Mobil Super High Mileage 5W-20, 1 Quart: * Unique formulation proven to help extend engine life * Proven protection against sludge and engine wear * 5,000 miles of protection, guaranteed * Contains 15 percent more cleaning additive than our basic conventional engine oil to help prevent the formation of sludge and harmful deposits * Contains friction-reducing additives * Certified as API SN / Resource Conserving * Guaranteed protection from oil-related engine failure