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Mobil 1™ High Mileage oil

Mobil 1™ High Mileage

Mobil 1™ High Mileage 5W-20 is rated 4.6 out of 5 by 20.
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Provides unsurpassed wear protection for vehicles with more than 75,000 miles*

Mobil 1 High Mileage oils are designed to help extend engine life and prevent engine oil leaks. To help prevent wear in higher mileage engines, this advanced, fully synthetic high mileage oil features:

  • Higher base oil viscosity to help reduce leaks and provide better high temperature protection.
  • With a boosted level of seal conditioner to protect engine seals in all vehicles because over time, rubber seals can harden or shrink, resulting in oil leaks.
  • A proprietary blend of high-performance synthetic base oils

If your engine contains excessive sludge deposits due to less-than-adequate maintenance practices, Mobil 1 High Mileage synthetic motor oil can help reduce this sludge. For severe cases of engine sludge, short oil change intervals (3,000-5,000 miles) are recommended for the first two or three oil changes as the sludge reduction takes place. (In cases of engine damage that may have resulted from poor maintenance, even Mobil 1™ motor oil cannot remedy years of neglect.)

Still have additional questions, such as, “Should I use high mileage oil?” or, “Is high mileage oil worth it?” Learn more about the benefits of high mileage oils in our Car Maintenance archives. 

Please reference our Mobil 1™ Product Guide for a quick look at specifications including zinc and phosphorus, as well as manufacturer approvals for Mobil 1 motor oils.

*According to the industry-accepted Sequence IVA engine wear test.

Features and benefits

Advanced full synthetic formula

  • Provides excellent overall lubrication and wear protection
  • Outperforms our conventional high mileage oils

Extra anti-wear additive

  • Helps protect critical engine parts in high mileage engines

Cleaning additive

  • Helps to reduce the sludge and deposits that conventional oils can leave behind

Seal conditioner

  • Helps prevent leaks

Available viscosity grades

What does this viscosity mean?
  • 5W-20

    Specifications and approvals

    Mobil 1 High Mileage 5W-20 synthetic motor oil meets or exceeds the requirements of:

    • ACEA A1/B1 
    • API SL

    According to ExxonMobil, Mobil 1 High Mileage 5W-20 is of the following quality level:

    • API CF

    Technical details

    SAE Grade 5W-20
    Viscosity (ASTM D445)
    cSt @ 40ºC  50.1
    cSt @ 100ºC  8.6
    Viscosity Index  150
    HTHS Viscosity, mPa•s @ 150ºC (ASTM D4683)      2.7
    Pour Point, ºC, (ASTM D97)  -42
    Flash Point, ºC, (ASTM D92)  244
    Density @15.6ºC g/ml (ASTM D4052)  0.856

    View product data sheet for Mobil 1™ High Mileage 5W-20


  • 5W-30

    Specifications and approvals

    Mobil 1 High Mileage 5W-30 synthetic motor oil meets or exceeds the requirements of:

    • ACEA A1/B1
    • API SL

    Mobil 1 High Mileage 5W-30 is of the following quality level:

    • API CF

    Technical details

    SAE Grade 5W-30
    Viscosity (ASTM D445)
    cSt @ 40ºC  69.2
    cSt @ 100ºC  11.7
    Viscosity Index  165
    HTHS Viscosity, mPa•s @ 150ºC (ASTM D4683)      3.3
    Pour Point, ºC, (ASTM D97)  -39
    Flash Point, ºC, (ASTM D92)  230
    Density @15.6 ºC g/ml (ASTM D4052)  0.856

    View product data sheet for Mobil 1™ High Mileage 5W-30


  • 10W-30

    Specifications and approvals

    Mobil 1 High Mileage 10W-30 synthetic motor oil meets or exceeds the requirements of:

    • ACEA A3/B3
    • API SL

    Mobil 1 High Mileage 10W-30 is of the following quality level:

    • API CF

    Technical details

    SAE Grade 10W-30
    Viscosity (ASTM D445)
    cSt @ 40ºC 78.1
    cSt @ 100ºC 12
    Viscosity Index 149
    HTHS Viscosity, mPa•s @ 150ºC (ASTM D4683)     3.5
    Pour Point, ºC, (ASTM D97) -37
    Flash Point, ºC, (ASTM D92) 232
    Density @15.6ºC g/ml (ASTM D4052) 0.861

    View product data sheet for Mobil 1™ High Mileage 10W-30


  • 10W-40

    Specifications and approvals

    Mobil 1 High Mileage 10W-40 synthetic motor oil meets or exceeds the requirements of:

    • ACEA A3/B3 
    • API SN, SM, SL

    Mobil 1 High Mileage 10W-40 is of the following quality level:

    • API CF

    Technical details

    SAE Grade 10W-40
    Viscosity (ASTM D445)
    cSt @ 40ºC 95.9
    cSt @ 100ºC 14.71
    Viscosity Index 160
    HTHS Viscosity, mPa•s @ 150ºC (ASTM D4683)     3.9
    Pour Point, ºC, (ASTM D97) -33
    Flash Point, ºC, (ASTM D92) 232
    Density @15.6ºC g/ml (ASTM D4052) 0.860

