Rivian flew us out to beautiful Park City, Utah, to get a first test of the R2, its $45,000 “bet-the-company” mass market SUV that it has promised for years. Today it begins delivering these vehicles, and I can say unequivocally after driving a performance variant for 5 hours, that these early customers are going to be very happy, though with some notable caveats… The R2 looks a lot like its bigger, heavier 3-row sibling, the R1S.