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Used suv, 2021
Live market data and proprietary AI-powered price forecasting for the 2021 GMC Acadia SLT. Updated weekly from thousands of active listings.
Current median price
$21,100
253 active listings
60-day forecast
$21,021
AI-predicted median
Expected change
-0.4%
vs. today
Confidence
77%
forecast confidence
Median days on market
103 days
last 90 days, n=519 listings
How 2021 GMC Acadia is tracking: CarCast forecasts a -0.4% move over the next 60 days. The broader used-car market is down 0.6% year-over-year (MUVVI) and down 1.5% on the consumer price index.
Median asking prices aggregated weekly from active dealer and auction listings.
We refresh the 2021 GMC Acadia SLTforecast every Sunday. We'll email you a short update whenever the median moves more than $500 or 2%.
| Week ending | Low (P10) | Expected (P50) | High (P90) |
|---|---|---|---|
| Nov 1, 2026 | $20,527 | $21,129 | $21,772 |
| Nov 8, 2026 | $20,366 | $21,121 | $21,919 |
| Nov 15, 2026 | $20,209 | $21,078 | $21,995 |
| Nov 22, 2026 | $20,119 | $21,061 | $22,058 |
| Nov 29, 2026 | $20,051 | $21,054 | $22,121 |
| Dec 6, 2026 | $19,972 | $21,044 | $22,189 |
| Dec 13, 2026 | $19,853 | $21,003 | $22,212 |
| Dec 20, 2026 | $19,789 | $21,021 | $22,312 |
Our model expects prices to stay roughly flat over the forecast window.
CarCast's AI-powered forecasting combines live listing prices, historical trends, regional economic indicators, and search-interest data to project where used car prices are heading. Informational analytics only — not financial advice.
Forecasts and trend classifications are informational analytics only and do not constitute financial advice or a recommendation to purchase, hold, or sell any vehicle. Individual market conditions vary.
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The forecast on this page is the public 30-day median. Dealer is $199/mo for a full lot. A 90-day forecast is not published.