Mobil 1 ESP 0W-40 is an advanced full synthetic oil specially formulated for passenger car diesels that have the latest diesel particulate filters (DPFs) and gasoline catalytic converters (CATs). The proprietary synthetic blend is the first and only dexos2-approved motor oil developed specifically for Chevrolet Corvettes, designed to help reduce oil consumption and provide maximum performance. Mobil 1 ESP has active cleaning agents that help to reduce deposits and sludge buildup for a cleaner engine. Helps to reduce oil aging with outstanding oxidation stability for extended drain interval protection. Low ash, sulfur, and phosphorous content help to reduce particulate buildup in DPFs and reduce poisoning of CATs. Excellent low temperature capabilities quick cold-weather starting and ultra-fast protection. 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®. (*Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO Full Synthetic/ 52 weeks ending September 30, 2023)