10 Best 10w30 Oil of August 2025

• 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

• 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

• Full synthetic 10W-30 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology
• Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine)
• Pennzoil Platinum 10W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results)
• No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
• Formulated to provide faster low-temperature oil flow and protection in extreme heat
• Helps protect engines from loss of power
• Single 1-quart bottle
• Pennzoil is the first motor oil made from natural gas, not crude—PurePlus Technology converts pure natural gas into high-quality, full-synthetic base oil that's crystal clear and contains fewer impurities than other traditional and synthetic motor oils
• Formulated for modern turbocharged engines—GF-6, API SP/SP-Resource Conserving and all previous categories
• This means outstanding results when measured against the most rigid of industry standards providing the best possible protection for your engine no matter any temperature or condition
• Pennzoil Platinum is formulated strong enough to protect your engine against the harshest winter cold, the hottest and most humid summer days
• Next generation Pennzoil Platinum keeps pistons up to 40 percent cleaner than the toughest industry standard
• Cleans engine sludge better than conventional and synthetic blends
• Full synthetic oil provides better wear protection; backed by the Pennzoil lubrication limited warranty

Pennzoil

• Conventional 10W-30 engine oil formula that keeps engines clean and responsive
• No leading conventional oil provides better wear protection (Based on Sequence IVA wear test using SAE 5W-30).
• Helps prevent sludge and other damaging deposits (Based on Seq VH Sludge Test)
• Compatible with engine seals and all conventional oils
• Single 5-quart bottle with ergonomic design for easy handling and pouring
• Exceeds the toughest industry standards (Based on ILSAC GF-6 and API SP)
• Formulated for modern turbocharged engines—GF-6, API SP/SP-Resource Conserving and all previous categories

Pennzoil

• 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

• Pack of Four 32oz bottles
• Genuine OEM Honda Engine Oil
• Please note: Consult owner's manual for proper part number identification and proper installation
• Wear work gloves to protect your hands when installing this part

Honda

• Full synthetic 10W-30 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology
• Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine)
• Pennzoil Platinum 10W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results)
• No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
• Formulated to provide faster low-temperature oil flow and protection in extreme heat
• Helps protect engines from loss of power
• Single 5-quart bottle with ergonomic design for easy handling and pouring
• Pennzoil is the first motor oil made from natural gas, not crude—PurePlus Technology converts pure natural gas into high-quality, full-synthetic base oil that's crystal clear and contains fewer impurities than other traditional and synthetic motor oils
• Formulated for modern turbocharged engines—GF-6, API SP/SP-Resource Conserving and all previous categories

Pennzoil

• 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

• Mobil 1 High Mileage full synthetic motor oil 10W-30 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 temperatures (to -40 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
• Fit type: Universal Fit

Mobil 1

• 42 percent better rating on fighting power robbing deposits
• Superior engine protection vs conventional and synthetic blend oils
• Superior performance against deposits, wear and oxidation; Bottle Color: Black
• Meets GM 4718M and Chrysler MS 6395
• Exceeds ILSAC GF-5, API SN, ACEA A1/A5, ACEA B1/B5

Castrol