The EV Grids preset for the Tesla Model 3 (US EPA) uses about 438 km rated range and roughly 145 Wh/km as a starting efficiency. A practical highway budget before reserve is often near 297 km, not the sticker. Tesla Model 3 (US EPA) uses an EV Grids preset of about 438 km rated range. Comfortable highway range is often near 297 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.
