Polestar 4 manages to split the internet with one innovative and possibly very dubious idea

The attractive, white, all-electric four-door coupe spent most of Wednesday morning hidden under glittering gold dust at the New York International Auto Show before Polestar unveiled its new four-door EV, the Polestar 4, and presented an innovation conundrum: Does a car need a rear window ?

This was Polestar’s big innovation for its new EV: removing the rear window and placing an HD screen camera on the spoiler and projecting that image onto the interior mirror. Of course, that mirror is now a display.

“It’s not just about the cool look and design of it,” said the CEO of Polestar Thomas Ingenlath in his presentation, “it actually has an incredible functional advantage.”

Polestar 4 covered in dust (Image credit: Future/Lance Ulanoff)

Ingenlath explained that, unlike more spacious SUVs, a coupe like the Polestar 4 would naturally have a lower roof and the center structural beam would move over the heads of the rear passengers. The space behind that can only be reduced so much because you need a clear line of sight from the rear view mirror to the rear window. However, when you remove the rear window, you can move the bar back while giving your passengers more headroom.

Converting the rear-view mirror into a display offers another advantage. Instead of looking into a mirror and seeing the interior of your car with a relatively small portal to the outside world in the middle, the entire display only shows what’s happening behind your car.

Polestar 4

Polestar 4 reversing camera (Image credit: Future/Lance Ulanoff)

It’s not a crazy idea and not even that new. Years ago, I was in a concept car with a rearview mirror that could switch between a traditional mirror and a video feed from one of the car’s many cameras.