Valvoline European Vehicle Full Synthetic 5W-40 Motor Oil is engineered with the highest quality synthetic bases oils and additives, making it our best motor oil to meet the rigorous requirements of gasoline and diesel engines in most Audi, BMW, Mercedes Benz, Volkswagen, and Porsche cars. Valvoline’s superior antioxidants resist motor oil breakdown, and extra detergents defend your engine from sludge and deposits.