Mobil 1 Extended Performance 10W-30 full-synthetic motor oil, 5 qt — up to 20,000-mile protection

If you want long-lasting lubrication that supports modern internal combustion engines, this 5-quart bottle of Mobil 1 Extended Performance 10W-30 delivers a high-performance synthetic formulation. Designed for both daily drivers and performance vehicles, it blends advanced additives to resist breakdown, control deposits, and help maintain engine cleanliness and power under a wide range of temperatures.

How does this oil protect my engine during long service intervals?

Mobil 1 Extended Performance is formulated to remain stable and resist oxidation, which helps the oil keep its protective properties for extended drain intervals. Stability reduces sludge and varnish formation, helping moving parts stay lubricated and wear to be minimized over time.

• Designed for up to 20,000 miles or one year between oil changes when used according to the warranty terms
• Controls oxidation to reduce oil breakdown and maintain viscosity
• Helps prevent sludge and harmful deposits that accelerate wear

Will it perform in extreme temperatures and protect engine components?

The synthetic base and specialty additives provide robust thermal protection at high operating temperatures and reliable flow at low temperatures. That means faster cold starts and reduced thermal stress during heavy loads or high-heat driving conditions.

• Internal heat protection up to roughly 500°F to reduce high-temperature wear
• Low-temperature fluidity effective down to about -40°F for quicker oil circulation on cold starts
• Formulation targets timing chain wear and low-speed pre-ignition (LSPI) protection per modern standards

Is this oil compatible with my vehicle and will it improve efficiency?

Mobil 1 Extended Performance 10W-30 meets current industry specifications and is suitable for a wide range of gasoline and light-duty diesel engines found in passenger cars, SUVs, vans, and light trucks. Its friction-reducing formulation can contribute to improved engine responsiveness and better fuel economy under many driving conditions.

• Meets ILSAC GF-6 and other modern specifications for broad vehicle coverage
• Works in turbocharged and supercharged engines as well as naturally aspirated units
• Designed to help maintain engine power and support fuel efficiency improvements

What maintenance benefits and cleanliness improvements should I expect?

The oil’s additive system targets deposit control so engines stay cleaner between services, which helps preserve performance and reduce the likelihood of oil-related issues. Routine oil analysis or following manufacturer intervals will provide the best results for longevity and reliability.

• Specialty detergents and dispersants help remove and limit sludge and varnish
• Triple Action+ style formulation balances protection, cleanliness, and performance
• Recommended by vehicle builders and widely used by mechanics and enthusiasts

Who is this for: Mobil 1 Extended Performance 10W-30 is aimed at drivers who want strong, long-lasting engine protection and cleaner operation between services—particularly owners of modern cars, SUVs, light trucks, and performance vehicles who prefer extended-change intervals or push their engines under demanding conditions. Follow your vehicle manufacturer’s recommendations for viscosity and service intervals to ensure compatibility with your engine and maintain any applicable warranties.