The Best 5W-40 Motor Oil 2025

1. Rotella T6 Low SAPS Full Synthetic Motor Oil 5W-40, 1 Gallon ("Pack"3)

Shell Rotella T6 1-Gallon 5W40 CJ4 Motor Oil. It features Shell exclusive low SAPS additive technology reinforced with a novel and unique anti-wear system. Its protective power is further enhanced through the use of synthetic base oil technology that increases additive activity to deliver low viscosity fuel saving performance with no compromise in durability. It is compatible with exhaust emissions control systems and provides protection in extreme operating temperatures and fuel economy performance.

Rotella T6 Low SAPS Full Synthetic Motor Oil 5W-40, 1 Gallon ("Pack"3) Shell Rotella T6, 5W40 Motor Oil, 3-pack of 1 Gallon Bottles Synthetic motor oil offers extreme temperature protection Advanced multi-functional additive technology provides highly responsive protection that adapts to your driving conditions Promotes fuel economy performance without compromising durability Covers 10 heavy-duty diesel engine parts for do-it-yourself and installed customer oil changes 3-pack of 1 Gallon Bottles

2. Quicksilver 8M0058914 5W-40 Full Synthetic 4-Stroke ATV Engine Oil, 1 Quart

Quicksilver ATV/UTV 4-stroke oil is a high-quality, full-synthetic 4-stroke engine oil formulated for use in all 4-stroke ATV and UTV engines including modern fuel-injected and turbocharged models. Full-synthetic 5W-40 formula provides ultimate engine protection in high heat conditions as well as easy starting and cold flow protection in low temperatures. Using this product will not void manufacturer warranties.

Full synthetic formula with excellent film strength to resist shear and oxidation for maximum fluid life Additives protect against corrosion of internal engine components and provides overall engine wear protection in high heat conditions Easy starting and instant cold flow engine protection in low temperatures Optimizes clutch performance even in wet clutch applications Meets or exceeds all major powersports vehicle manufacturer’s warranty requirements

3. Rotellat6 5w40 6*1 Quart Case

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Shell Rotella T6, 5W40 Motor Oil, 1-quart, (6-pack): Free warranty with purchase and use of Shell Rotella T-Triple Protection, Shell Rotella T5 Synthetic Blend Technology Heavy-Duty Engine Oils, up to 10 years or 300,000 miles (400,000km), or Shell Rotella T6 Full Synthetic Heavy-Duty Engine Oil, up to 10 years or 500,000 miles (800,000km), whichever comes first Covers 10 heavy-duty diesel engine parts for do-it-yourself and installed customer oil changes Rotella T6 motor oil, (6-pack) is transferable up to 75,000 miles Some conditions apply

4. Rotella T6 Fully Synthetic Diesel Engine Oil 5W-40, 1 qt

Diesel Engine Oil, Series T6, Container Size 1 qt, Compatible Vehicle Type Cars, Light Duty Trucks, Base Formulation Synthetic, SAE Viscosity Grade 5W-40, Color Amber, Compatible Engine Type Diesel Engines, Container Type Bottle

Rotella T6 Fully Synthetic Diesel Engine Oil 5W-40, 1 qt Designed for heavy-duty diesel engines Features Shell exclusive Low-SAPS additive technology Enhanced fuel economy capability compared to 15W-40 oils Provides superior protection against harmful engine wear Resists breakdown by heat for continuous protection Advanced low-ash formulation helps maintain emission compliance Compatible with a variety of vehicles including cars and light-duty trucks

5. (6 pack) (6 Pack) Chevron Delo 400 XSP Synthetic 5W40 Motor Oil, 1 gal.

This Chevron Delo 400 XSP Synthetic 5W40 Motor Oil 1 gal is an outstanding choice for your vehicle. It's specifically formulated to reduce emissions and is designed to meet the 2007 and 2010 exhaust gas re-circulation standards. This synthetic motor oil meets those standards with diesel particulate filter and exhaust gas re-circulation/selective catalytic reduction with diesel particulate filter low-emission engines. It provides the highest level of performance in engines that were made before 2007. This formula utilizes viscosity index improvers to promote stable thickness and soot dispersion. This contributes to maximum vehicle utilization and minimal downtime. With its smooth texture, Chevron Delo 400 XSP Synthetic 5W40 Motor Oil 1 gal promotes consistent cold engine starting. It's fully compatible with previous engine models and previous American petroleum institute oil service categories.

Chevron Delo 400 XSP Synthetic 5W40 Motor Oil, 1 gal.: Designed to reduce emissions Meets 2007 and 2010 exhaust gas re-circulation standards Chevron delo motor oil is ideal for use in older engines Viscosity index improvers help ensure consistent thickness and soot dispersion Allows for consistent and reliable cold engine starting Fully compatible with previous engine models and previous American petroleum institute oil service categories Designed for use in diesel engines Offers outstanding Diesel Particulate Filter (DPF) life to minimize needed maintenance Protects cylinders, pistons, rings and valve train components from wear

6. (6 pack) (6 Pack) Pennzoil Platinum Euro 5W-40 Motor Oil, 1 qt

Protect your vehicle with this Pennzoil Platinum Euro SAE Synthetic Motor Oil. It is made from natural gas and designed for complete protection. With PurePlus technology, this 5W40 motor oil can be used in both passenger car gasoline and light-duty diesel applications. It's produced through a state of the art process that converts gas into liquid. This results in a crystal-clear fluid that has less of the impurities that are found in crude oil. Additives are then added to that crystal clear oil to help your engine perform at a high level, while providing wear protection and better fuel economy. This SAE 5W40 fully synthetic motor oil meets or exceeds the performance requirements of API SN/CF and ACEA A3/B3-10, A3/B4-10.

