I think u would enjoy this video
https://www.youtube.com/watch?v=c2eLaGsB1Uk
She's is an ex-Muslim Christian! Praise God!
Read about Muhammad and u will c that many things, one being that he was illiterate and therefore a lot of what is written in th Quaran is in effect to what he heard around him in his time (Jews and Christians).
I encourage u to do some research! it's important as Christians to hav knowledge about all beliefs and religions, so we can be able to b bettr witnesses bcuz we hav their point of view