Quote:
Originally Posted by Phase
I’m seeing a lot of newer cars having this “ jagged” rear where the sides of the car don’t fully extend as much as the roofline or even diffuser area. Is there a reason for having this shape versus it being straight and blunt and the same length in the back? Or is it just styling? I’ve also noticed the back of my Ioniq has a similar shape, versus just being straight vertical on the sides
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The top and sides have an "edge" so that airflow detaches at exactly that point.
The top can be extended a bit, to better guide that air, and slightly reduce the rear wake. The only side effect is possibly shading the top of the rearwindow a bit. The protrusion ends before the rear bumper, so no risk of it catching on anything.
The sides, on the other hand, cannot have this extra protrusion, as it may catch on something while turning and/or backing up.
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