Gas Type by Car: Regular, Premium, Diesel or E85 / Acura / TLAcura TL Gas type by year YearGas type2014Premium2013Premium2012Premium2011Premium2010Premium2009Premium2008Premium2007Premium2006Premium2005Premium2004Premium2003Premium2002Premium2001Premium2000Premium Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).