Contradiction with Judges 6:10
This verse states that the Israelites did not obey God's voice, contrasting with Romans 11:4 where God reserves a faithful remnant who have not bowed to Baal.
Judges 6:10: And I said unto you, I [am] the LORD your God; fear not the gods of the Amorites, in whose land ye dwell: but ye have not obeyed my voice.
Contradiction with Isaiah 65:2
This verse depicts God reaching out to a disobedient people, which conflicts with Romans 11:4, where God mentions a reserved remnant faithful to Him.
Isaiah 65:2: I have spread out my hands all the day unto a rebellious people, which walketh in a way [that was] not good, after their own thoughts;
Contradiction with Jeremiah 7:24
This verse shows that the people did not listen to God's voice, contrary to Romans 11:4 where there is a remnant that remains faithful.
Jeremiah 7:24: But they hearkened not, nor inclined their ear, but walked in the counsels [and] in the imagination of their evil heart, and went backward, and not forward. [imagination: or, stubbornness] [went: Heb. were]
Contradiction with 1 Kings 19:18
While Romans 11:4 cites this reference to emphasize a remnant, the context shows widespread unfaithfulness which contrasts with the remnant's faithfulness mentioned in Romans.
1 Kings 19:18: Yet I have left [me] seven thousand in Israel, all the knees which have not bowed unto Baal, and every mouth which hath not kissed him. [I have...: or, I will leave]