Top 10 Full Synthetic Oils (April 2024)

Castrol 03057 GTX MAGNATEC 5W-30 Full Synthetic Motor Oil – ⭐ Best Overall Full Synthetic Oil

159BF4 by Castrol

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

881150 by Valvoline

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

03128C by Castrol

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

AM0D533Q by Amazon Basics

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

507679 by Valvoline

Full synthetic formula helps maximize power and acceleration
Formulated to provide outstanding wet clutch protection for maximum power transfer and smooth shifting
Added protection against harmful deposits that can decrease engine performance
Excellent wear and corrosion protection to help keep the engine performing its best

03124 by Castrol

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 the needs of Honda, Toyota, Acura, Lexus and other vehicles where 0W-20 grade is recommended
Exceeds ILSAC GF-5, API SN, ACEA A1, ACEA B1

120758 by Mobil 1

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
Low viscosity, advanced full synthetic formula; helps increase engine efficiency and improve fuel economy up to 2 percent
Outstanding thermal and oxidation stability; helps reduce oil aging, resulting in long lasting protection
Outstanding low-temperature capabilities; quick cold-weather starting and fast protection helps extend engine life
Precisely balanced additive component system
Excellent overall lubrication and wear protection performance for many driving styles and conditions, from mild to severe, where a 5W-20 or 0W-20 is recommended

550046205 by Pennzoil

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
* Get a $22 Shell Gift Card when you purchase 10 quarts of Pennzoil Full Synthetic Motor Oil; see Pennzoil website to learn more and see full Terms and Conditions.
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

120766 by Mobil 1

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
Advanced full synthetic formula; helps prevent deposits and sludge build-up to enable long engine life;Helps to maintain stable oil viscosity
Excellent overall lubrication and wear protection performance under many operating conditions; precise balance of performance additives
Helps provide outstanding engine protection; outstanding thermal and oxidation stability
Exceptional control of oil breakdown; provides exceptional engine protection
Helps maintain long engine life and is compatible with engine seals; excellent low-temperature capabilities; quick cold-weather starting for fast protection and extended engine life

550045347-3PK by Shell Rotella T

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils
Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life
Formulated with additive technology that protects against the effects of soot, dirt and other contaminants
Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure
Suitable for diesel-powered vehicles from tractor/trailers to classic cars and heavy-duty diesel pickups that allow an SAE 5W-40
Part Number: 550045347-3PK