Top 10 High Mileage Synthetic Oils
for May 2022

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.6
SCORE
Castrol 03143C Edge High Mileage 5W-20 Advanced Full Synthetic Motor Oil, 5 Quart

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

5 Quart

by Castrol
What We like

Improves fuel economy

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Product Features

  • Titanium strong for maximum engine performance in vehicles with over 75,000 miles
  • Reduces leaks, oil burn off and power-robbing deposits
  • 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

Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown Maximizes short and long term engine performance on high mileage engines Reduces leaks, oil burn off and power-robbing deposits Titanium strong for maximum engine performance in vehicles with over 75,000 miles

2
9.5
SCORE
Amazon Basics High Mileage Motor Oil, Full Synthetic, SN Plus, dexos1-Gen2, 5W-30, Quart Size, Pack of 6

Amazon Basics High Mileage Motor Oil

Full Synthetic, SN Plus, dexos1-Gen2, 5W-30, Quart Size, Pack of 6

by Amazon Basics
What We like

Ideal for engines over 75,000 miles and for longer drain intervals

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Product Features

  • Reduces friction for less engine wear
  • High resistance to viscosity and thermal breakdown
  • Helps reduce exhaust emissions
  • For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
  • Helps prevent build up that can cause rust and corrosion

For best performance, follow the manufacturer's recommendations in your vehicle owners manual. Reduces friction for less engine wear High resistance to viscosity and thermal breakdown Helps prevent build up that can cause rust and corrosion Helps reduce exhaust emissions

3
9.2
SCORE
Pennzoil High Mileage Synthetic Blend 5W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart, Single-Pack)

Pennzoil High Mileage Synthetic Blend 5W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart

Single-Pack)

by Pennzoil
What We like

Single 5-quart bottle with ergonomic design for easy handling and pouring

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Product Features

  • Exceeds the requirements of the following industry specifications: API SP and all previous categories
  • Recommended for vehicles with over 75,000 miles
  • Helps prevent sludge and other damaging deposits
  • Provides proven wear protection for engine parts
  • Contains seal conditioning agents for dry or cracked engine seals to help reduce leaks and oil consumption

Helps prevent sludge and other damaging deposits Provides proven wear protection for engine parts Recommended for vehicles with over 75,000 miles Synthetic blend high mileage 5w-30 engine oil specially formulated for new or late model suvs, light vans and trucks, and passenger cars Exceeds the requirements of the following industry specifications: api sp and all previous categories Contains seal conditioning agents for dry or cracked engine seals to help reduce leaks and oil consumption

4
9
SCORE
Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 0W-20 Motor Oil 5 QT (Packaging May Vary)

Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 0W-20 Motor Oil 5 QT (Packaging May Vary)

by Valvoline
What We like

RENEW AGING SEALS AND PREVENT LEAKS with state-of-the-art seal conditioners

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Product Features

  • MINIMIZE HEAT AND ABRASION between moving parts help your high-mileage engine maintain its horsepower and perform its best for longer
  • 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

Minimize heat and abrasion between moving parts help your high-mileage engine maintain its horsepower and perform its best for longer 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

5
8.6
SCORE
Castrol 03111C GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quart

Castrol 03111C GTX High Mileage 10W-40 Synthetic Blend Motor Oil

5 Quart

by Castrol
What We like

Exceeds ILSAC GF-5, API SN

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Product Features

  • Seal conditioners help reduce leaks; Bottle Color: Green
  • Advanced additives that help prevent engine wear
  • Superior oil burn off protection versus leading conventional oils
  • Superior detergency that helps prevent deposit build up

Seal conditioners help reduce leaks; bottle color: green Superior oil burn off protection versus leading conventional oils Advanced additives that help prevent engine wear Superior detergency that helps prevent deposit build up

6
8.5
SCORE
Pennzoil Platinum High Mileage Full Synthetic 5W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart, Single-Pack)

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

Single-Pack)

by Pennzoil
What We like

Single 5-quart bottle with ergonomic design for easy handling and pouring

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Product Features

  • Provides faster low-temperature oil flow and protects in extreme heat
  • Pennzoil is the first motor oil made from natural gas, not crudePurePlus 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
  • Helps protect engines from loss of horsepower
  • No other leading high mileage motor oil provides better protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
  • Formulated to deliver less oil burn off than high mileage motor oils made from crude oil

No other leading high mileage motor oil provides better protection from friction (based on sequence iva wear test using sae 5w-30) Provides faster low-temperature oil flow and protects in extreme heat Pennzoil is the first motor oil made from natural gas, not crudepureplus 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 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) Helps protect engines from loss of horsepower Formulated to deliver less oil burn off than high mileage motor oils made from crude oil Full synthetic 5w-30 engine oil made from natural gas, not crude, using Pennzoil's patented gas-to-liquid pureplus technology

7
7.5
SCORE
Castrol 03129C Edge High Mileage 10W-30 Advanced Full Synthetic Motor Oil, Black, 5 Quart

Castrol 03129C Edge High Mileage 10W-30 Advanced Full Synthetic Motor Oil

Black, 5 Quart

by Castrol
What We like

Improves fuel economy

more infoarrow_drop_down

Product Features

  • Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown
  • Maximizes short and long term engine performance on high mileage engines
  • 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 Maximizes short and long term engine performance on high mileage engines Reduces leaks, oil burn off and power-robbing deposits Titanium strong for maximum engine performance in vehicles with over 75,000 miles

8
7
SCORE
Valvoline High Mileage with MaxLife Technology SAE 10W-30 Synthetic Blend Motor Oil 5 QT (Packaging May Vary)

Valvoline High Mileage with MaxLife Technology SAE 10W-30 Synthetic Blend Motor Oil 5 QT (Packaging May Vary)

by Valvoline
What We like

REFRESH AGING SEALS AND PREVENT LEAKS both inside and outside your engine with premium seal conditioners

more infoarrow_drop_down

Product Features

  • 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
  • REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents and anti-corrosion additives, sustaining your engines performance and preventing higher emissions
  • 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

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 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 Reduce sludge, deposits, corrosion, and rust with added detergents and anti-corrosion additives, sustaining your engines performance and preventing higher emissions

9
7
SCORE
Valvoline High Mileage with MaxLife Technology SAE 10W-30 Synthetic Blend Motor Oil 1 QT, Case of 6 (Packaging May Vary)

Valvoline High Mileage with MaxLife Technology SAE 10W-30 Synthetic Blend Motor Oil 1 QT

Case of 6 (Packaging May Vary)

by Valvoline
What We like

REFRESH AGING SEALS AND PREVENT LEAKS both inside and outside your engine with premium seal conditioners

more infoarrow_drop_down

Product Features

  • 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
  • REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents and anti-corrosion additives, sustaining your engines 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

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 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 Reduce sludge, deposits, corrosion, and rust with added detergents and anti-corrosion additives, sustaining your engines performance and preventing higher emissions

10
7
SCORE
Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 6-Pack of 1 quarts

Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30

6-Pack of 1 quarts

by Mobil 1
What We like

Provides excellent internal engine heat protection (up to 500 degrees F) and low temperatures (to -40 degrees F)

more infoarrow_drop_down

Product Features

  • 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 High Mileage full synthetic motor oil 5W-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) and timing chain wear protection while keeping your engine clean and helping your fuel economy

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 your fuel economy Helps to protect your engine from the five factors that can damage engines over time Mobil 1 high mileage full synthetic motor oil 5w-30 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes* Helps extend engine life by working to prevent damaging deposits and sludge buildup

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