Contradiction with 1 Samuel 31:6
This verse, which mentions the death of Saul and his sons, contradicts 2 Samuel 5:17 where the Philistines seek David, a scenario dependent on Saul’s defeat at Gilboa.
1 Samuel 31:6: So Saul died, and his three sons, and his armourbearer, and all his men, that same day together.
Contradiction with 2 Samuel 2:4
Contradicts 2 Samuel 5:17 as it indicates David was already king over Judah much earlier and suggests stability before the Philistine threat later presented.
2 Samuel 2:4: And the men of Judah came, and there they anointed David king over the house of Judah. And they told David, saying, [That] the men of Jabeshgilead [were they] that buried Saul.
Contradiction with 1 Chronicles 11:2
David was recognized as king by all Israel earlier, which contradicts the Philistines' perception of him as newly anointed as in 2 Samuel 5:17.
1 Chronicles 11:2: And moreover in time past, even when Saul was king, thou [wast] he that leddest out and broughtest in Israel: and the LORD thy God said unto thee, Thou shalt feed my people Israel, and thou shalt be ruler over my people Israel. [in time...: Heb. both yesterday and the third day] [feed: or, rule]