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Used supercar, 2025
Live market data and proprietary AI-powered price forecasting for the 2025 Porsche 911 GT3. Updated weekly from thousands of active listings.
Current median price
$337,500
30 active listings
60-day forecast
$329,775
AI-predicted median
Expected change
-2.3%
vs. today
Confidence
73%
forecast confidence
Median days on market
142 days
last 90 days, n=19 listings
How 2025 Porsche 911 is tracking: CarCast forecasts a -2.3% 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.
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We refresh the 2025 Porsche 911 GT3forecast 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 8, 2026 | $310,067 | $329,697 | $340,826 |
| Nov 15, 2026 | $307,384 | $328,389 | $339,944 |
| Nov 22, 2026 | $304,874 | $327,366 | $340,077 |
| Nov 29, 2026 | $306,719 | $329,299 | $341,598 |
| Dec 6, 2026 | $305,961 | $329,228 | $342,349 |
| Dec 13, 2026 | $305,487 | $329,207 | $342,553 |
| Dec 20, 2026 | $305,591 | $329,663 | $343,343 |
| Dec 27, 2026 | $305,734 | $329,775 | $343,517 |
Our model expects prices to soften 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.
Get price alerts, weekly market updates, and full access to 60-day forecasts for every vehicle CarCast tracks.
Segment median, alongside your existing valuation tools. The next step is a market-risk review of five vehicles — not a separate checkout.
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.