Contradiction with Genesis 18:32
This verse emphasizes God's willingness to spare Sodom if there are righteous people, whereas 2 Peter 2:6 emphasizes the destruction of Sodom and Gomorrah as an example of judgment without mention of sparing.
Genesis 18:32: And he said, Oh let not the Lord be angry, and I will speak yet but this once: Peradventure ten shall be found there. And he said, I will not destroy [it] for ten's sake.
Contradiction with Ezekiel 16:53
This verse discusses the restoration of Sodom, which contrasts with the irreversible destruction noted in 2 Peter 2:6.
Ezekiel 16:53: When I shall bring again their captivity, the captivity of Sodom and her daughters, and the captivity of Samaria and her daughters, then [will I bring again] the captivity of thy captives in the midst of them:
Contradiction with Jeremiah 23:14
This verse compares the prophets of Jerusalem to Sodom and maintains that both faced corruption, not focusing on destruction as in 2 Peter 2:6.
Jeremiah 23:14: I have seen also in the prophets of Jerusalem an horrible thing: they commit adultery, and walk in lies: they strengthen also the hands of evildoers, that none doth return from his wickedness: they are all of them unto me as Sodom, and the inhabitants thereof as Gomorrah. [an...: or, filthiness]
Contradiction with Isaiah 1:9
This verse highlights the survival of a remnant, noting mercy, while 2 Peter 2:6 describes total destruction.
Isaiah 1:9: Except the LORD of hosts had left unto us a very small remnant, we should have been as Sodom, [and] we should have been like unto Gomorrah.
Contradiction with Lamentations 4:6
Lamentations states that the punishment of Sodom was overthrown in a moment, implying a sudden act, whereas 2 Peter 2:6 implies a lasting example.
Lamentations 4:6: For the punishment of the iniquity of the daughter of my people is greater than the punishment of the sin of Sodom, that was overthrown as in a moment, and no hands stayed on her. [punishment of the iniquity: or, iniquity]