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10 Best Stp High Mileage Oil 5w30 of 2025

Tested and Reviewed: Top 10 Stp High Mileage Oil 5w30 deals with expert ratings from 8.1 to a perfect 10

October 2025 Edition

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1

Editor's Choice

9.7

Save 38%

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

Valvoline

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

38% OffFree Shipping

Editor's bottom line:

“This stp high mileage oil 5w30 is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

MaxLife Technology prevents engine breakdown with 40% better wear protection than the industry standard
Includes seal conditioners to reduce oil consumption and oil leaks in high mileage engines.
Added detergents reduce sludge, corrosion, rust and deposits to help keep motors clean inside and ensure a smooth-running engine.
Advanced friction-fighting additives help maximize performance and improve fuel efficiency.
Meets or exceeds all requirements of ILSAC GF-6A, API SP, API SN with SN Plus, API SN
American made and formulated, from the Original Motor Oil brand trusted for more than 150 years

Picked by 262 people today

2

9.5

Save 10%

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

Castrol

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

10% OffFree Shipping

Main Highlights

Phosphorus Replacement Technology helps extend emission system life
Superior dispersancy that fights sludge build up
Exceptional oil burn-off protection exceeding industry standards* | Seal conditioners to help reduce leaks
Advanced additives that help prevent engine wear | Improved Fuel Economy**
Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | ILSAC GF-6 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A1 | * Based on API and ACEA volatility specifications | ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications

3

9.5

Save 5%

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

Castrol

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

5% OffFree Shipping

Main Highlights

Phosphorus Replacement Technology to help extend the life of the emission system
Reduces leaks, oil burnoff and power robbing deposits
15,000 miles between oil changes*
Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | ILSAC GF-6 | Meets engine test requirements of Chrysler MS 6395 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A3
*Or one year, whichever comes first

4

9.2

Mobil Full Synthetic High Mileage Motor Oil 5W-30, 1 Quart (6-pack)

Mobil

Mobil Full Synthetic High Mileage Motor Oil 5W-30, 1 Quart (6-pack)

Main Highlights

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

5

9.0

Valvoline Restore & Protect Full Synthetic 5W-30 Motor Oil 1 QT

Valvoline

Valvoline Restore & Protect Full Synthetic 5W-30 Motor Oil 1 QT

Main Highlights

The first motor oil to actively restore engine cleanliness and protect against future damage
With continuous use, Valvoline Active Clean Technology removes up to 100% of deposits while Liqui-Shield Technology helps prevent future deposits (*with regular oil changes. In Adapted Sequence IIIH Testing: Piston Deposit Removal)
79% stronger anti-wear protection than industry standards (vs. GF-6 qualified oil)
Minimizes friction between metal surfaces in your engine to help improve fuel economy
The best motor oil for any age vehicle, from your new cars first oil change to high-mileage vehicles
Meets or exceeds all requirements of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN, Resource Conserving, and all preceding API and ILSAC gasoline categories
American made and formulated, from the Original Motor Oil brand trusted for more than 150 years

6

8.8

Save 40%

Pennzoil High Mileage 5W-30 Motor Oil, 5 Quart

Pennzoil

Pennzoil High Mileage 5W-30 Motor Oil, 5 Quart

40% OffFree Shipping

Main Highlights

High Mileage 5W-30 synthetic blend engine oil specially formulated to help stop leaks and reduce oil consumption in worn engines
Recommended for vehicles with more than 75,000 miles
Helps prevent sludge and other damaging deposits
Proven wear protection for engine parts
Suitable for modern turbocharged engines where low-speed pre-ignition protection is required
Limited warranty coverage of up to 10 years or 300,000 miles* (whichever comes first)
Meets or exceeds the following industry requirements: API SP-Resource Conserving and all previous categories; ILSAC GF-6A
Meets or exceeds the following OEM specifications: Chrysler MS-6395; Ford WSS-M2C961-B1 and WSS-M2C961-A
For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual

