Gas Type by Car: Regular, Premium, Diesel or E85 / Subaru / CrosstrekSubaru Crosstrek Gas type by year YearGas type2027Regular2026Regular2025Regular2024Regular2023Regular2022Regular2021Regular2020Regular2019Regular2018Regular2017Regular2016Regular2015Regular2014Regular2013Regular Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).