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Used supercar, 2017
Live market data and proprietary AI-powered price forecasting for the 2017 Porsche 911 Turbo S. Updated weekly from thousands of active listings.
Current median price
$166,995
21 active listings
60-day forecast
$166,639
AI-predicted median
Expected change
-0.2%
vs. today
Confidence
55%
forecast confidence
Median days on market
121 days
last 90 days, n=43 listings
How 2017 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 2017 Porsche 911 Turbo Sforecast 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 | $157,001 | $172,413 | $181,091 |
| Nov 1, 2026 | $153,791 | $170,843 | $180,637 |
| Nov 8, 2026 | $152,520 | $171,011 | $182,642 |
| Nov 15, 2026 | $149,835 | $170,673 | $184,078 |
| Nov 22, 2026 | $145,460 | $167,564 | $182,553 |
| Nov 29, 2026 | $142,575 | $166,296 | $182,729 |
| Dec 6, 2026 | $139,648 | $165,156 | $184,126 |
| Dec 13, 2026 | $140,104 | $166,639 | $187,324 |
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.