A 2021 BMW M340i averages $39,995 today, with most selling between $32,000 and $46,977. ForCar prices the BMW M340i from real US listings across 2 model years ($30,978–$39,995) — trade-in, private-party and dealer, adjusted for mileage. Free, no signup.
BMW M340i value by year
What a BMW M340i is worth at each model year, from real US listings — the low (trade-in), median (private-party) and high (dealer) price.
| Year | Trade-in | Median | Dealer | Listings |
|---|---|---|---|---|
| 2021 | $32,000 | $46,977 | 8 | |
| 2020 | $26,995 | $53,000 | 6 |
How the BMW M340i depreciates
Median market price by model year — how a BMW M340i loses (or holds) value as it ages, from real listings. See how it tracks against the typical depreciation curve by age:
The newest BMW M340i averages $39,995; a 1-year-older one runs about $30,978 — roughly 23% lost over 1 years. The steepest drop is usually in the first few years.
The BMW M340i market right now
Every real BMW M340i listing plotted by year and asking price — the white line is the median; dots below it are priced under market (potential deals).
Adjust your BMW M340i value for mileage
Pick a model year and enter your odometer — see what your exact BMW M340i is worth on today's market.
Trade-in, private-party & dealer price
Every BMW M340i has three prices. Our low–median–high range maps to what a dealer pays you, what you'd get selling it yourself, and what a lot charges — compare with current used-market prices across all models.
For a 2021 BMW M340i: a dealer trade-in offer is around $32,000, selling private-party nets about $39,995, and a lot asks near $46,977 — a $14,977 spread on the same car.
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Get an exact BMW M340i value by VIN
Trim, engine and options move the value. Decode your BMW M340i's VIN free to pin the exact build, then check its market value.
More on the BMW M340i
BMW M340i value FAQ
How much is a BMW M340i worth?
A 2021 BMW M340i averages $39,995 today (roughly $32,000–$46,977). Value depends on the year and mileage — see the table above for every model year, or add your mileage for an exact number.
Does mileage change the BMW M340i value?
Yes — higher mileage lowers value. Enter your odometer reading in the mileage tool above to adjust the estimate from the model-year average.
Is the BMW M340i value free?
Yes, every estimate is free with no signup, from real US market listings.
How is this calculated?
ForCar aggregates real asking prices for the BMW M340i from current US listings into the low (10th percentile), median and high (90th percentile) price per model year.
Which BMW M340i year is the best value?
See the value-by-year table and depreciation above — older years cost less but the newest years hold value best. The sweet spot is usually a few years old, where the steepest depreciation has already happened.
Is this a free BMW M340i Blue Book alternative?
Yes. ForCar is a free, no-signup alternative to Kelley Blue Book and NADA — instead of a private formula, you see what BMW M340is are actually listed for right now, by year and mileage.