The average asking price for a used 2015 GMC Sierra 1500 Crew Cab is $27,840, with 84,139 miles on average, across 8 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2015 GMC Sierra 1500 Crew Cabs for sale at U.S. dealers ask $27,840 on average (half ask less than $27,290), across 8 cars. The cars for sale have 84,139 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 2015 asks $27,840 on average with 84,139 miles; the 2014 asks $25,223 with 86,813 miles, and the 2016 asks $27,119 with 78,944 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.
| 6 |
| 2013 | $21,057 | 95,293 | 3 |
