This is a paid asset, but now you can download Low Poly Muscle Car Pack for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Low Poly Muscle Car Pack v1.1
Low Poly Muscle Car Pack:
● stylized, double-sided interior included
● using only unity standard shaders: super easy to change colors & great performance!
● with separate (grouped) parts so you can animate whatever you need (wheels, steeringwheel, etc.)
● consists of these models:
– Low Poly Muscle Car 01
– Low Poly Muscle Car 02
– Low Poly Muscle Car 03
– Low Poly Muscle Car 04
● clean meshes
● models work great with Easy Car Controller
● for use as scene prop or vehicle in your game/app
● no plugins or third party software needed
Have fun with it and let me know if you need to have anything customized!