Rivian has introduced the R3 and R3X, which are part of the company's lineup of electric vehicles. The R3 and R3X are described as a subcompact duo and will be built on a new midsize platform, with the R3X also being referred to as a high-performance variant. The exact timing of their release is not clear, but they are expected as part of Rivian's future offerings, which also include other models such as the R2.