Mobil 1 FS European Car Formula 5W-50 helps to extend engine life for vehicles of all ages better than conventional oil. 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. Available in 1-qt. and 5-qt. bottles, Mobil 1 European Car Formula 5W-50 also helps control oxidation to prevent oil breakdown. Mobil 1 is the world's leading synthetic motor oil brand, recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR.