About Wheel not Colliding
Hey there, check your collisions. Collisions should look something like this:
If it is still not working try changing your collision type.
To see collision, got to show on the viewport them check the show collision option.
Edit: is your car drivable or is it static. If it is stactic you can turn off gravity and it will float. Just put it on the ontop of your road.
Watch Driving Around: Exploring Chaos Vehicles | Feature Highlight | State of Unreal 2022 - YouTube
look more like the wrong settings in the wheel bp