Rivian has overhauled the R1T and R1S electric truck and SUV, but it’s mostly stuff you can’t see 2025 Rivian R1T and R1S can be optioned with dual-, tri-, or quad-motor powertrains Pricing holds steady with the R1T starting at $69,900 and the R1S starting at $75,900 EV manufacturer Rivian on Thursday revealed updated versions of its debut R1S…