I wouldn't say Islam is any more inherently evil than Christianity.
I have made a start at gathering quotes to support my view that Islam is evil but Christianity is not. I could gather more quotes all day but here are some to be going on with.
Here are some quotes from Muhammad in the Quran. As can be seen they are full of violence and fighting.
5.33. The punishment of those who wage war against Allah and His Messenger, and strive with might and main for mischief through the land is: execution, or crucifixion, or the cutting off of hands and feet from opposite sides, or exile from the land: that is their disgrace in this world, and a heavy punishment is theirs in the Hereafter;
8.12 Remember thy Lord inspired the angels (with the message): "I am with you: give firmness to the Believers: I will instil terror into the hearts of the Unbelievers: smite ye above their necks and smite all their finger-tips off them."
9.5 But when the forbidden months are past, then fight and slay the Pagans
wherever ye find them, an seize them, beleaguer them, and lie in wait for them in
every stratagem (of war);
33.61 They shall have a curse on them: whenever they are found, they shall be
seized and slain (without mercy).
47.4 Therefore, when ye meet the Unbelievers (in fight), smite at their necks; At length, when ye have thoroughly subdued them, bind a bond firmly (on them):
Contrast the above with the teachings of Jesus, below.
Matthew chapter 5
Ye have heard that it hath been said, An eye for an eye, and a tooth for a tooth:
39 But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also.
43 Ye have heard that it hath been said, Thou shalt love thy neighbour, and hate thine enemy.
44 But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;