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Used sedan, 2021
Live market data and proprietary AI-powered price forecasting for the 2021 Lexus IS IS 300. Updated weekly from thousands of active listings.
Current median price
$20,054
48 listings · avg 45k mi
60-day forecast
$20,014
AI-predicted median
Expected change
-0.2%
vs. today
Confidence
87%
forecast confidence
Median is anchored on listings averaging ~45k miles. Lower-mileage units typically trade $3,000–$5,000 above this median; higher-mileage units below it.
How 2021 Lexus IS 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.
We refresh the 2021 Lexus IS IS 300forecast 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 | $19,878 | $20,138 | $20,572 |
| Nov 1, 2026 | $19,806 | $20,122 | $20,641 |
| Nov 8, 2026 | $19,750 | $20,121 | $20,705 |
| Nov 15, 2026 | $19,700 | $20,085 | $20,714 |
| Nov 22, 2026 | $19,658 | $20,066 | $20,725 |
| Nov 29, 2026 | $19,620 | $20,037 | $20,732 |
| Dec 6, 2026 | $19,603 | $20,043 | $20,802 |
| Dec 13, 2026 | $19,552 | $20,014 | $20,808 |
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.