Best Synthetic Oil For High Mileage for 2023: Our Top 20 Picks

Sometimes it might be quite difficult to find the best synthetic oil for high mileage. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this synthetic oil for high mileage buying guide.

We Recommend:

#	Preview	Product
1		Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 5 Quart	Check Price
2		Castrol 03128C Edge High Mileage 5W-30 Advanced Full Synthetic Motor Oil, 5 Quart	Check Price
3		Mobil Full Synthetic High Mileage Motor Oil 5W-30, 5 Quart	Check Price
4		Valvoline Full Synthetic High Mileage 5W-30 Motor Oil 5 Quart	Check Price
5		Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts	Check Price
6		Castrol Edge High Mileage 10W-30 Advanced Full Synthetic Motor Oil, 5 Quarts	Check Price
7		Amazon Basics High Mileage Motor Oil - Full Synthetic - 5W-30 - 5 Quart	Check Price
8		Pennzoil High Mileage Synthetic Blend 5W-20 Motor Oil for Vehicles Over 75K Miles (5-Quart,...	Check Price
9		Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 10W-30 Motor Oil 5 QT, Case of 3	Check Price
10		Valvoline High Mileage with MaxLife Technology 5W-30 Synthetic Blend Motor Oil 5 Quart	Check Price
11		Pennzoil Platinum High Mileage Full Synthetic 5W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart,...	Check Price
12		Valvoline High Mileage 150K with Maxlife Plus Technology 5W-30 Motor Oil 5 Quart	Check Price
13		Royal Purple 11748 HMX SAE 5W-30 High-Mileage Synthetic Motor Oil - 5 Quart	Check Price
14		Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 0W-20 Motor Oil 5 QT, Case of 3	Check Price
15		Castrol EDGE High Mileage 0W-20 Advanced Full Synthetic Motor Oil, 5 Quarts	Check Price
16		Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts	Check Price
17		Castrol - 15A72F 60010 GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 6 Gallon Enviro-Pack	Check Price
18		Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quarts	Check Price
19		Valvoline High Mileage with MaxLife Technology 10W-30 Synthetic Blend Motor Oil 5 Quart	Check Price
20		Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 5W-20 Motor Oil 5 QT, Case of 3	Check Price

The 20 Best Synthetic Oil For High Mileage Reviews:

SaleBestseller No. 1

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

• 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.*
• Utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness
• 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
• Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
• Helps extend engine life by working to prevent damaging deposits and sludge buildup

Check Price

Bestseller No. 2

Castrol 03128C Edge High Mileage 5W-30 Advanced Full Synthetic Motor Oil, 5 Quart

• 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

Check Price

Bestseller No. 3

Mobil Full Synthetic High Mileage Motor Oil 5W-30, 5 Quart

• Mobil Full Synthetic High Mileage 5W-30 motor oil is designed for vehicles with over 75,000 miles, upgrading from a conventional or synthetic blend, or requiring full synthetic motor oil
• Provides guaranteed protection that's 1.5X longer than our conventional and synthetic blend oils, up to 7,500 miles between oil changes*
• Helps to prevent oil leaks, sludge, and deposit formation to help reduce engine wear with a balanced additive system formulation and extra seal conditioner
• Provides excellent resistance to oil breakdown, for proven long-lasting protection, and maintains oil viscosity at high operating temperatures
• Recommended for all types of gasoline-powered vehicles, including those with turbocharged engines, and meets API SP resource-conserving

Check Price

SaleBestseller No. 4

Valvoline Full Synthetic High Mileage 5W-30 Motor Oil 5 Quart

• ENHANCED MAXLIFE TECHNOLOGY PREVENTS engine breakdown in extreme conditions with 50% better wear protection than the industry standard
• TREAT AND PREVENT LEAKS with premium seal conditioners to keep oil out of places it shouldn’t be
• 25% EXTRA DEFENSE AGAINST DEPOSITS, sludge, corrosion and rust via interior-cleansing detergents
• EXTREME TEMPERATURE PROTECTION through our high-quality base oils and superior viscosity modifiers
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

Check Price

Bestseller No. 5

Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts

• Phosphorus Replacement Technology to help extend the life of the emission system
• Superior dispersancy that fights sludge build up
• Exceptional oil burn-off protection exceeding industry standards, based on API and ACEA volatility specifications
• Seal conditioners to help reduce leaks
• Advanced additives that minimize engine wear

Check Price

Bestseller No. 6

Castrol Edge High Mileage 10W-30 Advanced Full Synthetic Motor Oil, 5 Quarts

• Patented Phosphorus Replacement Technology to help extend the life of your emission system
• 10X better high temperature performance, as measured in Sequence IIIH engine test vs. API SP test limit
• 6X better wear protection, as measured in latest Sequence IVA engine test
• 1.4X better sludge protection, as measured in Sequence VH engine test vs. API SP test limit
• Meets ILSAC GF-6 to prevent low speed pre ignition (LSPI) and timing chain wear protection

Check Price

SaleBestseller No. 7

Amazon Basics High Mileage Motor Oil - Full Synthetic - 5W-30 - 5 Quart

• For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
• Ideal for engines over 75,000 miles and 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

Check Price

Bestseller No. 8

Pennzoil High Mileage Synthetic Blend 5W-20 Motor Oil for Vehicles Over 75K Miles (5-Quart, Single-Pack)

• Synthetic blend High Mileage 5W-20 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

Check Price

Bestseller No. 9

Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 10W-30 Motor Oil 5 QT, Case of 3