    View product data sheet for Mobil 1™ High Mileage 10W-40



Show reviews
Rated 5 out of 5 by from Great Oil We have 2 vehicles, a 2003 Ford Explorer Sport trac, and a 1999 VW Jetta. Both have high mileage and I am a sticker for changing the oil and filter every 3,000 miles. This oil has held up to it's reputation but believe that Exxon Mobile could throw a few coupons our way once in a while. I perform most of the work on our vehicles and would like a discount every now and then. If you look on their web site the coupons that they have list all expired in 2014. Come on guys catch up and give us self doers a small break. Love the product but believe that Exxon Mobile could help out the little fella here. Jim Barnes El Paso, Texas
Date published: 2015-02-21
Rated 5 out of 5 by from My 2001 Durango 5.9L is purring like a kitten Hi, bought a 2001 Dodge Durango with a 5.9L Magnum V8 about a year ago. This engine is known for blowing up and for burning oil. I was using Valvoline conventional as I always had in the past, but she did not like it at all. She ran rough and was using a quart between changes (3000 miles). Switched to Mobil 1 HM 10W40 (went a little thicker since it gets super hot where I live) and immediately noticed how smooth and quiet she ran and she has not since used any oil. I have great peace of mind now with this oil in my engine and even my gas mileage has improved by one mile per gallon.
Date published: 2015-02-08
Rated 5 out of 5 by from Proven. I have a 09' Altima with 110K miles on it. I drive and sit in Boston traffic every single day of my life and Mobil 1 High Mileage is all I have used since my car turning 75K miles. Prior to the High Mileage, I used regular full synthetic Mobil 1 5w-30. In all honesty, my car sounds great. Very quiet, smooth, people often comment on it, especially being a 4 cylinder that takes a beating with Boston traffic. I change my oil myself every 5,000 miles and it still looks good. It is impossible to go wrong. Sick with Mobile 1 High Mileage with a Mobil 1 Extended Performance filter and you'll be more than fine. Be good to your car and your car will be good to you for a long time. After all, who likes a car payment?
Date published: 2016-02-15
Rated 5 out of 5 by from Long relationship with Mobil 1 I've used Mobil 1 on my Mazda protege at 65,000 miles to 450,000. Ford Explorer sport trac lasted 350,000 then sold. 2008 Mazda 3 from 10,000 to 100,000. My son's Mazda speed 3 up to 100,000 miles so far. My brother's Mazda 636 lasted 430,000 miles. I've raced 1000cc and 600cc motorcycles for the last 5 years with Mobil 1 oil and let me tell you I'm a big fan, I've had to look into a rebuilt engine for a race and all parts were excellent condition, every vehicle I own I use Mobil 1, it's definitely worth my investment.
Date published: 2015-09-07
Rated 5 out of 5 by from best oil you can purchase I have a 1994 Jeep Grand Cherokee 5.2 ,now it has over 221,000 miles.I tow a 29 ft trailer for camping 4 to 5 times a year. I use high mileage10-40 and starting using this oil @ 75,000. Mobil 1 is the best. I change oil every 5-6 thousand miles. The jeep spends a lot of time in the forest exploring trails. Motor is still running strong, thanks for a great product. Joe, in Tuolumne county, Ca.
Date published: 2015-02-18
Rated 5 out of 5 by from Good Stuff !!! I bought my '99 4wd, 4.0 Ranger in 2001 with 26,000 miles and I can't even start to tell how many fishing trips, deer and hog hunting excursions this truck has been involved in. This truck has had a steady diet of "regular" Mobile 1 for the better part of the next 134,000 miles with no problems. Changed the oil every 5-6 thousand miles. Oil comes out a little stained but that's normal though. Outside of the normal maintenance there has been no oil related issues, EVER !! Truck has no leaks and uses no oil. I have recently started using the High Mileage Mobile 1 and all is well within my engine. This Mobile 1 is GREAT oil, a little expensive, but compared to a new engine, it's a real bargain. I can"t imagine ever "running" anything else in my truck..Looking forward to another 160,000 miles or more of fishing and chasing deer and hogs.. Thanks for a TREMENDOUS product !!!
Date published: 2015-06-19
Rated 5 out of 5 by from 2002 Dakota 4.7 v/8 130K uses no oil I switched to Mobil 10-30 oil in my 2002 Dakota 4.7 v/8 at 70K miles. It used about 2/3 of a quart of oil in 5K miles. I then switched to 10/30 High milage Mobil oil. I now have 135K on that engine. Uses virtually no oil in 5K. Because I am a little over protective, Yes I do change the oil every 5K and also install a new Mobil 1 oil filter. After much study and deliberation I use only Mobil 1 Products.
Date published: 2015-02-03
Rated 5 out of 5 by from Only oil I'll use My grandpa bought my Yukon brand new and was very particular about having Mobil1 full synthetic oil in it, to the point that he'd drag a case of oil with him on cross country trips just so a lube shop could use his oil. I bought the truck from my parents after my mom inherited it, but I couldn't afford his taste in oil, so I used generic conventional oil. I got tired of the noisy, rough idle and clattery starts, so switched back to Mobil1, and the difference was night and day. I had a new motor it seemed! Power came back, the idle was silky smooth and silent, and I could go twice as long on a change with no issues. Now Mobil1is the only oil I'll use in my vehicles and I attribute this oil with making the original motor act like new with 250,000 miles on the clock. Great stuff!
Date published: 2016-08-19
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