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XL 10W-40 Synthetic Motor Oil

Product code : XLOQT-EA

5 star rating
Read 1,201 reviews
Read 1,201 reviews
See all customer reviews

  • 64% more protection against oil breakdown1 than required by the GM dexos1® Gen 2 specification, ensuring protection in extreme temperatures.
  • 100% protection against LSPI2—zero occurrences were recorded throughout five consecutive tests.
  • 25% more cleaning power3 to help keep your engine running smoother, longer.
  • Provides extended drain intervals up to 12,000 miles or one year.4
  • Excels in fuel-economy testing, earning the additional "Resource Conserving" designation5 from the API.

1Based on independent testing of AMSOIL XL 5W-30 motor oil in the GMOD engine test required for the GM dexos1 Gen2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL XL 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.
3vs. AMSOIL OE Motor Oil
4See reverse side for details.
5Applicable to XL 0W-20, 5W-20, 5W-30 and 10W-30 motor oil.
*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.

  • 64% more protection against oil breakdown1 than required by the GM dexos1® Gen 2 specification, ensuring protection in extreme temperatures.
  • 100% protection against LSPI2—zero occurrences were recorded throughout five consecutive tests.
  • 25% more cleaning power3 to help keep your engine running smoother, longer.
  • Provides extended drain intervals up to 12,000 miles or one year.4
  • Excels in fuel-economy testing, earning the additional "Resource Conserving" designation5 from the API.

1Based on independent testing of AMSOIL XL 5W-30 motor oil in the GMOD engine test required for the GM dexos1 Gen2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL XL 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.
3vs. AMSOIL OE Motor Oil
4See reverse side for details.
5Applicable to XL 0W-20, 5W-20, 5W-30 and 10W-30 motor oil.
*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.

Product Overview

XL 10W-40 Synthetic Motor Oil



AMSOIL XL Synthetic Motor Oil is the choice for those who want to do something extra for their vehicle. Its boosted formulation delivers extra cleaning power, outstanding wear control, excellent high- and low-temperature protection and exceptional fuel economy. XL is engineered for advanced automotive technology, including turbos and direct injection. It is packed with extra engine protection, allowing you to go up to 12,000-miles or one year, whichever comes first, between oil changes.

See the product data sheet for full details.

RESISTS OIL BREAKDOWN

  • Maintains viscosity under the most extreme conditions.
  • Reduces excessive oil consumption, engine deposits, accelerated wear and difficult cold starts.
  • Provides 64% more protection against oil breakdown1 than required by the GM dexos1® Gen 2 specification, ensuring protection in extreme temperatures.

GM Oxidation and Deposit (GMOD) Test

PROTECTS PISTONS FROM LOW-SPEED PRE-IGNITION

  • Features unique chemistry proven to protect your engine against harmful effects of low-speed pre-ignition (LSPI).
  • Achieved 100% protection against LSPI2 - zero occurrences were recorded throughout five consecutive tests.

KEEPS ENGINES CLEAN

  • Fortified with detergent and dispersant additives.
  • Provides 25% more cleaning power3 to help keep your engine running smoother, longer.
  • Boosted additive package effectively raises the total base number (TBN) to neutralize acids and resist sludge, corrosion and carbon deposits.

REDUCES MAINTAINENCE

  • Outstanding protection benefits motorists, business owners and fleet managers.
  • Extended-drain intervals reduce expensive, time-consuming and inconvenient oil changes.
  • Extended drain intervals up to 12,000 miles or one year,4 if you choose, allowing you to change oil on your schedule, reduce maintenance, save money and reduce waste oil.

MAXIMIZES FUEL ECONOMY & MAINTAINS LOW EMISSIONS

  • Licensed by the American Petroleum Institute (API) to meet and exceed requirements commonly found in owner’s manuals.
  • Excels in fuel-economy testing, earning the additional "Resource Conserving" designation5 from the API.
  • Friendly toward modern emissions control systems, promoting proper operation of catalytic converters for optimum service life and low exhaust emissions.

 

See the product data sheet for full details.

*All trademarked names and images 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. All products advertised here are developed by AMSOIL for use in the applications shown.
1Based on independent testing of AMSOIL XL 5W-30 motor oil in the GMOD engine test required for the GM dexos1 Gen2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL XL 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.
3vs. AMSOIL OE Motor Oil
4See reverse side for details.
5Applicable to XL 0W-20, 5W-20, 5W-30 and 10W-30 motor oil.
*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.
Technical Specification

XL 10W-40 Synthetic Motor Oil

Data Bulletin

Warranty

SDS



Product Reviews

XL 10W-40 Synthetic Motor Oil

5 star rating
Based on 1,201 reviews
Based on 1,201 reviews
See all customer reviews
  • 5 star rating
    Best for your EcoBoost!
    By  RUSSELL,  a  Verified Buyer  from  Tennessee  on  June 09, 2023
    Good quality oil is a must for maintaining your EcoBoost. Amsoil 5-30 Boosted Oil is formulated to do just that. High heat that turbos generate are tough on oil. Amsoil can take the heat and keep you rolling. 2018 Ecoboost Mustang with racing cams, NX2 turbo, racing downpipe and full bolt ons.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Run Quieter, Run Smoother
    By  Gary,  a  Verified Buyer  from  Flowery Branch, GA  on  June 07, 2023
    Both my Hondas use this, only change once a year according to the maintenance minder. Am totally sold on Amsoil products.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great oil, piece of mind your protected
    By  DEREK,  a  Verified Buyer  on  June 05, 2023
    I switched to this on my gladiator. I opted to go with the extra life oil since my last oil change kept getting pushed off. I have a little piece of mind knowing I can go a little longer between oil changes if needed. Jeep runs great with this oil in it
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Love this company & it's products!!
    By  PHILLIP,  a  Verified Buyer  from  Kingman, AZ  on  June 03, 2023
    This oil is head & shoulders above regular oils. My car blew the top radaitor hose far from civilization and the engine heated to 300 degrees and suffered no damage i can detect.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Oil change
    By  TOMMY,  a  Verified Buyer  from  Texas  on  May 29, 2023
    Been using amsoil in my motorcycle for years, never had any engine problems. Just started using it in my 2021 Ford F-250, previously was letting Ford change oil. Had to put a new engine in at 47000 miles. I figured that I would do my on oil change and use amsoil. I believe it will perform much better.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Smooth running
    By  ANDREW,  a  Verified Buyer  from  Arnprior, Ontario, Canada  on  May 18, 2023
    After changing the engine oil to Amsoil synthetic the engine seems to run smoother and is more responsive
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Works great
    By  Jcww001,  a  Verified Buyer  on  May 16, 2023
    Been using this in my 2015 silverado for 70k miles now. No issues with burning or leaking and no engine noise so it must be working
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 4 star rating
    confident
    By  DENNIS,  a  Verified Buyer  from  West Seneca,NY  on  May 14, 2023
    Feel good about changing oil every 10K miles or 1 year with this product. Never needs a top off in that range.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Awesome product
    By  RICKI,  a  Verified Buyer  on  May 14, 2023
    Nothing better than this oil.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great Oil for Mustangs
    By  JAY,  a  Verified Buyer  from  Looma  on  May 10, 2023
    Use early year in the Mustang. Well worth the money.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?