In models with all-wheel drive, the rear wheel also has a motor in the wheel. I don't know what you mean by mid. I'm not sure how a 'mid' wheel would be defined.
Simplicity is the key to their design! If you are constantly making changes and, in this fast moving tech age attempting to use all the latest technology, you will never get in production!!
In models with all-wheel drive, the rear wheel also has a motor in the wheel. I don't know what you mean by mid. I'm not sure how a 'mid' wheel would be defined.