An unusual black Ferrari has been seen outside of one of the automaker's test facilities. Barely seen.

The $625,000 SF90 Stradale coupe featured in a video on the Varryx YouTube channel appears to be covered in Vantablack, which is a substance made of nanotubes that absorbs up to 99.965% of visible light and is available as a sprayable paint.

The coating obscures fine surface details and can make an object look unreal when situated in a natural environment.

This Ferrari SF90 Stradale appears to be coated in Vantablack

This Ferrari SF90 Stradale appears to be coated in Vantablack (Varryx)

It's not known why the car was created, and Ferrari has not responded to a request from Fox News Autos for comment.

The most likely explanation is that Ferrari is using the coating as a type of camouflage for prototypes being tested on public roads, in lieu of the more common black and white dazzle wrap designs.

However, Ferrari does offer one-off customizations of its vehicles to select customers, so it is possible the Vantablack itself is being tested for. road use, as it can create a significant amount of heat.

The SF90 Stradale is currently available from the Factory in two standard shades of black. Nero and the metallic Nero Daytona.

(Ferrari)

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No automaker has yet offered a Vantablack vehicle for sale, but BMW created a Vantablack show car in 2019 to demonstrate the possibility, noting that a production version would be "extremely expensive" and could cause safety issues for other drivers.

(BMW)

BMW said it would continue testing it for use within laser-based sensor arrays to improve their performance in driver assist systems.