A steered condition vehicle behavior improving apparatus is provided for a vehicle, wherein the vehicle is capable of running with a road wheel driven by a driving force from a power source. The steered condition vehicle behavior improving apparatus includes a steering operation detecting means and a driving force reducing means. The steering operation detecting means detects a steering operation of steering a steerable wheel of the vehicle. The driving force reducing means temporarily reduces the driving force to the road wheel a set time period after the steering operation is detected by the steering operation detecting means.