☰
Shop by Vehicle
Find AMSOIL Near You

Customer Ratings & Reviews

AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil

Product code : ASLQT-EA

5 star rating Read 6,861 reviews

Customer Rating

5

90% would recommend

  • 5 6677
  • 4 130
  • 3 24
  • 2 9
  • 1 21

AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil

5 star rating Based on 6,861 reviews
  • 5 star rating
    Great motor oil
    By  ROBERT,  a  Verified Buyer  from  Loveland, CO  on  July 30, 2023
    Really like this in my older Chevy truck to extend the life of my engine. Highly recommend.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Best oil
    By  LEO,  a  Verified Buyer  from  Florida   on  July 30, 2023
    It's the best oil that I've used I tried Mobil one and it's okay but after using Amsoil and looking at the color of both oil Amsoil was lighter than Mobil one after 5,000 miles on both it was the final decision for me Amsoil all the time.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    It's the best oil in the game
    By  JERRETT,  a  Verified Buyer  on  July 30, 2023
    I have been using the signature series almost 4 years on everything I own. Small engine, big engine, and the fuel storage. And it's never let me down in any way. Way past my expectations and more. I will continue to use these products forever
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Excellent oil menusing it for 15 years
    By  GREG,  a  Verified Buyer  from  Florida   on  July 30, 2023
    I've been a preferred customer for about 5, 6 years now been using Amsoil for 15 years All their products are great I use them in my Subarus used them in my Toyota's my Hondas and my son's Corvette They make very good products to stand behind every one of them very good products.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Awesome
    By  RAYMUNDO,  a  Verified Buyer  from  Thousand Palms   on  July 29, 2023
    Happy
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    D I Turbo motor anti blow up insurance!
    By  JOHN,  a  Verified Buyer  from  Free America  on  July 29, 2023
    I started using this oil due to the GDI turbo KIAs blowing up due to the silent knock/detonation inherent in the 2.0s. So far so bueno.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    synthetic oil
    By  Steve,  a  Verified Buyer  from  LANCASTER  on  July 29, 2023
    great product
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Best on market !!!
    By  JEFF,  a  Verified Buyer  on  July 28, 2023
    Car just purrs with this oil!!!!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    The BEST
    By  SGT MAJ JERRY,  a  Verified Buyer  from  Jacksonville, Florida  on  July 26, 2023
    Short & to the POINT. I have been using AMSOIL for over twenty years , its the BEST, I have 3 vehicles & its the only oil I USE. OUTSTANDING OIL !!! SgtMaj
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    high preformance
    By  Tony,  a  Verified Buyer  from  ontario  on  July 26, 2023
    great oil for the high out turbocharged mustangs
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great oil always use this in my Lincoln MKX
    By  MICHAEL,  a  Verified Buyer  from  SC  on  July 25, 2023
    I have been using signature in all my vehicles for awhile
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Excellent product
    By  TREVOR,  a  Verified Buyer  from  Nevada  on  July 25, 2023
    Excellent product. Superior quality compared to other brands. Only issue is that that the vehicle kit comes with 7 quarts, when my vehicle only requires 6 quarts. 2023 Bronco 2.7
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Best oil out there
    By  Ron,  a  Verified Buyer  from  Ohio  on  July 25, 2023
    I have used Amsoil for 15 years. I have tried them all. Ansoil extends my change intervals by over 2000 mile on each change ( according to the truck computer) the only oil I use
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Looking forward to 1 yr change interval
    By  BRIMSTONE,  a  Verified Buyer  from  Kitchener Ontario  on  July 25, 2023
    Changed in April 2023. Engine seems to run quieter. Had to use pan plug gasket over again as forgot to have one on hand. Developed drip from plug but no other leaks showed up.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Vehicles
    By  GARY L,  a  Verified Buyer  from  Richmond Ky   on  July 25, 2023
    I use in several vehicles presently and are seeing good results.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    2022 Kia Carnival
    By  GARY L,  a  Verified Buyer  on  July 25, 2023
    I am experiencing wonderful results with this oil in my new car
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    The best
    By  CHAD,  a  Verified Buyer  from  Illinois  on  July 25, 2023
    This is the best transmission fluid out there. Your trans will shift better and last longer.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    I used this 5w30 signature series to my Nissan Sentra 2012.
    By  HUNG,  a  Verified Buyer  from  Canada, Ontario.  on  July 25, 2023
    I had been used this oil for my Lexus Is250 2012. Also, for my Nissan Sentra 2012 model. There are no doubts about it, 5W30 signature series was and will always my picks. Thank you Amsoil !
    Was this review helpful?
  • 5 star rating
    Project Farms #1 Oil
    By  TRINTIN,  a  Verified Buyer  on  July 24, 2023
    This is Project Farms (Youtube) #1 oil for a reason! Great product in my opinion! Highly recommend Amsoil if you love your vehicle!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Only Oil I Use
    By  OZZIE,  a  Verified Buyer  from  West Palm Beach  on  July 24, 2023
    I started using this oil in 2019 and have never stopped using it. I love it and my vehicle loves it even more!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?

Choose your location

Delivery options and speeds may vary for different locations.

Log in to see your addresses