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Used truck, 2017
Live market data and proprietary AI-powered price forecasting for the 2017 GMC Sierra 1500 SLT. Updated weekly from thousands of active listings.
Current median price
$23,682
628 active listings
60-day forecast
$23,516
AI-predicted median
Expected change
-0.7%
vs. today
Confidence
55%
forecast confidence
Median days on market
173 days
last 90 days, n=1,629 listings
How 2017 GMC Sierra 1500 is tracking: CarCast forecasts a -0.7% 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 2017 GMC Sierra 1500 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 | $21,946 | $23,599 | $25,116 |
| Nov 8, 2026 | $21,599 | $23,531 | $25,302 |
| Nov 15, 2026 | $21,358 | $23,469 | $25,400 |
| Nov 22, 2026 | $21,298 | $23,504 | $25,533 |
| Nov 29, 2026 | $21,230 | $23,518 | $25,638 |
| Dec 6, 2026 | $21,112 | $23,527 | $25,752 |
| Dec 13, 2026 | $20,979 | $23,515 | $25,812 |
| Dec 20, 2026 | $20,870 | $23,516 | $25,919 |
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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2023 · truck
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2022 · truck
2022 GMC Sierra 1500 SLE
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2021 · truck
2021 GMC Sierra 1500 SLE
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2020 · truck
2020 GMC Sierra 1500 SLE
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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.