Mobil 1 High Mileage full synthetic motor oil 10W-40 is designed to help extend engine life for high mileage engines of all ages with over 75,000 miles and contains a proprietary blend that protects 10,000 miles between oil changes*. Mobil 1 High Mileage contains a seal conditioner to help reduce oil leaks in higher mileage vehicles, and its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup. This technologically advanced formulation provides excellent internal engine heat protection (up to 500 degrees Fahrenheit) and low-temperature capabilities (to -40 degrees Fahrenheit), supporting quick cold-weather starting and ultra-fast protection. Mobil 1 High Mileage meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI), timing chain wear protection while keeping your engine clean and helping your fuel economy. Available in 1-qt. and 5-qt. bottles, Mobil 1 High Mileage full synthetic motor oil 10W-40 also helps control oxidation to prevent oil breakdown and is recommended for all types of modern vehicles, including high-performance turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America?s leading synthetic motor oil brand at retail**, recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. (*Protects for up to 10,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. **Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ 52 weeks ending April 4, 2020)