MOBIL 1™ C40 GT 0W-40

Mobil passenger-vehicle-lube , Singapore

Advanced Full Synthetic Engine Oil

Product Description

Mobil 1™ C40 GT 0W-40 is an advanced full synthetic engine oil specifically engineered for high performing Porsche GT Engines. Mobil 1™ C40 GT 0W-40 has been designed to protect the engine from wear in extreme conditions, prevents deposits and sludge formation. It is the latest technology developed within the framework of the collaboration established with Porsche AG for over the last 25 years.


Features and Benefits

Mobil 1 C40 GT 0W-40 is made with a proprietary blend of leading edge components formulated to be fully compatible with Porsche GT engines. Mobil 1™ C40 GT 0W-40 has been designed to help deliver outstanding performance and protection in extreme conditions. Key features and potential benefits¹ include:



Advantages and Potential Benefits

Outstanding high-temperature thermal and oxidation stability

Helps to reduce oil aging for protection throughout your oil drain interval

High temperature oil film resistance

Contributes to outstanding wear protection

Enhanced frictional properties

Helps improve fuel economy²

Active cleaning agents

Contributes to deliver outstanding engine cleanliness and sludge control



Mobil 1 C40 GT 0W-40 is specifically designed for Porsche GT engines requiring C40 GT specification³. Mobil 1 C40 GT 0W-40 is required by Porsche for the following models:


• 911 GT3 (991 and newer)


• 911 GT3 Cup (991/992)


• 911 GT3 R (991/992)


• 911 GT3 RS (991 and newer)


• 911 RSR (991)


• 911 R (991)


• 911 Speedster (991)


• 911 S/T (992)


• 718 Cayman GT4 RS (982)


• 718 Cayman GT4 RS Clubsport (982)


• 718 Spyder RS (982)



Mobil 1 C40 GT 0W-40 is not suitable for Porsche vehicles requiring an A40, C20, C30 or C40 approved Mobil 1 engine oils.





1: Based on industry and OEM standard engine tests.


2: Actual savings are dependent upon vehicle and engine type, outside temperature and barometric pressure, driving conditions and your current engine oil viscosity.


3: Always consult the owner's manual of the vehicle for the manufacturer's recommended viscosity grade and specifications.


Specifications and Approvals


This product has the following approvals:

Porsche C40 GT


Properties and Specifications




SAE 0W-40

Mini-Rotary Viscometer, Apparent Viscosity, -40 C, mPa.s, ASTM D4684


Viscosity Index, ASTM D2270


Kinematic Viscosity @ 40 C, mm2/s, ASTM D445


Kinematic Viscosity @ 100 C, mm2/s, ASTM D445


Hi-Temp Hi-Shear Viscosity @ 150 C 1x10(6) sec(-1), mPa.s, ASTM D4683


Density @ 15 C, g/ml, ASTM D1298


Flash Point, Cleveland Open Cup, °C, DIN EN ISO 2592


Total Base Number, mgKOH/g, ASTM D2896


Pour Point, °C, ASTM D97



Health and safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @

All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.


ExxonMobil Asia Pacific Ltd
1 HarbourFront Place
#06-00 HarbourFront Tower One
Singapore 098633

+65 6885 8000

Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification.  Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations.  The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit
ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.