Top 10 Motor Oil 5w20 Full Synthetic High Mileage – Motor Oils

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1. Castrol

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5 Quart, Castrol 03143C Edge High Mileage 5W-20 Advanced Full Synthetic Motor Oil

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Castrol #ad - Reduces leaks, oil burn off and power-robbing deposits. Titanium strong for maximum engine performance in vehicles with over 75, 000 miles. Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown. Improves fuel economy. Maximizes short and long term engine performance on high mileage engines.
BrandCastrol #ad
ManufacturerCastrol #ad
Height12 Inches
Length4.57 Inches
Weight0 Pounds
Width9.61 Inches
Part Number03143C
Model03143C

2. Castrol

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5 Quart, Castrol 03100 GTX High Mileage 5W-20 Motor Oil

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Castrol #ad - Advanced additives That Help Prevent Engine Wear. 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.
BrandCastrol #ad
ManufacturerCastrol #ad
Part Number03100C
Model03100

3. Castrol

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5 Quart Jug, Castrol GTX Full Synthetic 5W-20 Motor Oil

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Castrol #ad - 1. 3x better sludge protection than industry standards. Castrol gtx full synthetic motor Oil provides maximum protection to help fight the impact of severe conditions that can potentially shorten engine life. Full synthetic formula provides thermal and oxidation stability with a superior level of protection against viscosity breakdown. Specifications: api sp/sn plus/sn, ilsac gf-6, meets Ford WSS-M2C947-B1. Castrol gtx full synthetic has been proven to dramatically reduce engine wear - 6X better than the industry standard.
BrandCastrol #ad
ManufacturerCastrol #ad
Part Number15E72E
Model15E72E
Warranty3 months

4. TRUEGARD

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55 Gallons Drum, TRUEGARD 5W-20 Motor Oil

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TRUEGARD #ad - Suitable for use where API SN is recommended for engine oils. Controls sludge and engine deposits. Engineered for high temperature and high revving performance engines. Provides fine performance for modern gasoline-powered cars,  light trucks and vans. Anti-wear additive reduces wear and extends life.
BrandTRUEGARD #ad
ManufacturerKeller-Heartt #ad
Part Number100116

5. Mobil 1

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Mobil 1-123840 Extended Performance High Mileage 5W-20; 5QT, Gray

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Mobil 1 #ad - Utilizes mobil 1’s triple action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power.

Meets ilsac gf-6 standards to help provide low-speed pre-ignition LSPI and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy. Helps extend engine life by working to prevent damaging deposits and sludge buildup. Provides excellent internal engine heat protection up to 500 degrees F and low temperature protection to -40 degrees F. Mobil 1 extended performance high mileage full-synthetic motor oil 5W-20 is designed for engines with over 75, 000 miles to go up to 20, 000 miles between oil changes. *.
BrandMobil 1 #ad
ManufacturerMobil 1 #ad
Height12.66 Inches
Length4.4 Inches
Width8.1 Inches
Part Number123840
ModelExtended Performance High Mileage
WarrantyLimited Warranty - Please contact manufacturer for full details

6. Pennzoil

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Pennzoil High Mileage Synthetic Blend 5W-20 Motor Oil for Vehicles Over 75K Miles 1-Quart, Case of 6

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Pennzoil #ad - Contains seal conditioning agents for dry or cracked engine seals to help reduce leaks and oil consumption. Provides proven wear protection for engine parts. Exceeds the requirements of the following industry specifications: API SP and all previous categories. Synthetic blend high mileage 5w-20 engine oil specially formulated for new or late model SUVs, light vans and trucks, and passenger cars. Case of six 1-quart bottles. Recommended for vehicles with over 75, 000 miles. Helps prevent sludge and other damaging deposits.
BrandPennzoil #ad
ManufacturerPennzoil #ad
Part Number550022818
Model550022818-6PK
WarrantyLimited Warranty

7. Valvoline

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Case of 6 Packaging May Vary, Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 5W-20 Motor Oil 1 QT

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Valvoline #ad - Reduce costly repairs by minimizing exhaust system damage with our fully synthetic formulation. 25% more protection against deposits than the industry standard with extra detergents, keeping your engine clean and sustaining its performance.

50% more wear protection than industry standard with enhanced anti-wear additives that prevent unwanted metal-on-metal contact and provide an extra layer of protection that keeps your engine in excellent shape for the many miles ahead. Renew aging seals and prevent leaks with state-of-the-art seal conditioners. Minimize heat and abrasion between moving parts help your high-mileage engine maintain its horsepower and perform its best for longer.
BrandValvoline #ad
ManufacturerValvoline #ad
Height9.25 Inches
Length13.13 Inches
Weight11.79 Pounds
Width5.75 Inches
Part Number849644
Model849644-CS

8. K&N

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K&N Motor Oil: 5W-20 Full Synthetic Engine Oil: Premium Protection, High Mileage, 4 Quarts

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K&N #ad - Advanced synthamax technology: Formulated with unique additives to help protect critical engine components. Premium full synthetic: K&N premium synthetic oil helps keep your engine running like new. Reduce wear & tear: K&N ultra synthetic engine oil offers premium engine protection. All weather protection: k&n advanced full synthetic motor oil helps your car run smooth in both cold & hot temperature conditions. Superior engine protection: Advanced formula full synthetic oil is formulated to minimize harmful contaminants and sludge buildup.
BrandK&N #ad
ManufacturerK&N Engineering, Inc. #ad
Height12.2 Inches
Length7.5 Inches
Width5 Inches
Part Number104096
Model104096
Warranty3 Months

9. Pennzoil

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Pennzoil Platinum High Mileage Full Synthetic 5W-30 Motor Oil for Vehicles Over 75K Miles 5-Quart, Single-Pack

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Pennzoil #ad - 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.

No other leading high mileage motor oil provides better protection from friction Based on Sequence IVA wear test using SAE 5W-30 . Full synthetic 5w-30 engine oil made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology. Designed for for vehicles with over 75, 000 miles. Pennzoil platinum high mileage 5w-30 keeps pistons up to 45% cleaner than the toughest industry standard Based on Sequence IIIH results.

Provides faster low-temperature oil flow and protects in extreme heat. Formulated to deliver less oil burn off than high mileage motor oils made from crude oil. Helps protect engines from loss of horsepower. Single 5-quart bottle with ergonomic design for easy handling and pouring.
BrandPennzoil #ad
ManufacturerPennzoil #ad
Part Number550045195
Model550045195
WarrantyLimited Warranty

10. Valvoline

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Valvoline High Mileage with MaxLife Technology SAE 5W-20 Synthetic Blend Motor Oil 5 QT, Case of 3

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Valvoline #ad - Reduce sludge, and rust with added detergents and anti-corrosion additives, DEPOSITS, CORROSION, sustaining your engine’s performance and preventing higher emissions. Enhanced friction performance helps maximize power with advanced friction-fighting agents that properly lubricate moving parts and help your older engine maintain its horsepower to perform its best for longer.

40% better wear protection than the industry standard with enhanced anti-wear additives, keeping critical engine components safe and preventing metal surfaces from making contact. Exceptional temperature protection no matter the weather with superior viscosity modifiers to ensure oil flows more easily, coats more completely, and resists thermal breakdown even in the fiercest driving conditions. Refresh aging seals and prevent leaks both inside and outside your engine with premium seal conditioners.
BrandValvoline #ad
ManufacturerValvoline #ad
Height12.66 Inches
Length8.22 Inches
Weight10.02 Pounds
Width4.6 Inches
Part Number881162-CS
Model881162