Used sedan · 1 trim

2021 BMW 3 SeriesUsed Pricing, Value & 60-Day Forecast

Live market pricing and AI-powered 60-day price forecasts across every 2021 BMW 3 Series trim CarCast tracks. Anchored to the Manheim Used Vehicle Value Index and BLS used-car CPI. Informational analytics, not financial advice.

Stable trend

Headline trim: 330i

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Price range

$24,590 – $24,590

across 1 indexable trim

Headline trim

330i

$24,590 · 310 avg listings

4-week forecast

$24,456

-0.5% on headline trim

8-week forecast

$24,386

-0.8% on headline trim

Median days on market

114 days

last 90 days, n=1,098 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).

2021 BMW 3 Series trim comparison

Sorted by listing volume
TrimCurrent price4-week forecast8-week forecastAvg listingsOpen
330iHeadline$24,590-0.5%-0.8%310See forecast →

Market context

Used-car market benchmarks

MUVVI (wholesale)

Jul 2026

210.0+1.3% YoY

Source: Cox Automotive / Manheim

CPI: Used cars

Jul 2026

184.7-1.9% YoY

Source: Bureau of Labor Statistics (via FRED)

Top 2021 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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