Mobil 1 Advanced Fuel Economy motor oil utilizes our signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to vehicles of all ages. Specialty components in synthetic oil extend engine life by reducing the friction that causes deposits and sludge buildup—keeping critical engine parts clean and protected for up to 15,000 miles between oil changes.* Mobil 1 Advanced Fuel Economy motor oil meets ILSAC GF-7 standards, offering superior oxidation control, enhanced protection against pre-ignition and timing chain wear, and excellent cold-start and low-temperature performance. Mobil 1 is the #1 selling motor oil in America at retail,** trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. *Protects for 15,000 miles or 1 year, whichever comes first **Source: Circana/ Retail Tracking Service/Dollar Sales/52 weeks ending February 1, 2025 ***vs GF-7 fuel economy requirement for 0W-16, 0W-20, 0W-30; vs JASO GLV-1 fuel economy requirement for 0W-8