Engine Oil Guide A. 0W 20 Best for: 1. New modern petrol vehicles 2. Hybrid cars 3. Vehicles designed for fuel efficiency Why use it: Very thin oil quick lubrication during cold start Engine oil is the lifeblood of your engine. Beyond lubrication, it reduces friction, manages heat, seals internal components, and plays a key role in extending engine life. Choosing the correct oil viscosity Top 8 Synthetic Motor Oils Ranked: The Ultimate Showdown Knowledge & Resources Lubrication Best Practices & Insights Lubricant Types, Uses, and Functions Tameson.com Types of Motor Oils: Which is Best for Your Diesel Engine?