Customer Ratings & Reviews

Been using for 14 years and always delivered on time .

When I bought my new to me 2008 Honda Element EX, it had 165,000 miles. The owner described vtec problems and 'the code'. I changed the screen behind the solenoid valve and at the same time switched to Amsoil Signature Series 5w-20 and filter. Since then the vtec issues haven't come back even though the oil change intervals have been 15k yearly. Now at 256,000 miles it still runs great!

Been Running 5w50 Signature since my second oil change. Previously ran Motorcraft 5w50 synthetic but it dropped out of grade between changes. Both Whipple and Ford require 5w50 in supercharged 5.0 platforms. This is a daily driver with short trips on weekdays. Oil analyzed at every change with very low wear metals. Change oil and filter @ 5K, this oil stays in grade.

Seems like very good oil. I have read several engineer evaluations of this oil, and all show very good results. I will be using this oil for the duration of my ownership of the vehicle.

Oil was fine, but the multiple containers seems a bit redundant.

Switched to this oil from Pennzoil and I won't ever run anything different. Great oil.

I've been using Amsoil signature series for quite sometime. Nothing close to the quality and performance of Amsoil.

I prefer the Signature 0w20 oil in my 2020 Honda Accord Hybrid and my son’s 2022 Honda Odyssey since both vehicles often take very short trips in the Autumn and Winter. I’m confident the engines are getting the best possible protection.

Great oil for high mileage vehicles

Superior oil for my high mileage truck

Good reviews according to the internet for 5W30 full synthetic motor oil

I drive cross country in a cargo van this oil works great for long intervals between oil changes

Best oil in the buisness. All 8 of my vehicle run amsoil for the protection and peace of mind.

best oil ever hands down

I have tried several other oils from all the top brands available. Hemi engines are well known for knocks and ticks. If you want to eliminate those issues. Use AMSOIL. 100% best engine oil on the market. Eliminates all of the engine noises and definitely outperforms all other oil competitors.

I’ve used other brand oils on the vehicle and what happens is after 1,000 miles I have to add about a quart. I use this product and it delivers protection needed that after 2,000 miles I only need to top off 1/4. It’s good stuff, order your oil today.

This is the best oil you can put in your mustang, V8, v6, ecoboost doesn't matter. The premium oil holds up for so long and you dont feel that horsepower loss when your oil tends to break down. This oil is the best. I've used it in motosports and now my daily mustang.

After the first freebie oil change, I switched to the Signature Series! I change the oil and filter when the algorithm hits 50%.

Have been using it im my 24 RDX past 20k Im still changing oil every 5k with amsoil filter. I cant feel much of difference, switching from mobil1, but the plan is to keep on doing it for rest of the life of the car. And i will see down the road, whem my car reaches 200k plus or more , if it is really protected my engine and turbo, as AMSOIL stated. Not to mention 5k changes, and not 10 or 20

We have been using Amsoil for many years now. I feel more confident than ever using it with the problems newer endings are having that Amsoil provides superior lubricants. We I have been very happy with the signature series line. We also use Amsoil in the transmission and transfer case and differential. We would rather spend extra on oil and repairs. Best of luck.