The EV Grids preset for the Rivian R1S uses about 560 km rated range and roughly 185 Wh/km as a starting efficiency. A practical highway budget before reserve is often near 380 km, not the sticker. Rivian R1S uses an EV Grids preset of about 560 km rated range. Comfortable highway range is often near 380 km before reserve if you drive at Indian NH speeds with AC.
This preset is aimed at US/EU-style corridors on the site (interstate or motorway pages). Enter Wh/km from highway miles if you toggle display units — stored plans stay in km.
