About this item

• Product Overview
  Compare Motor Oil

  Compare Motor Oil

  

  	Signature Series	Extended-Life (XL)	High-Mileage	Hybrid	OE
  Wear Protection
  Engine Cleanliness
  Service Interval
  Extreme Temp Performance
  Corrosion Protection
  Oil-Consumption Control
  Viscosity Control
  Leak Protection
  Severe-Service Protection

  View Full Image

  Engineered for enthusiasts seeking maximum protection and performance. Precision-formulated with cutting-edge technology and a longstanding devotion to making the world’s best motor oil. The result: engine protection that blows the doors off the highest industry standards.

  See the Product Data Bulletin for full details.

• Technical Specifications
  Data Bulletin

  Data Bulletins

  Warranty

  WARRANTY

  SDS

  SDS

  
  
  
• Product Reviews
  5 star rating

  Based on 7,122 reviews

  Based on 7,122 reviews

  See all customer reviews

  Sort by

  Most Recent Most Helpful Highest Rating Lowest Rating Oldest

  • 5 star rating
    Amsoil Superior lubricating
    By  DAVID,  a  Verified Buyer  from  Florida  on  September 21, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    I’ve used Amsoil for many years in my cars, my lawn equipment, Motorcycles with superb results, never any issues. The only thing that I wish they would do was give me free shipping for as much money as I pay for the product.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Best in the Business
    By  SETH,  a  Verified Buyer  on  September 21, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    I use amsoil products in everything I can. Superior in every way that I’ve seen. If I purchase a vehicle the first thing I do is replace every oil it has with amsoil and it has been phenomenal. I recommend it to anyone that will listen and haven’t heard a single person regret going with Amsoil.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Perfect
    By  JON,  a  Verified Buyer  on  September 21, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Love this stuff.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Keeps my 2009 Lexus running like new 👍🏼
    By  ALFREDO,  a  Verified Buyer  on  September 20, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Keeps my 2009 Lexus running like new
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Ram 2500 Hemi
    By  LARRY,  a  Verified Buyer  from  CA  on  September 20, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Approximately 1,200 miles driven since I switched to the AMSOIL Signature 0W 40 Oil. I notice a smoother start up. A smoother running engine. A substantial increase in performance. I will definitely start running AMSOIL products in my other vehicles.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great Oul for GDI Engine
    By  CRAIG,  a  Verified Buyer  from  Louisville  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Great oil. All I use on my Kia Telluride.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Used in my new land cruiser
    By  JAMES,  a  Verified Buyer  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Runs cool
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great product
    By  ELLIOTT,  a  Verified Buyer  from  SC  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Top Tier product
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Superior Engine Oil
    By  PETE,  a  Verified Buyer  from  Boston, MA  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    I am very happy with Amsoil products. Quieter morning start. Overall super happy with my engine performance.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    👍🏼
    By  BILL,  a  Verified Buyer  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    👍🏼
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)

• Highlights

  A New Level of Motor Oil Technology

  • 75% more engine protection against horsepower loss and wear.¹
  • 50% more cleaning power vs. AMSOIL OE Motor Oil
  • Protects turbochargers 72% better than required² by the GM dexos1 Gen 2 specification.
  • 28% more acid-neutralizing power than Mobil 1.³
  • Trusted by professional engine builders
  • Guaranteed protection for up to 25,000 miles or 1 year

  ¹Based on independent testing of AMSOIL Signature Series 0W-20 using the ASTM D6891 standard test.
  ²Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test.
  ³Based upon independent testing of Mobil 1 Annual Protection Full Synthetic 5W-30 and AMSOIL Signature Series 5W-30 in ASTM D2896. Oils purchased in July 2020.

• Returns

  We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.

• Payments

  We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.

• Product Overview
  Compare Motor Oil

  Compare Motor Oil

  

  	Signature Series	Extended-Life (XL)	High-Mileage	Hybrid	OE
  Wear Protection
  Engine Cleanliness
  Service Interval
  Extreme Temp Performance
  Corrosion Protection
  Oil-Consumption Control
  Viscosity Control
  Leak Protection
  Severe-Service Protection

  View Full Image

  Engineered for enthusiasts seeking maximum protection and performance. Precision-formulated with cutting-edge technology and a longstanding devotion to making the world’s best motor oil. The result: engine protection that blows the doors off the highest industry standards.

  See the Product Data Bulletin for full details.

• Technical Specifications
  Data Bulletin

  Data Bulletins

  Warranty

  WARRANTY

  SDS

  SDS

  
  
  
• Product Reviews
  5 star rating

  Based on 7,122 reviews

  Based on 7,122 reviews

  See all customer reviews

  Sort by

  Most Recent Most Helpful Highest Rating Lowest Rating Oldest

  • 5 star rating
    Amsoil Superior lubricating
    By  DAVID,  a  Verified Buyer  from  Florida  on  September 21, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    I’ve used Amsoil for many years in my cars, my lawn equipment, Motorcycles with superb results, never any issues. The only thing that I wish they would do was give me free shipping for as much money as I pay for the product.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Best in the Business
    By  SETH,  a  Verified Buyer  on  September 21, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    I use amsoil products in everything I can. Superior in every way that I’ve seen. If I purchase a vehicle the first thing I do is replace every oil it has with amsoil and it has been phenomenal. I recommend it to anyone that will listen and haven’t heard a single person regret going with Amsoil.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Perfect
    By  JON,  a  Verified Buyer  on  September 21, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Love this stuff.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Keeps my 2009 Lexus running like new 👍🏼
    By  ALFREDO,  a  Verified Buyer  on  September 20, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Keeps my 2009 Lexus running like new
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Ram 2500 Hemi
    By  LARRY,  a  Verified Buyer  from  CA  on  September 20, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Approximately 1,200 miles driven since I switched to the AMSOIL Signature 0W 40 Oil. I notice a smoother start up. A smoother running engine. A substantial increase in performance. I will definitely start running AMSOIL products in my other vehicles.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great Oul for GDI Engine
    By  CRAIG,  a  Verified Buyer  from  Louisville  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Great oil. All I use on my Kia Telluride.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Used in my new land cruiser
    By  JAMES,  a  Verified Buyer  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Runs cool
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great product
    By  ELLIOTT,  a  Verified Buyer  from  SC  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Top Tier product
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Superior Engine Oil
    By  PETE,  a  Verified Buyer  from  Boston, MA  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    I am very happy with Amsoil products. Quieter morning start. Overall super happy with my engine performance.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    👍🏼
    By  BILL,  a  Verified Buyer  on  September 19, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    👍🏼
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)