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Used hypercar, 2017
Live market data and proprietary AI-powered price forecasting for the 2017 Porsche 918 Spyder. Updated weekly from thousands of active listings.
Current median price
$17,999
1 listings · avg 40k mi
60-day forecast
$17,938
AI-predicted median
Expected change
-0.3%
vs. today
Confidence
85%
forecast confidence
Median is anchored on listings averaging ~40k miles. Lower-mileage units typically trade $3,000–$5,000 above this median; higher-mileage units below it.
How 2017 Porsche 918 is tracking: CarCast forecasts a -0.3% 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 2017 Porsche 918 Spyderforecast 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 | $17,814 | $18,049 | $18,452 |
| Nov 1, 2026 | $17,732 | $18,039 | $18,541 |
| Nov 8, 2026 | $17,657 | $18,040 | $18,623 |
| Nov 15, 2026 | $17,597 | $18,005 | $18,638 |
| Nov 22, 2026 | $17,557 | $17,996 | $18,685 |
| Nov 29, 2026 | $17,486 | $17,946 | $18,679 |
| Dec 6, 2026 | $17,464 | $17,956 | $18,752 |
| Dec 13, 2026 | $17,417 | $17,938 | $18,789 |
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.
2023 · hypercar
2023 Porsche 918 Spyder
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2022 · hypercar
2022 Porsche 918 Spyder
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2021 · hypercar
2021 Porsche 918 Spyder
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2020 · hypercar
2020 Porsche 918 Spyder
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2019 · hypercar
2019 Porsche 918 Spyder
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2018 · hypercar
2018 Porsche 918 Spyder
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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.