Customer Ratings & Reviews

I use the 5W-20 XL to do oil changes for my daughter's 2009 Kia Sedona. She bought is used a few years back and after she had the dealer do her first oil change and I noticed they were using a bulk 5W-30 I told her to let me take care of it. I have done one initial Amsoil Flush and am using the specified 5W-20 since. I use Signature Series in my cars, but I to give my daughter a break on price the XL series is a good option. I inspect the filter pleats and the detergency of this oil continues to clean this engine as I find carbon debris, but less with each oil change. Been using Amsoil since 2005!

I own a 2004 Mazda RX8 and this was my first time running a synthetic oil. After the oil change, car ran extremely smooth. The car idle smooth, vibrated less, an accelerated seamlessly through the RPMs. Great product worth the money.

Excellent performance. Smoth cold start. Love it

I have used Amsoil for 30+ years; diesel tractor/various cars, trucks, motorcycles, and boats. My 6th, current truck is a 2013 Ram, 90k miles; my 10th, current car is 2010 Lincoln MKX AWD 110K miles. My 13th and current motorcycle is a 2006 Victory 8 Ball, 38+k miles, and one trip cross county in summer of 2008. I have never had an oil related engine problem.

Love this product a lot I use it in my truck every oil change recommend highly

Great oil. 2019 4 Runner motor is smoother and much quieter after using this oil after factory oil change maintenance expired. Will be using to keep Toyota running for 300000 miles.

I have used this in my 2013 f150 and currently have 175,000 miles on it, still going strong!

I traded in my old truck last year with 305,000 miles on it. It had never drank anything but Amsoil oil. When the dealer came back after trying her out, He said "wow, It runs like a new truck." I don't think I can say much more. I run Amsoil in all my vehicles, even my motorcycle.

I have always ran Amsoil in my Harley and in my truck. Great price online and quick delivery. Amsoil has other great products besides oil too!

I've used this oil in my 2015 Sonata since it was new, and it keeps my engine protected mile after mile with great durability and lubrication qualities that you simply cannot get with other brands of oil. It's the best oil on the market, hands down.

My Dad was selling Amsoil in the early 1980 , so , i use it in my car since 1990 , i would feel guilty to not use it in my car lollllll.

Great oil . Change once a year.

Keeps my older van and car running like a charm. Lasts for a year just make sure to check oil levels.

Love the quality and ability to only have to change my oil once a year or so.