This video covers the modeling and rigging of a very simple vehicle mesh for use in Unreal Engine 4.
This tutorial is a derivative of a great Maya Vehicle for UDK tutorial: https://www.youtube.com/watch?v=SunJsm4tA7Q.
This is part one. Part two covers importing the FBX into Unreal Engine 4 and creating a drivable vehicle. Part two: http://youtu.be/t82xeOPW6Z4.