I animate Blender BMW using the RigACar addOn, and blender 2.9
File is free to use.
You need to install the RigACar addOn from
http://digicreatures.net/articles/rigacar.html
You can see the tutorial, from the same website, how to install and use this rig to animate any car. I made this file for you to easy learn how to animate the car.
Comotempera YouTube videos list
https://www.youtube.com/watch?v=_YEaEL4R4hs&list=PLd966SQ86O1MOPBFFzyGqN8uQ_JvEsttB
http://digicreatures.net/articles/rigacar.html
https://youtu.be/D3XQxA_-TzY