10 Best Motor Oil For High Mileage Engine of August 2025

• Superior detergency that helps prevent deposit build up
• Superior oil burn off protection versus leading conventional oils
• Seal conditioners help reduce leaks; Bottle Color: Green
• Advanced additives that help prevent engine wear
• Exceeds ILSAC GF-5, API SN

Castrol

• Enhanced anti-wear additives deliver a thick & durable layer of anti-wear film to help prevent auto engine breakdown
• Added detergents help protect against sludge and deposits
• Premium seal conditioners help treat and prevent leaks
• Superior antioxidants resist motor oil breakdown in extreme conditions

Valvoline

• Mobil 1 Extended Performance High Mileage full synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes*
• Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI), timing chain wear protection while keeping your engine clean and helping fuel economy
• Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
• Helps extend engine life by working to prevent damaging deposits and sludge buildup
• Helps to protect your engine from the five factors that can damage engines over time

Mobil 1

• Titanium strong for maximum engine performance in vehicles with over 75,000 miles
• Maximizes short and long term engine performance on high mileage engines
• Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown
• Reduces leaks, oil burn off and power-robbing deposits
• Improves fuel economy

Castrol

• For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
• Excellent overall lubrication and wear protection
• Outperforms our conventional high mileage oils
• Helps protect critical engine parts in higher mileage engines
• Helps reduce the sludge and deposits that conventional oils can leave behind
• Helps prevent leaks

Mobil 1

• Superior detergency that helps prevent deposit build up
• Superior oil burn off protection versus leading conventional oils
• Seal conditioners help reduce leaks; Bottle Color: Green
• Advanced additives that help prevent engine wear
• Exceeds ILSAC GF-5, API SN

Castrol

• Enhanced anti-wear additives deliver a thick & durable layer of anti-wear film to help prevent auto engine breakdown
• Full synthetic formula for exceptional high and low temperature protection
• Extra detergents help fight sludge and deposits
• Premium seal conditioners help treat and prevent leaks

Valvoline

• For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
• Ideal for engines over 75,000 miles and for longer drain intervals
• Helps prevent build up that can cause rust and corrosion
• Reduces friction for less engine wear
• High resistance to viscosity and thermal breakdown
• Helps reduce exhaust emissions

Amazon Basics

• Conventional High Mileage 10W-30 engine oil specially formulated for new or late model SUVs, light vans and trucks, and passenger cars
• Recommended for vehicles with over 75, 000 miles
• Helps prevent sludge and other damaging deposits
• Contains seal conditioning agents for dry or cracked engine seals to help reduce leaks and oil consumption
• Provides proven wear protection for engine parts
• Single 5-quart bottle with ergonomic design for easy handling and pouring
• Exceeds the requirements of the following industry specifications: API SP and all previous categories

Pennzoil