This is a paid asset, but now you can download Violent race 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
Violent race v1.1
Some spoil – style racing cars
Each vehicle contains three to five textures
This is a very high quality model of a number of vehicles.
Hope can help you.
The low fixed point number can be applied to the mobile phone, which is convenient to optimize the performance.
This resource contains 11 cars
The size of the texture is 512
The number of model vertices is optimized under the precondition of model details.
-Source Files (fbx).