The Rivian R1T, an electric pickup truck, has been reviewed by several outlets, with some comparing it to its SUV counterpart, the Rivian R1S. Reviews have focused on the truck's performance, features, and overall driving experience, with some testers having spent extended periods with the vehicle. The reviews suggest that the Rivian R1T may be a significant entry in the electric vehicle market, potentially changing the landscape of the pickup truck segment.