The average asking price for a used 2018 BMW 430i Gran is $15,897, with 81,009 miles on average, across 16 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| Florida | $16,067 | 78,122 | 6 | 30 |
Used 2018 BMW 430i Grans for sale at U.S. dealers ask $15,897 on average (half ask less than $15,573), across 16 cars. The cars for sale have 81,009 miles on average: one with fewer miles is worth more, and one with more is worth less. To check one car's price against cars of its trim and mileage, enter its VIN in OttoQuest's free Deal Check.
The 16 for sale with a listing date have been listed 48 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.
The 2018 asks $15,897 on average with 81,009 miles; the 2017 asks $11,823 with 100,578 miles, and the 2019 asks $16,423 with 81,827 miles.
Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.