The Islamic tradition paints an idealized portrait of Muhammad proclaiming him a moral exemplar for all mankind.
However, when measured against the sinless, non-violent, and self-sacrificing life of Jesus Christ, Muhammad appears less like a successor to the biblical prophets and more like a 7th-century tribal chieftain who utilized the claim of divine authority to consolidate earthly power, establish a legalistic religious system, and expand his influence through military conquest.
For Christians, Jesus is the "Alpha and Omega," His message of unconditional love and self-sacrifice represents the pinnacle of human morality. Muhammad’s return to polygamy, animal sacrifice, and military conquest is viewed not as a continuation of the same faith, but as a regression into pre-Christian, tribal behaviors.
Whenever Old Testament prophets like Moses or David sinned, their sins were recorded as failures and they repented. In contrast, Muhammad's controversial actions (like the marriage to Zainab or the raids) were "divinely sanctioned" through new revelations, which critics claim allowed him to bypass moral laws rather than submit to them
There is a great difference between the "Great Commission" of Christianity and "Jihad" in Islam. Jesus sent his disciples out as "lambs among wolves" to die for the truth; Muhammad is seen as sending his followers out as "wolves among lambs" to kill for the expansion of an earthly caliphate.
Muhammad’s mental and spiritual state is characterized as one of profound instability and demonic influence. Critics point to early Islamic traditions where he initially feared his revelations were the result of a jinn or possession, accompanied by physical manifestations like foaming at the mouth and hearing bells, which align more with biblical descriptions of demonic affliction than holy prophecy.
This spiritual vulnerability is further highlighted by the "Satanic Verses" incident and the recorded accounts of him being "bewitched" by black magic, leading polemicists to argue that a true prophet of God would not be so easily deceived or overcome by occult forces.
The attempt to link him to Deuteronomy 18:18 (the "prophet like Moses") fails because Moses was a miracle-working lawgiver who spoke to God directly, whereas Muhammad relied on an intermediary spirit and a message that contradicted the established Torah.
By contrasting his violent expansionism and the eventual death caused by poison with the self-sacrificial, resurrected life of Christ, the polemical conclusion is that Muhammad was not the culmination of prophecy, but a "wolf in sheep’s clothing" whose mission was to subvert the finished work of Jesus.
The miracle claims surrounding Muhammad are dismissed as later inventions (attempts to mimic miracles of Moses, Elisha, and Jesus) that directly contradict the Quran’s own testimony. Critics point to several passages where Muhammad explicitly admits he was not granted supernatural signs, stating he is "only a warner" (Surah 29:50) and that miracles were withheld because previous nations rejected them (Surah, 17:59).