2021 Tesla Model S prototype spied testing, could be facelifted model

A mysterious 2021 Tesla Model S prototype has been spotted testing in the US, which many believe is our first look at an upcoming facelift for the Tesla's flagship electric sedan. The blue, manufacturer-registered example spotted by Twitter user @klwtts features a new rear diffuser, black tailgate trim (replacing chrome on current cars) and tweaked revised headlight and front fog light signatures, suggesting an assortment of mild exterior updates are in the works for the Model S.