Amsoil vs Mobil 1

Amsoil vs Mobil 1 250 x 170Amsoil vs Mobil 1.   Have you ever wondered what sets Amsoil apart from Mobil 1?  I decided to go to an automotive department store and investigate their motor oils. Out of curiosity I picked up a brand name oil and looked on the back of the quart bottle to see how often it recommended changing your oil. To my surprise, there was no set mileage on the bottle.


I proceeded to look at the back of every bottle in the aisle. After looking at all the supposedly best oils, none had the mileage anywhere on the bottle when to change your oil…except two. Amsoil & Mobil 1.

Amsoil vs Mobil 1

Mobil 1 synthetic oil…good for 15,000 miles…guaranteed. Amsoil Signature Series synthetic oil …good for 25,000 miles guaranteed. For almost 40 years…Amsoil has pioneered the 25,000-mile oil change. 

*Note* Mobil 1 came out with their Annual Protection motor oil good for 20,000 miles and oil filters to match…spring of 2017.

They tried this way back in…I believe 1984 with a 25,000 oil or once a year oil change and a few years later went back to the 15,000-mile oil change.

One important rating of an oil is the “Total Base Number.” Mobil 1 has for some reason decided not to show that number on their datasheet for the Annual Protection oil.

This study was done in June 2013. Oils have not changed that much since then…although some have most likely improved as Amsoil has to meet the newer car company’s guidelines. You be the judge.

And if that seems like too old of a study and you really want to “cut to the chase” then click onto my930,000 Mile Engine Teardown Brochureand quickly see for yourself how squeaky clean Amsoil kept my engine changing the oil and filter every 20 – 25,000 miles.

What’re The Ingredients In Your Oil?

While investigating the motor oil on the shelf and finding only two that had the “oil change mileage” labeled…none of the bottles listed the ingredients! Including Amsoil and Mobil 1. Do you not find it amazing…most companies label their product ingredients, but when it comes to motor oil…none…zero. So you might say, it’s just oil that has been refined from crude oil. Well, that’s partially true, however, the American Petroleum Institute has labeled these different types of oils. Now here’s where the rubber meets the road.

Secret’s The Oil Companies Don’t Want You To Know

Oil companies don’t want you to know how they cook up their “tested best” motor oils. If so, they would put the ingredients on the bottle, right? Well, now you’re going to get a glimpse into the four types of oil being used to formulate their products. Here they are.

  • Group I base oil…very cheap
  • Group II base oil…cheap
  • Group III base oil…better
  • Group IV base oil…best (100% synthetic)

Which oil would you rather have in your equipment? Hang in there with me…you’re getting educated about motor oil.

How can Amsoil guarantee its oil for 25,000 miles?

The ingredients they put into their oils are different. I understand that Amsoil uses Group IV Base Oil 100% synthetic oil in their 25,000-mile oils with the exception of the XL line which is group III…for those who want to change their oil more often.

Now I think they’re telling me the truth because I drove my 99 Chevy van over 930,000 miles changing the oil and filter every 20 – 25,000 miles until a valve keeper wore out that was not oil-related.

If You Think Your Oil Is So Good… Think Again!

Group II and Group III Base Oil stocks derived from petroleum oil are much cheaper. Since the oil companies will not tell you what “Base Oil” they’re using…I had to research whatWikipediaand “American Petroleum Institute” had to say.

It appears the majority of oil companies are most likely blending Base II and Base III oils. Several oil companies may be blending up to 30% of Group IV base oil stocks in their petroleum oil…making it a watered-down ”synthetic blend.” In my opinion, a waste of money. I’m speculating that Mobil 1 is using a small amount of Group IV along with the GTL Group III (highly refined mineral oil) in its 15,000-mile synthetic oil. However, since this new GTL Group III oil has been given the okay by the API to be called synthetic…they may have deleted the Group IV to cut cost.

Molecules In Your Oil…Can They Take The Heat?

Here’s an illustration of the molecular structure of Group II & III base oil. Fill a barrel with all different sizes of balls…basketball…baseball…softball…golfball…tennis ball…football. Then try and reach to the bottom of the barrel. There’s less consistency in the molecular structure of the oil.

When the oil heats up…all these different sizes of molecules can’t possibly work together to lubricate the metal surface efficiently…eventually exhausting themselves…breaking down and having to be disposed of…or the oil changed more often.

Reduce Friction…Spike Lubrication

Group IV base oils…100% synthetic…the molecules are all consistent. When the molecules are all the same size…there’s a dramatic reduction in friction and a spike in lubrication.

For example…fill a barrel with all ping pong balls…then try and reach to the bottom of the barrel. That pretty much describes the molecular structure of Group IV oils. Yes, they’re more expensive however…you’ll end up paying less due to fewer oil changes…increased fuel mileage, and fewer repairs.

Conclusion…Getting beyond what you think!

Hopefully, I’ve shed some light on your deeply ingrained imagination about the possibility…the oil that you’re presently using…if not a “Group IV base oil”… is not the best oil like you may think!

You cannot escape the facts. There are cheap oils…Base II… there are better oils…Base II & III mixed…there’s good oils Base III and there are great oils…Base IV.

