The average asking price for a used 2018 BMW 750i xDrive is $20,508, with 99,554 miles on average, across 15 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2018 BMW 750i xDrives for sale at U.S. dealers ask $20,508 on average (half ask less than $21,393), across 15 cars. The cars for sale have 99,554 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 92 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 $20,508 on average with 99,554 miles; the 2017 asks $21,231 with 91,449 miles, and the 2019 asks $27,211 with 64,698 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.
