RedOil is an independent educational website for car owners who want to understand engine oil. We explain oil grades, common product comparisons, routine maintenance questions and selected vehicle specifications in plain English.
Our purpose is to make an oil-related question easier to investigate. A useful guide should help you find the next piece of information you need, whether that is a manual section, a specification on a bottle or a question to ask your service provider.
Who the Website Is For
You do not need to be a mechanic to read RedOil. The site is designed for people checking their first oil specification, comparing familiar labels or trying to understand what a workshop has recommended.
Our general educational guides are written for an English-speaking audience worldwide. Whenever a guide refers to a specific vehicle, check the stated model year, engine and sales market. Instructions for one version may not apply to another.
What You Can Find Here
Understand the terminology that appears in oil discussions. Begin with the role of engine oil, then move on to viscosity, label information and finding your vehicle’s requirements.
Read side-by-side explanations of common grades and formulations. A comparison explains differences; compatibility still depends on the requirements for your engine.
Learn what to check before routine oil maintenance and what information to keep afterwards. Topics include oil level checks, service records and understanding maintenance instructions.
Find a starting point for researching selected vehicle oil requirements. Match every guide to the correct model year, engine and sales market before using it.
How We Approach Information
We prioritize the matching vehicle manual for model-specific details and use relevant industry or manufacturer material for general explanations. Sources are linked where practical, and important limits are explained near the information they affect.
We distinguish research-based explanations from any first-hand testing. A product mention does not mean that RedOil has tested the product or that a manufacturer has endorsed the website. Our editorial policy describes the checks to complete before a guide is published.
Authorship and Accountability
Our guides are published under the RedOil name. They explain information from manufacturer instructions and industry sources; they do not claim professional certification, a personal vehicle inspection or product testing by RedOil.
Questions and corrections can be sent through our contact page. Include the article link and the source you would like us to check. Personal information submitted with an enquiry is handled as described in our privacy policy.
Help Us Improve a Guide
If you notice a possible error, send the article URL, the detail in question and a link to the relevant source. For a vehicle-specific correction, the model year, engine and country of sale help us assess whether the information applies.
RedOil is not a vehicle manufacturer, repair workshop or emergency assistance service. For advice about an actual fault, use the instructions for your vehicle and speak with an appropriate professional.