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Used truck, 2023
Live market data and proprietary AI-powered price forecasting for the 2023 GMC Sierra 1500 SLE. Updated weekly from thousands of active listings.
Current median price
$35,415
263 active listings
60-day forecast
$34,953
AI-predicted median
Expected change
-1.3%
vs. today
Confidence
91%
forecast confidence
Median days on market
137 days
last 90 days, n=472 listings
How 2023 GMC Sierra 1500 is tracking: CarCast forecasts a -1.3% 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 2023 GMC Sierra 1500 SLEforecast 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) |
|---|---|---|---|
| Oct 25, 2026 | $34,683 | $35,031 | $35,497 |
| Nov 1, 2026 | $34,583 | $35,010 | $35,549 |
| Nov 8, 2026 | $34,452 | $34,946 | $35,648 |
| Nov 15, 2026 | $34,429 | $35,024 | $35,727 |
| Nov 22, 2026 | $34,366 | $34,946 | $35,685 |
| Nov 29, 2026 | $34,382 | $34,975 | $35,710 |
| Dec 6, 2026 | $34,296 | $34,954 | $35,846 |
| Dec 13, 2026 | $34,307 | $34,953 | $35,834 |
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.
2025 · truck
2025 GMC Sierra 1500 SLT
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2024 · truck
2024 GMC Sierra 1500 SLE
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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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2019 · truck
2019 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.