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AMSOIL Extended-Life 10W-30 100% Synthetic Motor Oil

Product code : XLTQT-EA

5 star rating
Read 1,345 reviews
Read 1,345 reviews

  • 37% more cleaning power1 to help keep your engine running smoother, longer.
  • Protects against LSPI
  • 20,000 miles of guaranteed protection between changes2

1Compared to AMSOIL OE Synthetic Motor Oil.
2Normal Service – Up to 20,000 miles (32,000 km) or one year, whichever comes first, in personal vehicles not operating under severe service.

Product Overview

AMSOIL Extended-Life 10W-30 100% Synthetic Motor Oil



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AMSOIL Extended-Life 100% Synthetic Motor Oil is overbuilt for road warriors so you can confidently drive up to 20,000 miles or one year,2 whichever comes first, between oil changes. A proprietary combination of advanced synthetic base oils and a boosted additive package promotes cleanliness and prolonged engine life. AMSOIL Extended-Life protection delivers peace of mind and convenience.

See the Product Data Bulletin 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.

PROTECTS PISTONS FROM LOW-SPEED PRE-IGNITION

  • Features unique chemistry proven to protect your engine against harmful effects of low-speed pre-ignition (LSPI).

KEEPS ENGINES CLEAN

  • Fortified with detergent and dispersant additives.
  • Boosted additive package effectively neutralizes acids and resists 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 20,000 miles or one year,2 if you choose, allowing you to change oil on your schedule, reduce maintenance, save money and reduce waste oil.
Technical Specification

AMSOIL Extended-Life 10W-30 100% Synthetic Motor Oil

Data Bulletin

Warranty

SDS



Product Reviews

AMSOIL Extended-Life 10W-30 100% Synthetic Motor Oil

5 star rating
Based on 1,345 reviews
Based on 1,345 reviews
See all customer reviews
  • 5 star rating
    Great oul
    By  ERIC,  a  Verified Buyer  from  Tampa  on  January 16, 2025
    Excellent oil. Engine is running noticeably smoother.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Always great Oil
    By  ANDREW,  a  Verified Buyer  from  West Virginia  on  January 06, 2025
    I have been using Amsoil for many years in my cars and motorcycles. It always is a great product.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Best of the Best
    By  MICHAEL,  a  Verified Buyer  from  Fort Worth, Texas  on  January 02, 2025
    I have used Amsoil for years and would not revert to conventional oil.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great Product
    By  TRayl,  a  Verified Buyer  on  December 30, 2024
    I've been using this oil to fix my wife's engine that the dealer said had alot of sludge in it...I've had to change my oil more frequently than I would have liked but I can truly tell the change in the way the vehicle runs
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 4 star rating
    I trust you
    By  ANDRII,  a  Verified Buyer  from  Enchant   on  December 29, 2024
    I am just learning about Amsoil brand products. Which ones would be suitable for my small business? I am hoping for a high level of quality of the Amsoil brand. So far these oils are suitable for me and I hope that my cars will be fine with Amsoil products.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    oil review
    By  BILL,  a  Verified Buyer  on  December 28, 2024
    Great oil would strongly recommend.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 4 star rating
    Ford Five Hundred
    By  KEN,  a  Verified Buyer  from  Interlake   on  December 25, 2024
    Used XL 5/20 in my parents car since new , 290 km and the oil is just as clean after 10k as it is when it goes in. Engine runs perfectly without any issues. Very good product. Well worth the money.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    The only oil I use
    By  Bumppo,  a  Verified Buyer  on  December 02, 2024
    This is the only oil I use in my wife’s Mazda. So far it’s been great and the car runs like a champ.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    2020 F350 7.3 Godzilla 🦖
    By  BRIAN,  a  Verified Buyer  from  Kentucky   on  December 01, 2024
    I’ve always ran,Amsoil in my diesel went to a gas truck this time. Very impressive product waiting on to see the results from Blackstone now I’ve changed from the synthetic blend that was used prior in the truck.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil change Amsoil
    By  LAWRENCE,  a  Verified Buyer  from  Edison New Jerseys   on  November 24, 2024
    Great oil,have used for years and the only oil I use for my truck and cars.The best money can buy.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?