Used sedan · 1 trim
2018 BMW 3 SeriesUsed Pricing, Value & 60-Day Forecast
Live market pricing and AI-powered 60-day price forecasts across every 2018 BMW 3 Series trim CarCast tracks. Anchored to the Manheim Used Vehicle Value Index and BLS used-car CPI. Informational analytics, not financial advice.
Headline trim: 330i
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Price range
$15,995 – $15,995
across 1 indexable trim
Headline trim
330i
$15,995 · 45 avg listings
4-week forecast
$15,965
-0.2% on headline trim
8-week forecast
$16,137
+0.9% on headline trim
Median days on market
183 days
last 90 days, n=769 listings
Headline forecast uses the most-listed indexable trim (330i). Per-trim forecasts in the table below are computed independently — no blind averaging across trims (condition and option-pack variance makes a model-level average misleading).
2018 BMW 3 Series trim comparison
Sorted by listing volume| Trim | Current price | 4-week forecast | 8-week forecast | Avg listings | Open |
|---|---|---|---|---|---|
| 330iHeadline | $15,995 | -0.2% | +0.9% | 45 | See forecast → |
Market context
Used-car market benchmarksTop 2018 BMW 3 Series trims
Other BMW 3 Series model years
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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