Mobil 1 Extended Performance full synthetic motor oil 10W-30 is designed to help extend engine life for vehicles of all ages and contains a proprietary blend that protects for up to 20,000 miles between oil changes*. 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 protection (to -20 degrees Fahrenheit), supporting quick cold-weather starting and ultra-fast protection. Mobil 1 Extended Performance meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy. Mobil 1 is Americas 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 20,000 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/ PCMO Full Synthetic/ 52 weeks ending September 30, 2023)