You will find in the blend/fbx/obj file low poly models for six cars, a pick-up truck, a racing car, a van, small truck, long truck, and a bus. The blend file has simple materials, with the headlights and tail lights having emission shader.
BLEND (Blender, filesize: 9.18 MB), OBJ (OBJ, filesize: 6.81 MB), FBX (Autodesk FBX, filesize: 2.1 MB)