• ENHANCED MAXLIFE TECHNOLOGY PREVENTS engine breakdown in extreme conditions with 50% better wear protection than the industry standard
• TREAT AND PREVENT LEAKS with premium seal conditioners to keep oil out of places it shouldn’t be
• 25% EXTRA DEFENSE AGAINST DEPOSITS, sludge, corrosion and rust via interior-cleansing detergents
• EXTREME TEMPERATURE PROTECTION through our high-quality base oils and superior viscosity modifiers
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

Check Price

SaleBestseller No. 10

Valvoline High Mileage with MaxLife Technology 5W-30 Synthetic Blend Motor Oil 5 Quart

• MAXLIFE TECHNOLOGY PREVENTS engine breakdown with 40% better wear protection than the industry standard
• REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
• REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents – keep motors clean inside
• ENHANCED FRICTION PERFORMANCE HELPS MAXIMIZE POWER with advanced friction-fighting agents
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

Check Price

Bestseller No. 11

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

• 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)
• 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

Check Price

Bestseller No. 12

Valvoline High Mileage 150K with Maxlife Plus Technology 5W-30 Motor Oil 5 Quart

• MAXLIFE PLUS TECHNOLOGY WITH MOLY ADDITIVE PROTECTION prevents engine breakdown.
• FORMULATED TO REDUCE OIL CONSUMPTION in older high mileage engines
• MULTI-DIMENSIONAL ANTI-WEAR SYSTEM fights surface friction exceeding protection standards
• REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

Check Price

Bestseller No. 13

Royal Purple 11748 HMX SAE 5W-30 High-Mileage Synthetic Motor Oil - 5 Quart

• Specifically Designed To Minimize Wear And Restore Lost Performance In Engines With More Than 75,000 Miles
• Formulated With Robust Zinc/Phosphorus Anti-Wear Compounds Combined With Royal Purple'S Proprietary Additive Technology
• Hmx Is Chemically Enhanced To Revitalize Hardened Seals, Reducing Oil Consumption Common In High-Mileage Engines
• Reduces Friction And Metal-To-Metal Contact For Peak Engine Performance

Check Price

Bestseller No. 14

Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 0W-20 Motor Oil 5 QT, Case of 3

• ENHANCED MAXLIFE TECHNOLOGY PREVENTS engine breakdown in extreme conditions with 50% better wear protection than the industry standard
• TREAT AND PREVENT LEAKS with premium seal conditioners to keep oil out of places it shouldn’t be
• 25% EXTRA DEFENSE AGAINST DEPOSITS, sludge, corrosion and rust via interior-cleansing detergents
• EXTREME TEMPERATURE PROTECTION through our high-quality base oils and superior viscosity modifiers
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

Check Price

Bestseller No. 15

Castrol EDGE High Mileage 0W-20 Advanced Full Synthetic Motor Oil, 5 Quarts

• Patented Phosphorus Replacement Technology to help extend the life of your emission system
• 10X better high temperature performance, as measured in Sequence IIIH engine test vs. API SP test limit
• 6X better wear protection, as measured in latest Sequence IVA engine test
• 1.4X better sludge protection, as measured in Sequence VH engine test vs. API SP test limit
• Meets ILSAC GF-6 to prevent low speed pre ignition (LSPI) and timing chain wear protection

Check Price

SaleBestseller No. 16

Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts

• Phosphorus Replacement Technology to help extend the life of the emission system
• Superior dispersancy that fights sludge build up
• Exceptional oil burn-off protection exceeding industry standards, based on API and ACEA volatility specifications
• Seal conditioners to help reduce leaks
• Advanced additives that minimize engine wear

Check Price

Bestseller No. 17

Castrol - 15A72F 60010 GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 6 Gallon Enviro-Pack

• Superior detergency that helps prevent deposit build-up
• Superior oil burn-off protection versus leading conventional oils
• Seal conditioners help reduce leaks
• Advanced additives that help prevent engine wear
• Exceeds ILSAC GF-5 and API SN standards

Check Price

SaleBestseller No. 18

Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quarts

• Phosphorus Replacement Technology to help extend the life of the emission system
• Superior dispersancy that fights sludge build up
• Exceptional oil burn-off protection exceeding industry standards, based on API and ACEA volatility specifications
• Seal conditioners to help reduce leaks
• Advanced additives that minimize engine wear

Check Price

SaleBestseller No. 19

Valvoline High Mileage with MaxLife Technology 10W-30 Synthetic Blend Motor Oil 5 Quart

• MAXLIFE TECHNOLOGY PREVENTS engine breakdown with 40% better wear protection than the industry standard
• REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
• REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents – keep motors clean inside
• ENHANCED FRICTION PERFORMANCE HELPS MAXIMIZE POWER with advanced friction-fighting agents
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

Check Price

Bestseller No. 20

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

• ENHANCED MAXLIFE TECHNOLOGY PREVENTS engine breakdown in extreme conditions with 50% better wear protection than the industry standard
• TREAT AND PREVENT LEAKS with premium seal conditioners to keep oil out of places it shouldn’t be
• 25% EXTRA DEFENSE AGAINST DEPOSITS, sludge, corrosion and rust via interior-cleansing detergents
• EXTREME TEMPERATURE PROTECTION through our high-quality base oils and superior viscosity modifiers
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

Check Price

Last update on 2023-06-05 / Affiliate links / Images from Amazon Product Advertising API

How to find the best synthetic oil for high mileage?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best synthetic oil for high mileage for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good synthetic oil for high mileage recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the synthetic oil for high mileage need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for synthetic oil for high mileage to find what you’re looking for:

Brand

In some cases, the brand of synthetic oil for high mileage is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given synthetic oil for high mileage are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about synthetic oil for high mileage are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare synthetic oil for high mileage quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best synthetic oil for high mileage can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.