Chariots were prestigious and powerful military vehicles, especially effective on suitable terrain, while mounted cavalry became increasingly important in later ancient Near Eastern warfare.
Elijah taken up into heaven (89401747) - Gustave Doré — Old Testament
Historical and Cultural Background
Egyptian and Canaanite forces employed chariots extensively, and later Israelite and Assyrian armies also used them. Biblical writers therefore use chariots as familiar symbols of military strength and royal power.