Gas Type by Car: Regular, Premium, Diesel or E85 / Mitsubishi / Raider PickupMitsubishi Raider Pickup Gas type by year YearGas type2010Regular2009Regular (flex-fuel E85 engine available)2008Regular (flex-fuel E85 engine available)2007Regular2006Regular Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).