Battle Gear 4 Tuned was an update to Battle Gear 4, and the last game in the Battle Gear series, released by Taito in 2006. Alongside the original Battle Gear 4, the game saw a direction change of trying of more of being a coin-operated Gran Turismo.

Released in November 2006 in Japan as an update for Battle Gear 4; later re-released for export markets in 2010 without support for the NESYS service, but with additional tracks (previously NESYS exclusive content in the original release) enabled. The NESYS online service closed on March 31, 2019.