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Used sedan, 2021
Live market data and proprietary AI-powered price forecasting for the 2021 BMW 3 Series 330i. Updated weekly from thousands of active listings.
Current median price
$23,895
506 active listings
60-day forecast
$23,479
AI-predicted median
Expected change
-1.7%
vs. today
Confidence
86%
forecast confidence
Median days on market
119 days
last 90 days, n=1,204 listings
How 2021 BMW 3 Series is tracking: CarCast forecasts a -1.7% 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 BMW 3 Series 330iforecast 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 | $23,582 | $23,980 | $24,391 |
| Nov 1, 2026 | $23,321 | $23,780 | $24,220 |
| Nov 8, 2026 | $23,136 | $23,732 | $24,347 |
| Nov 15, 2026 | $22,990 | $23,660 | $24,376 |
| Nov 22, 2026 | $22,946 | $23,627 | $24,349 |
| Nov 29, 2026 | $22,842 | $23,612 | $24,369 |
| Dec 6, 2026 | $22,678 | $23,541 | $24,394 |
| Dec 13, 2026 | $22,537 | $23,479 | $24,377 |
Our model expects prices to soften 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.