Gas Type by Car: Regular, Premium, Diesel or E85 / Volvo / XC90Volvo XC90 Gas type by year YearGas type2027Premium2026Premium2025Premium2024Premium2023Premium2022Premium2021Premium2020Premium2019Premium2018Premium2017Premium2016Premium2014Regular2013Regular2012Regular2011Regular2010Regular2009Regular2008Premium2007Premium2006Premium2005Premium2004Premium2003Premium Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).