Surprisingly, if you want to turn sharply, don’t let up on the gas and don’t hit the brakes. I’ve tried power sliding with the brakes and it does nada, it just slows you down. Power sliding (otherwise known as drifting) is pretty much automatic in this game, but only if you’re pressing the gas. Once you let up on the accelerator you lose the sharpness of your turn and merely start sliding sideways.