47 | 4.5% |
| New York | 42 | 4% |
| Georgia | 34 | 3.3% |
| Pennsylvania | 32 | 3.1% |
| California | 31 | 3% |
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 2020 GMC Acadia?
A used 2020 GMC Acadia has a median asking price of $19,750 (average $19,877), with the middle half of listings between $17,098 and $22,428. That sits between the 2019 ($16,958) and the 2021 ($21,714). Based on 1,040 listings on Nov 7, 2026.
What is a 2020 GMC Acadia worth?
At a dealer, most 2020 GMC Acadias are priced $17,098–$22,428; the median listing has 88,118 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 2020 GMC Acadia prices going down?
Yes. The median asking price for a used 2020 GMC Acadia moved from $19,900 on Oct 25, 2026 to $19,750 on Nov 7, 2026 (-0.8%).
How many used 2020 GMC Acadias are for sale?
1,040 were listed at US dealers on Nov 7, 2026, 26 (2.5%) certified pre-owned. The most common trim is the SLT (340 listings).
How long does a used 2020 GMC Acadia take to sell?
Half of the 2020 GMC Acadias listed today have been on the market 44 days or less.
Where are the most used 2020 GMC Acadias for sale?
Texas has the most (80 listings), followed by Ohio, Michigan, 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 2020 GMC Acadia, all US states
- Counts
- 1,040 listings (26 certified pre-owned)
- Method
- Median, average and 25th–75th percentile asking price, odometer miles and days listed across active used and certified pre-owned 2020 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)