7

8.6

Save 15%

Quaker State Motor Oil, 5W-30, 5 Quart

Quaker State

Quaker State Motor Oil, 5W-30, 5 Quart

15% OffFree Shipping

Main Highlights

5W-30 motor oil that provides durable wear protection and reduces engine wear
Helps engines survive daily commutes from high-speed highway operation to repetitive, stop-and-go driving
Provides corrosion protection against harmful acids generated by engine contaminants
Maintains viscosity from start to finish, providing optimal oil film protection
Combats engine sludge and deposits
Comes with a warranty of up to 10 years or 300,000 miles, whichever comes first*, when you exclusively use Quaker State motor oil
Meets or exceeds the following industry requirements: API SP-Resource Conserving and all previous categories; ILSAC GF-6A
Meets or exceeds the following OEM specifications: Chrysler MS-6395; Ford WSS-M2C961-A1
For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual

8

8.3

Save 8%

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

Mobil

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

8% OffFree Shipping

Main Highlights

Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.*
Utilizes Mobil 1s 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
Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
Helps extend engine life by working to prevent damaging deposits and sludge buildup

9

8.1

Castrol Gtx High Mileage 5W-30 Synthetic Blend Motor Oil, 1 Quart, Pack of 6

Castrol

Castrol Gtx High Mileage 5W-30 Synthetic Blend Motor Oil, 1 Quart, Pack of 6

Main Highlights

Phosphorus Replacement Technology helps extend emission system life
Superior dispersancy that fights sludge build up
Exceptional oil burn-off protection exceeding industry standards* | Seal conditioners to help reduce leaks
Advanced additives that help prevent engine wear | Improved Fuel Economy**
Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | ILSAC GF-6 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A1 | * Based on API and ACEA volatility specifications | ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications

10

8.1

Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-30, 1 Quart (6-pack)

Mobil

Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-30, 1 Quart (6-pack)

Main Highlights

Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.*
Utilizes Mobil 1s 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
Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
Helps extend engine life by working to prevent damaging deposits and sludge buildup

Our Best Overall Choice

9.7

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

Valvoline

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

38% OffFree Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

MaxLife Technology prevents engine breakdown with 40% better wear protection than the industry standard
Includes seal conditioners to reduce oil consumption and oil leaks in high mileage engines.
Added detergents reduce sludge, corrosion, rust and deposits to help keep motors clean inside and ensure a smooth-running engine.
Advanced friction-fighting additives help maximize performance and improve fuel efficiency.
Meets or exceeds all requirements of ILSAC GF-6A, API SP, API SN with SN Plus, API SN
American made and formulated, from the Original Motor Oil brand trusted for more than 150 years

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Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

Mobil Full Synthetic High Mileage Motor Oil 5W-30, 1 Quart (6-pack)

Mobil Full Synthetic High Mileage Motor Oil 5W-30, 1 Quart (6-pack)

Valvoline Restore & Protect Full Synthetic 5W-30 Motor Oil 1 QT

Valvoline Restore & Protect Full Synthetic 5W-30 Motor Oil 1 QT

Lucas Oil Synthetic Blend High Mileage SAE 5w-30 Motor Oil_ API SP 1 Quart (Pack of 1)

Lucas Oil Synthetic Blend High Mileage SAE 5w-30 Motor Oil_ API SP 1 Quart (Pack of 1)

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

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

Mobil Super (112906-6PK) High Mileage 5W-30 Motor Oil - 1 Quart, (Pack of 6)

Mobil Super (112906-6PK) High Mileage 5W-30 Motor Oil - 1 Quart, (Pack of 6)

K&N Motor Oil: 5W-30 Synthetic Engine Oil: Premium Protection, High Mileage, 5 Quarts

K&N Motor Oil: 5W-30 Synthetic Engine Oil: Premium Protection, High Mileage, 5 Quarts

Castrol GTX Full Synthetic High Mileage 5W-30 Motor Oil, 1 Quart, Pack of 6

Castrol GTX Full Synthetic High Mileage 5W-30 Motor Oil, 1 Quart, Pack of 6

Castrol GTX Full Synthetic High Mileage 5W-30 Motor Oil, 5 Quart, Pack of 3

Castrol GTX Full Synthetic High Mileage 5W-30 Motor Oil, 5 Quart, Pack of 3

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

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