The average asking price for a used 2018 BMW X6 M is $30,970, with 72,146 miles on average, across 15 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2018 BMW X6 Ms for sale at U.S. dealers ask $30,970 on average (half ask less than $28,999), across 15 cars. The cars for sale have 72,146 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 15 for sale with a listing date have been listed 62 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 $30,970 on average with 72,146 miles; the 2017 asks $27,361 with 86,938 miles, and the 2019 asks $34,036 with 77,129 miles.
NHTSA lists 3 safety recall campaigns that cover the 2018 BMW X6 M. Repairs are free at a dealer of the make; check a car's VIN with NHTSA before you buy to see whether its recalls were fixed.
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.
| 2015 | $23,738 | 88,308 | 9 |
| 2014 | $16,476 | 107,069 | 10 |
| 2013 | $17,350 | 89,968 | 6 |
| 2012 | $15,439 | 117,282 | 7 |
| 2011 | $24,641 | 77,994 | 5 |
| 2010 | $13,229 | 104,999 | 4 |
