Get Ride! AMDriver

'''Get Ride! Amdriver' (Get Ride! アムドライバ,ー Get Ride! Amu Doraibā''), is a Japanese anime series created by Studio Deen. It was broadcasted on TV Tokyo from April 5, 2004 to March 28, 2005.

Plot
In a future world, the earth is besieged by "bugchines" or destructive mecha. To turn back this menace, warriors called AM Drivers are trained and armed with special weapons. The AM Drivers constantly fight to protect the general public, where the most popular get larger budgets to purchase more powerful weapons and defenses.