I believe in THE LORD JESUS CHRIST of the Bible because what He promised in John 14:16-17 and Acts 1:4-5 happened to me, just like it did to the 120 in Acts 2:1-4.
Allah of the Quran doesn't promise and fulfill this, nor does any other religion in the world.
So have you read the Quran or the holy book of any other religion to confirm that they do not promise something similar? Have you discussed with people of other religions their experiences which has affirmed their belief in their respective deities?