Is the rotation of a car's wheels a translational phenomenon?

No
The rotation of the car's wheels is not a translation phenomenon. 

When a car is driving, the movement of the wheels is a rotation phenomenon, while the movement of the car body is a translation phenomenon. The wheels move around the axle, and this circular motion around a certain point or axis is called rotation. Translation refers to moving a figure in a plane along a certain direction for a certain distance without changing the shape and size of the object. Therefore, when a car is driving, the rotation of the wheels is a rotation phenomenon, not a translation phenomenon.