Contradiction with 2 Kings 8:24
This verse portrays a peaceful death and burial, contrasting with any implication in 2 Kings 16:20 of a dishonorable burial or tumultuous context surrounding the death.
2 Kings 8:24: And Joram slept with his fathers, and was buried with his fathers in the city of David: and Ahaziah his son reigned in his stead. [Ahaziah: also called, Azariah, and Jehoahaz]
Contradiction with 2 Chronicles 28:27
This verse notes that Ahaz was not buried in the tombs of the kings, differing from 2 Kings 16:20 which implies a traditional royal burial.
2 Chronicles 28:27: And Ahaz slept with his fathers, and they buried him in the city, [even] in Jerusalem: but they brought him not into the sepulchres of the kings of Israel: and Hezekiah his son reigned in his stead.