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Used supercar, 2004
Live market data and proprietary AI-powered price forecasting for the 2004 Porsche 911 GT3 RS. Updated weekly from thousands of active listings.
Current median price
$679,995
1 listings · avg 10k mi
60-day forecast
$681,309
AI-predicted median
Expected change
+0.2%
vs. today
Confidence
91%
forecast confidence
Median is anchored on listings averaging ~10k miles. Lower-mileage units typically trade $3,000–$5,000 above this median; higher-mileage units below it.
How 2004 Porsche 911 is tracking: CarCast forecasts a +0.2% 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 2004 Porsche 911 GT3 RSforecast 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 | $676,884 | $682,812 | $691,740 |
| Nov 1, 2026 | $674,062 | $681,540 | $692,312 |
| Nov 8, 2026 | $672,976 | $682,694 | $695,853 |
| Nov 15, 2026 | $670,764 | $681,706 | $695,665 |
| Nov 22, 2026 | $668,882 | $680,910 | $695,720 |
| Nov 29, 2026 | $668,539 | $681,769 | $698,078 |
| Dec 6, 2026 | $666,575 | $680,739 | $697,941 |
| Dec 13, 2026 | $665,694 | $681,309 | $700,123 |
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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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.