Contradiction with Matthew 27:5
While Genesis 15:15 speaks of dying in peace at a good old age, Matthew 27:5 describes Judas's death by suicide, which is neither peaceful nor at a good old age.
Matthew 27:5: And he cast down the pieces of silver in the temple, and departed, and went and hanged himself.
Contradiction with 1 Samuel 31:4
In contrast to the peaceful death mentioned in Genesis 15:15, this verse describes King Saul's violent death by his own hand, lacking peace.
1 Samuel 31:4: Then said Saul unto his armourbearer, Draw thy sword, and thrust me through therewith; lest these uncircumcised come and thrust me through, and abuse me. But his armourbearer would not; for he was sore afraid. Therefore Saul took a sword, and fell upon it. [abuse...: or, mock me]
Contradiction with Acts 5:10
Genesis 15:15 promises a peaceful end, whereas this verse tells of Sapphira's sudden death, which was not peaceful or at a ripe old age.
Acts 5:10: Then fell she down straightway at his feet, and yielded up the ghost: and the young men came in, and found her dead, and, carrying [her] forth, buried [her] by her husband.
Contradiction with Job 3:11
Job laments why he did not die at birth, a stark contrast to Genesis 15:15’s idea of living to a full old age and dying peacefully.
Job 3:11: Why died I not from the womb? [why] did I [not] give up the ghost when I came out of the belly?
Contradiction with 2 Kings 9:33
This verse describes Jezebel's violent and abrupt death, opposing the promise of a peaceful and good old age death in Genesis 15:15.
2 Kings 9:33: And he said, Throw her down. So they threw her down: and [some] of her blood was sprinkled on the wall, and on the horses: and he trode her under foot.