NADA is a better source for value. No reputable dealer uses KBB.
Base Denali CC 4WD, 85k Options will make the price higher
Mileage (85,000) -$900
Rough Trade-In $24,675 $23,775
Average Trade-In $26,425 $25,525
Clean Trade-In $27,875 $26,975
Clean Retail $31,150 $30,250
Base Price
Price + Options
Certified Pre-Owned (CPO)
+$1,500
https://www.nadaguides.com/Cars/2015...ali-4WD/Values