Description Mobil 1 5W-30 Motor Oil is a specially formulated synthetic oil designed to keep your engine running like new by providing exceptional wear protection, cleaning power and overall performance. The oil helps to reduce deposits and sludge to protect your engine and give it a longer life. Made for all driving styles, this product will ensure that the engine stays lubricated to deliver optimal performance without overheating or oxidation. This Mobil 1 Motor Oil, 5qt, is designed to last for the longest oil change interval recommended for vehicles, and it can also improve the fuel economy of the engine. With excellent viscosity control, this oil meets or exceeds the requirements of the industry's toughest standards and outperforms conventional oils. Mobil 1 technology comes as standard equipment in many different vehicles, including select high-performance vehicles.