Pennzoil Platinum Euro SAE 5W-40 Full Synthetic Motor Oil, 1 quart: PurePlus Technology is our patented Revolutionary gas-to-liquid process, which converts natural gas into extremely high-quality, full-synthetic base oil Made from natural gas It is crystal-clear with fewer of the impurities found in crude oil From that pure, clear base we add our high-performance additives Motor oil designed for complete engine protection without compromise 5W40 fully synthetic oil deliver wear protection Helps improve fuel economy Helps engine perform better in extreme temperatures 1 quart

7. Valvoline European Vehicle Full Synthetic 5W-40 Motor Oil 1 QT

European engines need a premium motor oil designed to help them last. Valvoline European Vehicle Full Synthetic Motor Oil. It’s the motor oil specially developed to extend the life of European-made gasoline and diesel engines. Our exclusive formula uses top wear additives, premium antioxidants and added detergents to fight wear, resist oil breakdown and defend against deposits better than industry standards. Its exceptional range of temperature protection ensures your engine will be defended when the weather and road conditions get tough. This superior level of protection makes it the best choice for most Audi, BMW, Mercedes-Benz, Porsche, and VW vehicles. Engineered with ingenuity, tested with tenacity, and proven with purpose, our formula was innovated in America with a century and a half of hands-on experience from the original motor oil brand.

ADVANCED PROTECTION IN EUROPEAN VEHICLES against the four main causes of engine breakdown: wear friction heat and deposits EXTRA WEAR PROTECTION vs. industry and OEM standards with advanced anti-wear additives SUPERIOR PERFORMANCE FOR EUROPEAN gasoline and diesel engines EXCEPTIONAL HIGH/LOW TEMPERATURE PROTECTION defends your engine no matter the climate or driving conditions MEETS OR EXCEEDS ALL REQUIREMENTS of API SN, ACEA A3/B3, A3/B4, MB 229.5, 229.3, & 226.5, VW 50200/50500 & 50501, BMW LL-01 & LL-14FE+, Porche A40, Renault RN0700 & RN0710, PSA B71 2296, and Chrysler MS-12633/ MS-10725

8. Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40, 1 Gallon

Mobil 1 Turbo Diesel Truck 5W-40 is a full synthetic heavy duty diesel motor oil that helps to extend engine life while providing long drain capability and potential fuel economy benefits* for modern diesel engines operating in severe applications. Utilizes state-of-the-art technology to help deliver exceptional performance and is recommended for use in all super high-performance diesel applications, including modern low emission engine designs with Exhaust Gas Recirculation (EGR), as well as refrigerated units and well-maintained engines. This formula provides thermal and oxidative stability to help prevent high-temperature deposits and low-temperature sludge buildup. Its exceptional low temperature pumpability allows for easy engine start-up and helps to reduce wear. Mobil 1 Turbo Diesel Truck 5W-40 is recommended for use in a wide range of light-duty applications such as turbo diesel pick-up trucks, as well as heavy-duty applications and operating environments found in the on-road transport and off-road mining, construction, and agricultural industries. (*Compared to a 15W-40 conventional engine oil. Actual savings are dependent upon vehicle/engine type, outside temperature, driving conditions, and your current engine oil viscosity. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US.)

Mobil 1 Turbo Diesel Truck is designed for modern diesel truck engines, delivering long drain capability, exceptional performance, and potential fuel economy benefits* Meets or exceeds the demanding specifications of major truck manufacturers - one engine oil can be used for mixed fleet operations Recommended for use in all super high-performance diesel applications, including low emission engines Helps engines last longer by reducing low-temperature sludge buildup and high-temperature deposits Exceptional low temperature pumpability allows for easy engine start-up and helps to reduce wear

9. BeL-Ray 99150-B1LW BeL-Ray Exs Full Synth Ester 4t Engine Oil 5W-40 (1l)

Container Size: 1 L. Uses the finest quality synthetic hydrocarbon and ester base fluids. Also combined with unique extreme pressure, anti-wear additives and shear-resistant VI improvers. Meets the demands of high-performance applications. Reduced cylinder and ring wear. Longer bearing life. Cleans deposits. Controls sludge and varnish formation. Keeps ring lands and grooves free of carbon build-up. Wear control, drag reduction - low temperature starts, high temperature lubrication. The shear stability provides superior lubrication and film strength. Minimizes friction for maximum power. Prevents clutch grabbing for an easily controlled and efficient gear shifting and clutch operation.

BEL-RAY'sEXS Full Synthetic Ester4T Engine Oil uses the finest quality synthetic hydrocarbon and ester base fluids combined with unique anti-wear additives to meet the demands on high performance applications. Meets API SMand JASO MA2 performance standards Suitable for air or liquid-cooled 4-strokes and wet clutches Lowers engine operating temperatures Increases horsepower 1Liter (12 per case)

10. Bel-Ray EXS Ester Motor Oil 4 L / 1.05 G 4 L / 1.05 G #050889

Bel-Ray 99150B4LW Exs Full Synthetic Ester 4T Engine Oil 5W-40 4L Synthetic ester infused with Extreme Pressure (anti-wear additives) Lowers engine temperatures and increases horsepower Longest change intervals For air-cooled/liquid-cooled 4T engines with wet clutches API SM, JASO MA2

Uses the finest quality synthetic hydrocarbon and ester base fluids combined with unique extreme pressure, anti-wear additives and shear resistant VI improvers to meet the demands of high-performance applications Lowers engine temperatures and increases horsepower Meets the performance requirements of API SM and JASO MA2 Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches 5W-40 Four Liter