UniCar - Unity 5 Vehicle Physics
UniCar is a Unity 5-based vehicle physics setup that uses built-in Unity components and custom C# scripts to allow control of a variety of different vehicle types. This Unity package contains (2) demo environments, (4) Vehicle prefabs, (4) sets of visual FX particles and more than (10) unique audio loops. UniCar is designed at it's core to be optimized for mobile platforms, so it performs exceptionally well on mobile phones and tablets.
Watch this Youtube demo for a demonstration of the mobile and PC builds.