The Model Y was the number one selling vehicle in the world in 2023. You can easily Google this.
Is that a well-defined thing? How is one supposed to know whether the FooBar WomBat 20 is the same vehicle or not as the FooBar WomBat 20i? Do auto industry insiders have a clear concept of this?
The original commenter said that Tesla had the most selling vehicle in the world "for years". This is not true.