Amsoil vs Mobil 1

Mobil 1 “Annual Protection synthetic oil” may take you up to 15 – 20,000 miles on an oil change. Amsoil Signature Series synthetic oil will take you up to 25,000 miles on an oil changeAnd the “slam dunk” is they have the nanotech 15K and the 25K mile oil filters to go with it.

Before I switched over to Amsoil…My imagination was at war with my brain.

There’s no way oil can last 25,000 miles. I have an expensive investment. I’m concerned that my engine will sludge up. Don’t take the chance…you can still change your oil every 5,000 miles.

But what if…the oil is as good as what I’m hearing and reading? Wouldn’t that be incredible if I could go 25,000 on an oil change? That would mean only 4 oil changes a year instead of 20. (I was driving 100,000 miles a year) What the heck…I’m going to give it a try.

Click here to look up the Amsoil products for your vehicle or equipment.

My First Oil Change and Oil Analysis with Amsoil

May of 2000 at 68,250 miles on my 99 Chevy van…is when I added Amsoil synthetic OW-30 signature series oil to my 350 engine.

While pouring the oil into the filler tube…I noticed on the back of the bottle…good up to 35,000 miles. Now today it says on the front of the bottle…”Guaranteed 25,000 Miles.” It no longer has the 35,000 miles on the back.

Can you imagine what I thought whenever I saw that? Yep…you’re right.  Are they crazy?  Changing my oil from 5,000 miles to 25,000 miles was a big stretch for me. But 35,000 miles…I needed a bungee cord!

Something said between my ears…go ahead…try it…let’s see if this oil will go 35,000 miles.

Catch A Sample Of Oil

I got to thinking…if I can catch a sample of the oil when changing it at 35,000 miles…which I’d never done before and had it analyzed…that would settle the score.
Great idea John. Checked to see if Amsoil had an oil analysis kit…and they did.

It was August of 2000…at 103,750 miles (35,500 miles on the oil)…I drained the oil…caught a sample and sent it into Amsoil. A week later with the report in hand…I called Amsoil to go over the report with me.

To my amazement, this is what they said… ”your oil is good for another 10-15,000 miles.  Just change the oil filter!!”  I never tested my oil after that. However…the downside of delivery service is lots of idle time…sitting and waiting to pick up another delivery.

In the heat of the summer, I would idle the engine with the AC running to cool the inside of the vehicle and in the wintertime, I would idle the engine with the heater running to warm the inside of the vehicle.

Due to so much idle time…I felt more comfortable…changing the oil and filter at 20 – 25,000 miles over my “Million Mile Journey.”

Amsoil…Like Aspirin

One thing that caused me to teeter over to Amsoil was pain. The pain of changing my oil every two weeks. I call it the 5,000-mile headache. Amsoil is like aspirin…it did away with my oil change headache…and put an extra $2000 in my pocket each year!

You can order online or by phone and have the product shipped to your doorstep in 2-3 business days.  Contact your dealership or local repair shop to change your oil and add the Amsoil synthetic oil and filter to your engine.  And just that quick…you’re up and running. 

How To Order Amsoil Products at “Rock Bottom Prices!”

The best is yet to come.

Amsoil Synthetic Oil gives your vehicle’s engine and drive train:

  • better performance
  • longer life and dependability
  • Increased MPG
  • increased horsepower
  • fewer repairs and maintenance
  • lower emissions
  • less waste oil
  • A cooler running engine…transmission and differential

And for you…a fatter wallet and peace of mind!

Happiness Is A Quick Starting Vehicle At -20 Below…Amsoil Synthetic Oil Pours at -50 Below

Click here to look up the Amsoil products for your vehicle or equipment.

Let’s Get Started 3 Ways To Purchase Amsoil Products

1. Purchase Online Or Via Phone: You can purchase Amsoil products at retail prices by going to Amsoil online store or by calling Amsoil at (800) 777-7094 from 8 am to 5 pm Central Time, Monday – Friday. Thank you for using my ID#516778 as your referral.

2. Preferred Customer: Save 25% off retail prices by becoming a Preferred Customer. Cost: $10 for 6 months or $20 for 1 year (Canada $30). When signing up as a preferred customer you’ll receive your own ID# giving you access to the online store to purchase all your products at wholesale prices. You can call Amsoils toll-free ordering number at (800) 777-7094 to order at wholesale.

Preferred Customers receive an information kit on AMSOIL products and the monthly AMSOIL Action News magazine containing powerful testimonies and updates about the Amsoil products.

3. Become A Dealer: Start your own business and become an Amsoil dealer. Cost: $50 yearly (Canada $65) save 25% off retail prices and share the Amsoil products with your friends, sign up Preferred Customers and Dealers under you and earn a commission off their orders. When signing up as a Dealer you’ll receive your own ID# giving you access to the online store to purchase all your products at wholesale. You can call Amsoils toll-free ordering number at (800) 777-7094 to order at wholesale.

PS…Most Japanese models take the Ea15K oil filter…good for 15,000 miles. If you drive over 15,000 miles a year…change the oil filter…no need to change the oil until 25,000 miles or one year.
European cars … oil and filter need to be changed at the recommended mileage by the owner’s manual.