Source: EPA FuelEconomy.gov & manufacturer data. Figures reflect base trim; actual specs vary by trim level.
About the 2021 BMW 3 Series (330e)
Our scoring places the 2021 BMW 3 Series (330e) at 7.5/10 overall, which translates to a Recommended rating for this phev. Its strongest dimension is Safety at 8.3/10, while Reliability at 6.5/10 is where it trails the competition most noticeably. It's a solid all-rounder that delivers across most dimensions without obvious deal-breakers.
Reliability and safety are the two dimensions that matter most for long-term ownership costs. Reliability is the weak spot: 6.5/10, under the class average. Review the recall record on this page and price in extra maintenance headroom. The safety score of 8.3/10 is solid mid-pack territory. If advanced driver aids matter to you, compare standard equipment carefully and verify ratings at nhtsa.gov.
Performance is a genuine highlight at 8.0/10. The BMW 3 Series (330e) delivers engaging driving dynamics — responsive handling, meaningful power delivery, and a drivetrain that rewards spirited driving without sacrificing daily usability. The cabin tech earns 8.3/10 — infotainment, smartphone integration, and driver-assistance are all close to the best this class offers.
Priced from $40,131–$46,642, 72 MPG, seating 5, the BMW 3 Series (330e) sits in the mid-market bracket of the phev segment. The 7.1/10 value score says the pricing is fair rather than generous; cross-shop the segment before signing anything. At 5 years old, it's worth checking whether a newer generation or refresh has addressed any weaker dimensions — compare it to the current model year before buying.
Our take: The 2021 BMW 3 Series (330e) is a solid, well-rounded phev that covers the essentials without obvious deal-breakers. The main caveat is reliability — worth checking if those dimensions are priorities for you. For most buyers in this segment, it's a safe, dependable choice.
Carivo scores are our own editorial assessment, informed by NHTSA safety and recall records, EPA fuel-economy figures, and manufacturer-published specifications. Scores are reviewed periodically and updated when new data becomes available. See our full methodology →
How It Ranks Among PHEVs
The 2021 BMW 3 Series (330e) ranks #16 of 40 phevs in the Carivo database — better than 63% of the segment. Its 7.5/10 overall score is exactly at the segment average of 7.5/10. Its $40,131 starting price undercuts the segment's median of $43,041 by about 7%.
Varies widely by driver and state — always quote the exact trim before buying
We only print costs we can compute from sourced data (EPA fuel economy, NHTSA recalls). We don't estimate maintenance or depreciation — anyone who gives you one number for those is guessing.
Which 3 Series (330e) Year Should You Buy?
Across the 3 Series (330e) model years we've scored, the 2021 holds its position — we didn't find an older year that delivers similar scores for meaningfully less money.
Strong safety ratings from NHTSA and independent testers
Competent performance that satisfies most everyday driving demands
Modern, intuitive tech suite with wireless connectivity and up-to-date ADAS
Exceptional fuel efficiency at 72 MPG — among the best in its class
✗ Where it falls short
Reliability scores are mid-pack; some owners report higher-than-expected maintenance needs
Brand resale values vary — check current market data before committing
Common Questions — 2021 BMW 3 Series (330e)
Is the 2021 BMW 3 Series (330e) reliable?
We rate the 2021 BMW 3 Series (330e)'s reliability 6.5/10 — below the segment average, so budget for higher maintenance.
Is the 2021 BMW 3 Series (330e) worth buying?
It scores 7.5/10 overall, ranking #16 of 40 phevs in our database (better than 63% of the segment). A solid choice for most buyers — compare it against the segment leaders before deciding.
How much does the 2021 BMW 3 Series (330e) cost?
The 2021 BMW 3 Series (330e) starts at $40,131 and ranges up to $46,642 across trims (MSRP when new). At 72 MPG, expect roughly $729/year in fuel at 15,000 miles/year.
Which 3 Series (330e) years should you avoid?
No standout weak years: across the 6 3 Series (330e) model years we've scored, every year lands within half a point of the best (7.7/10). Pick on price and condition rather than year.
Owner Essentials — BMW 3 Series (330e)
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