The steepest single-year drop comes at year 2 (−20.5%). Mileage costs it 54%: the same car reads 100k–150k instead of Under 40k miles. Calculated from 59 listings.
BMW 428i value by year
A 2016 and a 2015 ask almost the same, $12,500 against $12,450, so the newer year costs next to nothing extra.
| Year | Trade-in | Median | Dealer | Listings |
|---|---|---|---|---|
| 2016 | $6,800 | $21,500 | 20 | |
| 2015 | $6,800 | $15,991 | 30 | |
| 2014 | $4,400 | $16,067 | 9 |
How the BMW 428i depreciates
The newest BMW 428i has a median asking price of $12,500; a 2-year-older one runs about $9,900 — roughly 21% lost over 2 years (compare the typical depreciation curve by age).
The BMW 428i market right now
Adjust your BMW 428i value for mileage
Crossing 100k miles costs a BMW 428i about 54% of its under-40k asking price:
Trade-in, private-party & dealer price
For a 2016 BMW 428i: a dealer trade-in offer is around $6,800, selling private-party nets about $12,500, and a lot asks near $21,500 — a $14,700 spread on the same car.
What sellers really ask, from our own listings: for the same model year, the 428i costs a median 12% more from a dealer than from a private seller, across the 3 recent model years with enough of both. Title, state and mileage effects are on the BMW 428i price page.
| Model year | Private seller (listings) | Dealer (listings) | Dealer vs private |
|---|---|---|---|
| 2016 | $11,500 (27) | $12,900 (31) | +12% |
| 2015 | $8,825 (38) | $12,973 (44) | +47% |
| 2014 | $11,500 (16) | $10,498 (19) | −9% |
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BMW 428i value FAQ
How much is a BMW 428i worth?
It depends mostly on the model year: in our listings the median asking price runs from $9,900 to $12,500 across 3 model years. A 2016 is worth about $12,500, the median of 20 listings.
How much does mileage cut a BMW 428i's value?
Among 428is from the last eight model years, those with under 40,000 miles ask a median $22,748, and those with over 150,000 miles ask $6,850; crossing 100,000 miles alone costs about 54%.
Which BMW 428i year is the best value?
A 2016 and a 2015 ask almost the same, $12,500 against $12,450, so the newer year costs next to nothing extra.
Is a BMW 428i cheaper from a dealer or a private seller?
Usually from a private seller: for the same model year, dealers ask a median 12% more, across 3 recent model years in our listings.
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