For the same model year, dealers ask 14 points more than private sellers; a rear-wheel drive 428i asks -7% against the median of its model year.
BMW 428i price by model year
| Year | Typical price | Spread | Listings |
|---|---|---|---|
| 2016 | — | 17 | |
| 2015 | — | 27 | |
| 2014 | — | 8 |
Dealer or private seller
On the BMW 428i the dealer markup works out at 14% over a private sale of the same year.
| Seller | Listings | vs median year | Average asked |
|---|---|---|---|
| Dealer | 91 | +2.3% | $12,725 |
| Private seller | 73 | -12.0% | $10,943 |
How fast price falls with mileage
Measured on the 2015 428i, the model year with the most listings, so age does not mix in. Between the 50–75k and 125–150k bands the asking price falls 51%.
| Mileage | Price drop | Listings |
|---|---|---|
| 50–75k miles | 10 | |
| 75–100k miles | 23 | |
| 100–125k miles | 17 | |
| 125–150k miles | 15 |
Which options hold value
The single biggest swing on a BMW 428i is drivetrain: RWD asks -7% against the median of its own model year.
| Item | Option | Listings | vs median year |
|---|---|---|---|
| Drivetrain | Four-wheel drive | 40 | -0.7% |
| Drivetrain | Rear-wheel drive | 61 | -7.1% |
Asking prices are the market. What is that car worth?
- Exact value for one VIN, adjusted for its mileage
- Live listings with prices, not just percentiles
- Price-drop alerts on the model you are watching
- Full research report as a PDF you can hand to a mechanic
- No ads, on every page
- No ads, no tracking — and much more
Frequently asked questions
How much does a used BMW 428i cost?
The median asking price is $11,811 across 190 live listings. A 2014 asks about $11,498 and a 2016 about $12,900. The most listed year is 2015, at $12,495.
Is it cheaper to buy a 428i from a private seller?
Yes. Against the median for the same model year, dealers ask 2.3% above and private sellers 12.0% below, a gap of about $1,845 on a 2016 at $12,900.
How much value does a 428i lose per 25,000 miles?
About 20% of the asking price for every 25,000 miles on the 2015 428i, measured from the 75–100k band to the 125–150k band. To price one car by its year and mileage, use the BMW 428i valuation tool.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.