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Mobil 1™ High Mileage oil

Mobil 1™ High Mileage

Rated 4.5 out of 5 by 17 reviewers.
  • 2016-09-23 T11:55:09.119-05:00
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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 1 out of 5 by told this oil caused break down I have a 2012 razor with 2000 miles on it..just lately I had problem and took it to dealer . they told me I needed complete engine overhaul. that by using mobile 1 oil it caused check valve to stick and starve engine of oil. I change oil every fall and spring ,with oil filter also. this razor has only been in trail situation a few times and less then one hundred miles total. used mostly for riding around neighborhood. would like an answer for dealer. cost of repair_ 3500.00 $ August 25, 2016
Rated 5 out of 5 by Made my turbos quiet I bought my volvo s80 used with 129,000 miles on it. It had noises comng from the valve train and turbos. I changed the oil to mobil 1 high mileage and the noises stopped. Plus my car has better fuel economy now. Mobil 1 is by far the best oil i have used. I also use it in my jeep that i only use to plow my driveway, mobil 1 makes for easy starts in below zero weather too. August 22, 2016
Rated 5 out of 5 by Great Product and Oil. I Deliver Pizza For a Living So My Car is Everything To Me. I Put Alot of Miles on it, It Has About 128,000 Miles. And I will Keep Using Mobil 1. August 21, 2016
Rated 5 out of 5 by 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! August 19, 2016
Rated 5 out of 5 by Dirty Oil Only 2000 Miles Hello Mobil 1, I have a 2003 Nissan Altima 2.5 S and it has 176,700 miles on it. I have kept my car's oil change regularly at 3,000 miles. Recently I decided to switched to synthetic oil and use Mobil 1 High Mileage 5W-30. I have read a lot of good remarks about it. Your support staff recommend that I do a staggered oil change since my car has never used synthetic oil before. He suggested to change the second oil change at 2,500 miles and the third at 3,500 miles. Then after that, at regular intervals. Anyhow, after I switched to synthetic oil and have driven 2,000 miles on this new synthetic oil, it is now time to change the oil (I know, I am changing it a bit early before 2,500 miles). Today, I changed the oil and notice that the oil is very dark with only 2,000 miles of use on the synthetic oil. Is this normal? My car's exhaust does not put out any smoke at all. Does dark oil mean that the internal engine is dirty? I am curious why with only 2,000 miles of use the oil is already dark. I would appreciate your expertise explanation and look forward to your feedback. Thank you for our time. Thanks, Joe MaCook April 2, 2016
Rated 5 out of 5 by 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? February 15, 2016
Rated 4 out of 5 by Installed in 98 Grand Marquis It seemed to help with oil loss(1 qt/1500 now 1 qt/2000) but I'm replacing lost oil with 5W30 instead of 5W20. Valve cover gaskets have very, very slight weep and I'm not sure if the oil made a difference.May need more time. Oil looked a bit dirty after 2000 miles. 5W30 was originally speced for this car and after all these miles it is probably a good idea. I'm concerned though it is only an SL oil and it don't meet Ford specs, nevertheless I'm sure it is a good product. Car averages about 22Mpg, about the same as the OEM Ford Oil. Does not increase or decrease mileage. Informally I can say the engine feels extremely smooth and relatively powerful when idling, passing, accelerating, etc. It ran fine with the the other oil but I can tell a difference, almost like a new vehicle. Seems to start easier as well, even on a cold morning(25 deg) it is running after one click. Car has 150K. November 27, 2015
Rated 5 out of 5 by 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. September 6, 2015
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