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Used supercar, 2023
Live market data and proprietary AI-powered price forecasting for the 2023 Porsche 911 GT3. Updated weekly from thousands of active listings.
Current median price
$275,893
54 active listings
60-day forecast
$279,973
AI-predicted median
Expected change
+1.5%
vs. today
Confidence
60%
forecast confidence
Median days on market
108 days
last 90 days, n=57 listings
How 2023 Porsche 911 is tracking: CarCast forecasts a +1.5% 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 2023 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) |
|---|---|---|---|
| Oct 25, 2026 | $255,630 | $278,011 | $291,174 |
| Nov 1, 2026 | $256,431 | $279,251 | $292,551 |
| Nov 8, 2026 | $253,957 | $278,564 | $293,815 |
| Nov 15, 2026 | $254,096 | $279,116 | $296,465 |
| Nov 22, 2026 | $251,333 | $278,738 | $297,516 |
| Nov 29, 2026 | $252,134 | $280,755 | $299,919 |
| Dec 6, 2026 | $248,115 | $279,784 | $301,278 |
| Dec 13, 2026 | $248,183 | $279,973 | $301,803 |
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.
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.