Contradiction with Mark 15:21
Simon is compelled to carry the cross, which agrees with Matthew 27:32, making it hard to contradict directly.
Mark 15:21: And they compel one Simon a Cyrenian, who passed by, coming out of the country, the father of Alexander and Rufus, to bear his cross.
Contradiction with Luke 23:26
Similar to Matthew, states Simon carried the cross but highlights a lack of involvement from Jesus, contradicting the implication that Jesus might have been unable to continue.
Luke 23:26: And as they led him away, they laid hold upon one Simon, a Cyrenian, coming out of the country, and on him they laid the cross, that he might bear [it] after Jesus.
Contradiction with John 19:17
States that Jesus bore his own cross, contradicting the intervention of Simon as described in Matthew 27:32.
John 19:17: And he bearing his cross went forth into a place called [the place] of a skull, which is called in the Hebrew Golgotha: