acid test for book claiming to be from god is that it should be free from contradictions.
4:82 "Do they not then consider the Quran carefully? Had it been from other than Allah, they would surely have found therein much contradictions."
The bible doesnt seem to pass the test as it has several of them.
Google something like - bible contradictions answered
An admission by the Quran's own author regarding how to resolve the Quran's contradictions:
Surah 2:106 (Asad) Any message which, We annul or consign to oblivion We replace with a better or a similar one. Dost thou not know that God has the power to will anything?