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Used suv, 2018
Live market data and proprietary AI-powered price forecasting for the 2018 GMC Acadia Denali. Updated weekly from thousands of active listings.
Current median price
$17,995
254 active listings
60-day forecast
$18,162
AI-predicted median
Expected change
+0.9%
vs. today
Confidence
86%
forecast confidence
Median days on market
175 days
last 90 days, n=499 listings
How 2018 GMC Acadia is tracking: CarCast forecasts a +0.9% 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 2018 GMC Acadia Denaliforecast 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 | $17,678 | $18,185 | $18,502 |
| Nov 8, 2026 | $17,626 | $18,207 | $18,564 |
| Nov 15, 2026 | $17,561 | $18,181 | $18,558 |
| Nov 22, 2026 | $17,512 | $18,154 | $18,538 |
| Nov 29, 2026 | $17,471 | $18,152 | $18,552 |
| Dec 6, 2026 | $17,443 | $18,150 | $18,553 |
| Dec 13, 2026 | $17,422 | $18,155 | $18,556 |
| Dec 20, 2026 | $17,407 | $18,162 | $18,573 |
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.