My brother and I (probably 40 years ago) got our VW beetle out in the middle of a large parking lot covered in black ice. We couldn't get out because the RWD and engine weight in the rear, the car would just swap ends. We got out by driving backwards.The best traction car I ever had was a VW beetle in college. (skinny tires). Getting up Onondaga hill in Syracuse in the winter was no problem.