U.S. sales of the Tesla Model 3 plunged 74% in January compared with December, according to a consumer website, lending credence to rumors that sales of the vehicle have fallen off a cliff.

The California-based carmaker sold 6,500 Model 3s in the U.S. in January, compared with 25,250 the month before and 1,875 in January 2018, according to InsideEVs.