10 Best 5w20 Oil of August 2025

• 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

• 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 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

• Excellent engine cleanliness through superior sludge and varnish protection
• Outstanding high-temperature protection under severe driving conditions
• Superior cold-temperature protection through faster oil flow at start-up
• Meets the API SN Plus classification protecting engines from LSPI (Low Speed Pre-Ignition)

Valvoline

• Synthetic blend High Mileage 5W-20 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

• 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

• 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

• For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
• Formulated 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

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Ford

• 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, Meets Ford WSS-M2C153-H, Ford WSS-M2C930-A, Ford WSS-M2C945-A, Meets engine test requirements of Chrysler MS-6395

Castrol