ToyotaGT One TM1
The relief you show requires major surgery, extend the wheelbase or re-hinge [suicide] the door. Less radical is the Honda Insight and others with a rolled lip.
I think a good start for an air curtain would be a splitter under the front bumper with upturned wingtips, like modern air liners. It needs to be a converging duct that exits at the outer edge of the tire.