The Rivian R2 SUV is being positioned as a competitor to the Tesla Model Y, with its 4695 battery reportedly outperforming Tesla's 4680 cell specs. The R2 has been test driven by several outlets, with some suggesting it could be a viable alternative to the Model Y. The R2's efficiency and performance have been noted as comparable to, or in some cases surpassing, those of the Model Y, despite the R2 weighing more.