10 Best Motor Oil of December 2025

• Innovative anti-wear additives provide 50% more wear protection than industry standards as tested in the industry Sequence IVA wear test
• Full synthetic formula for exceptional high and low temperature protection
• Extra detergents help fight sludge and deposits
• Superior antioxidants resist motor oil breakdown in extreme conditions

Valvoline

• Advanced premium full synthetic motor oil to offer strength under extreme pressure
• Titanium strong for maximum engine performance
• Reduces metal-to-metal contact across a range of different driving speeds
• Protects the engine for the entire drain interval even under extreme pressure
• Decreases engine deposit formation to help maximize engine response
• Best full synthetic money can buy
• API SN, ILSAC GF-5, ACEA A1/B1, A5/B5, GM dexos1, Meets Ford WSS-M2C929-A, Ford WSS-M2C946-A, Honda HTO-06, Meets engine test requirements of Chrysler MS-6395
• Castrol EDGE is 3X stronger than Mobil 1 against viscosity breakdown* *Tested in the ASTM D6278 test in the 5W-30 viscosity grade.

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

• Synthetic blend 5W-20 engine oil that provides durable wear protection and reduces engine wear
• Provides corrosion protection against harmful acids generated by engine contaminants
• Maintains viscosity from start to finish, providing optimal oil film protection
• Helps engines survive daily commutes from high-speed highway operation to repetitive, stop-and-go driving
• Combats engine sludge and deposits
• Formulated to exceed industry specifications: ILSAC GF-6A, API SP/SP-Resource Conserving and all previous categories
• Single 5-quart bottle with ergonomic design for easy handling and pouring
• Meets OEM requirements: Chrysler MS-6395, Ford WSS M2C945-A, Ford WSS M2C945-B1, GM 6094M
• Formerly known as Quaker State Advanced Durability 5W-20 motor oil

Quaker State

• Superior protection against engine sludge* *As measured in the Sequence VG Sludge test
• Advanced protection against viscosity and thermal breakdown
• Premium quality base oils and anti-wear additives to help extend the life of your engine
• Helps minimize oil consumption
• API SN/SM/SL/SJ; ILSAC GF-5/GF-4/GF-3

Castrol

• Mobil 1 High Mileage full synthetic motor oil 5W-20 is designed for engines with over 75,000 miles to go up to 10,000 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 your 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

• 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

• Dramatically reduce engine wear
• Leave critical engine parts 4X smoother* * As tested in the industry Sequence IVA wear test
• Superior wear protection on critical engine parts
• Meets Specifications: API SN Plus, ILSAC GF-5, GM dexos1 Gen 2, Ford WSS-M2C929-A, WSS-M2C946-B1
• Castrol recommends the use of Bosch oil filters

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

• Extra wear protection designed to help keep automotive engine parts like new
• Added detergents help protect against sludge and deposits
• High quality additives resist motor oil breakdown in tough conditions
• Low-friction formula supports strong fuel efficiency

Valvoline