This video shows an earlier version of my mod. Version 2.5 has already been released! Mod download: www.gtagarage.com works with GTA4 v1.00 - v1.04 This mod makes the handling of cars and bikes more realistic and changes acceleration, top speed and deceleration of each car to match its real life counterpart. The Properties of all 110 vehicles have been reworked one by one. The changes include but are not limited to: realistic top speed, realistic air drag, realistic acceleration, realistic traction, realistic brakes, new centre of mass, adjustment of suspension and shocks. It also features completely new handling for motorcycles and helicopters. enjoy!