Developed for GM Ecotec engines. Always consult your vehicle’s maintenance guide for detailed instructions.Copyright © Idemitsu Kosan Co., Ltd. All Rights Reserved. ( this answer is not a specific for 5w-30) By comparing these two brands, Idemitsu will be better because by seeing it's cost price, it's grade and it's reputation, it made me to suggest idemitsu.

An excellent choice for ensuring performance, efficiency & fuel economy� Idemitsu 5W-30 helps extend engine life by minimizing wear and keeping the engine free of harmful deposits, delivering extended drain intervals and reducing harmful emissions. Idemitsu 5W-30 SP/GF-6 is a fully synthetic formulation with robust additive technology, enabling engines to achieve maximum levels of efficiency, torque and horsepower. The latest, 2nd generation specification requires improved performance in several key areas and incorporates new tests to address the need for improved turbo deposit control and protection against stochastic pre-ignition (SPI).

Delivers improved durability and superior wear protection in extreme operating conditions.Click the button below for product availability and purchase Idemitsu products from our distribution partners.GM, Ford, FCA, Honda, Toyota, Mitsubishi Motors, Subaru and other OEM Performance requirements***GM dexos1™: 2015 is a proprietary GM global performance specification that combines North American, European and specific OEM test requirements. **Where SAE 5W-30 is specified. Idemitsu SN A5/B5 C2 5W-30 is Technologically Advanced Fully-Synthetic Engine Oil Specifically designed/formulated using "IDEMITSU ADVANCED ADDITIVE TECHNOLOGY (IAAT)" for the latest generation Fuel Efficient Petrol & Diesel Engines and is designed for providing optimum engine performance.
Idemitsu 5W-30 Idemitsu 5W-30 SP/GF-6 is a fully synthetic formulation with robust additive technology, enabling engines to achieve maximum levels of efficiency, torque and horsepower. Idemitsu 5W-30 SP/GF-6 is a fully synthetic formulation with robust additive technology, enabling engines to achieve maximum levels of efficiency, torque and horsepower. ZEPRO 5W-30. dexos1™ Approved. Delivers improved durability and superior wear protection in extreme operating conditions. Developed for GM Ecotec engines. Idemitsu SN A5/B5 C2 5W-30 is a Full-Synthetic engine oil specially designed and formulated to provide superb driving pleasure along with improved fuel efficiency performance. Idemitsu 5W-30 helps extend engine life by minimizing wear and keeping the engine free of harmful deposits, delivering extended drain intervals and reducing harmful emissions.Click the button below for product availability and purchase Idemitsu products from our distribution partners.API SP (backward compatible to API SN Plus)ILSAC GF-6A (backward compatible to ILSAC Ford WSS-M2C961-A1 (backward compatible with Ford WSS-M2C946-B1)Idemitsu 5W-30 is suitable for use where 5W-30 is recommended for: all Asian OEM engine designs, TGDI engines and PFI engines.Copyright © Idemitsu Kosan Co., Ltd. All Rights Reserved.