Mobil Mobil 1 Extended Performance Full Synthetic Motor Oil 10W-30, 5 qt — 25,000‑mile protection

Mobil 1 Extended Performance 10W-30 is a full synthetic motor oil designed to protect engines and help maintain cleanliness for up to 25,000 miles between oil changes.

Built on Mobil’s long-standing synthetic technology, this 5‑quart pack of 10W‑30 oil balances cold‑start flow and high‑temperature stability for a wide range of gasoline engines. It meets modern industry specs including ILSAC GF‑7 and is formulated to reduce sludge and deposits, guard timing chains, and improve oxidation resistance. That combination helps preserve engine components and performance across varied driving conditions.

How does this oil protect an engine over extended intervals?

Mobil 1 Extended Performance contains specialty synthetic additives that resist breakdown and control oxidation, maintaining protective film on bearings, pistons, and timing components during long drain intervals. The formula is engineered to limit sludge and varnish formation even after many miles of use.

• Stabilized synthetic base stocks that resist thermal degradation
• Additives that limit deposit formation and keep parts cleaner
• Designed to protect critical components like timing chains and bearings
• Tested to perform up to 25,000 miles or 1 year (whichever comes first)

Will 10W‑30 help with cold starts and hot operating temperatures?

The 10W‑30 viscosity offers easy pumpability at cold temperatures for faster lubrication on startup, while remaining viscous enough at high temperatures to maintain oil film under load. That balance helps reduce wear during initial rotation and provides stable protection during highway driving and towing.

• 10W cold‑flow rating for improved startup protection
• 30 high‑temperature viscosity to maintain film strength under load
• Engineered for consistent performance across seasonal temperature ranges

Can this oil improve fuel economy or engine cleanliness?

Mobil 1 Extended Performance is formulated to reduce internal friction and remove existing deposits in a single oil change, which can help the engine run more efficiently. While fuel economy gains vary with vehicle and driving habits, the blend meets stringent fuel‑economy requirements and promotes cleaner-running components.

• Proven deposit control that helps restore component efficiency
• Formulation aimed at lowering friction compared with conventional oils
• Compliant with GF‑7 fuel economy standards for modern engines

Who is this for? Mobil 1 Extended Performance 10W‑30 in a 5‑quart container suits drivers who prefer extended oil change intervals without sacrificing protection — owners of passenger cars, crossover SUVs, and light trucks that require a 10W‑30 viscosity and benefit from GF‑7 compliant synthetic oils. It’s also a practical choice for people who want a widely recommended, retail‑available motor oil from a brand used by mechanics and performance teams.

Features:

• Exceptional engine performance
• Protects for 25,000 miles – guaranteed*
• Cleans your engine in 1 oil change
• Improves gas mileage***
• Keeps your engine running like new

Notes: Protection claim applies up to 25,000 miles or 1 year, whichever comes first. Mobil 1 is a leading retail motor oil brand and is used broadly across the automotive aftermarket.