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AMSOIL 10W-30 100% Synthetic High-Mileage Motor Oil

Product code : HM1030QT-EA

5 star rating
Read 182 reviews
Read 182 reviews

  • Unique chemistry for vehicles with over 75,000 miles
  • Boosted detergent and dispersant package
  • Enhanced anti-wear additives
  • Reduced sludge by 67%,VV demonstrating cleaning power that helps engines last longer and perform better
  • Guaranteed Protection For 12,000 Miles/1-Year1
  • API Licensed

1Normal Service – Up to 12,000 miles or one year, whichever comes first, in personal vehicles not operating under severe service.

Product Overview

AMSOIL 10W-30 100% Synthetic High-Mileage Motor Oil



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Preventive maintenance that includes high-quality lubricants is key for keeping vehicles safe and dependable for the long haul. AMSOIL 100% Synthetic High-Mileage Motor Oil is designed specifically for the unique demands of high-mileage engines, helping extend the life of your vehicle. It delivers purpose-built protection at a time in your vehicle’s life where it could benefit from more-robust maintenance. It cleans and protects engines with boosted detergency and an additive package that fights oil breakdown and oil leaks.

See the Product Data Bulletin for full details.

ENGINE CLEANLINESS

  • Enhanced detergency to breathe new life into dirty engines.
  • Removes deposit buildup to help restore peak performance.

SLUDGE REDUCTION

AMSOIL 100% Synthetic High-Mileage Motor Oil reduced sludge by 67%, VV demonstrating its cleaning power that helps engines last longer and perform better.

  0 Hours 134 Hours 158 Hours 178 Hours Oil changed to AMSOIL 0W-20 High-Mileage Motor Oil 208 Hours 229 Hours 252 Hours 272 Hours
Total Engine Sludge Rating 0 1.85 2.25 3.12   1.9 1.44 1.4 1

VVBased on independent testing of AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil using a modified Sequence VH Test (ASTM D8256).

DEPOSIT REDUCTION

AMSOIL 100% Synthetic High-Mileage Motor Oil provides up to 62% better deposit prevention.WW1

  AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil Valvoline* Full Synthetic High Mileage with MaxLife* Technology 0W-20 Motor Oil Mobil 1* High Mileage 0W-20 Full Synthetic Motor Oil
Total Deposits (mg) 15.4 39.3 40.5

WW1Based on independent testing of AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil, Valvoline* Full Synthetic High-Mileage with MaxLife* Technology 0W-20 Motor Oil (batch codeJ2622C5 purchased December 21, 2022) and Mobil 1* High-Mileage 0W-20 Full Synthetic Motor Oil (batch code 11022L21A 6606 purchased December 8, 2022) in the industry-standard TEOST 33C Test (ASTM D6335) as required by the ILSAC GF-6 specification.
*All trademarked names are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

DURABLE VISCOSITY

  • Maintains proper film thickness in extreme operation.

OIL-CONSUMPTION CONTROL

  • Thermally stable across a wide range of temperatures.
  • Resists volatility and oil consumption.

LEAK PROTECTION

  • Conditions seals to help prevent leaks.

API LICENSED

  • Licensed by the American Petroleum Institute (API) to meet and exceed requirements commonly found in owner’s manuals.
Technical Specification

AMSOIL 10W-30 100% Synthetic High-Mileage Motor Oil

SDS

Data Bulletin

Warranty



Product Reviews

AMSOIL 10W-30 100% Synthetic High-Mileage Motor Oil

5 star rating
Based on 182 reviews
Based on 182 reviews
See all customer reviews
  • 5 star rating
    High mileage
    By  MICHAEL,  a  Verified Buyer  from  PENNSYLVANIA   on  March 25, 2025
    I have about 1000 miles on since my change to this oil , so far I love it I have gained 1 mpg total with normal driving!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Perfect Lubricant for my 2013 Buick Enclave
    By  GIOVANNI,  a  Verified Buyer  from  BadLands Alberta   on  March 23, 2025
    Perfect Lubricant for my 2013 Buick Enclave. I keep it in for a year usage. Can’t quite get 20k km in that time. Basically get just over 2 cycles on one charge of oil. Saves me money
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Engine smoothly running
    By  ISMAEL,  a  Verified Buyer  from  Pa  on  March 21, 2025
    Nice and quite with thos fluid.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Oil
    By  ANTONIO,  a  Verified Buyer  from  Texas  on  March 21, 2025
    Fast delivery and always the perfect amount of oil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    My 2016 Honda CRV ENGINE IS BACK!!
    By  MICHAEL,  a  Verified Buyer  from  Pennsylvania   on  March 17, 2025
    I had been using mobile 1 synthetic for every oil change and it kept burning oil and struggling with acceleration and power. Once i changed to amsoil even my wife came back to me and said “wow its so smooth and quiet dont have to push down the gas pedal as much to get up hills “ so grateful we found this!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great Oil
    By  FRITZ,  a  Verified Buyer  from  North Dakota  on  March 16, 2025
    Use this is our 2019 Ascent that has over 90k miles now. Runs great and stands up to the extreme cold we get up here.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    02/20/1961
    By  DENNY,  a  Verified Buyer  from  Lakeside-Marblehead  on  March 16, 2025
    All I use.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great Oil
    By  DOUG,  a  Verified Buyer  from  Franklinville, NY   on  March 08, 2025
    I just switched from the Signature Series to this High Mileage. Only have gone 1,000 miles and my mpg is 3 mag better than with other brands. My vehicle has 84,000 miles on it. Doesn't burn or leak any oil.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    01/19/1948
    By  MICHAEL,  a  Verified Buyer  from  Fort Worth  on  March 07, 2025
    I have always used Amsoil in both my vehicles. Would use nothing else.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Slows down oil consumption
    By  PHILIP,  a  Verified Buyer  on  March 05, 2025
    Got my cousin started on this oil for his wife’s higher mileage car. Oil consumption cut in half over a longer period
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?