It is an advanced full-synthetic engine oil that is designed to provide exceptional wear protection, cleaning power and overall performance. This 5-qt motor oil bottle will support your car through oil change after oil change, helping to enhance and extend your engine's life. It does this by reducing deposits and sludge, protecting the parts in a high mileage engine. It also contains a seal conditioner to keep the engine seals in optimal condition and to prevent leaks. With excellent lubrication properties, Mobil 1 5W-20 Advanced Full Synthetic Motor Oil can be used in passenger cars, SUVs and trucks.