Is Dexos Oil Full Synthetic? 5 Key Benefits Explained
Dexos oil, developed by General Motors, is not a single type of oil but a performance specification.
Leaks, burning oil, dirty filters, warning signs and how to stay ahead of them.
Open the guide → 02🛢️Synthetic vs conventional, high-mileage, and which grade your car calls for.
Open the guide → 03🔧Step-by-step, intervals, tools, and how much oil your engine needs.
Open the guide → 04🏷️What an oil change costs, where it is cheapest, and quart-vs-jug math.
Open the guide →The grade chart
Most "what oil?" questions are really grade questions. Here is what the common ones are built for.
Newer engines, cold climates. Thinnest flow for fast starts and fuel economy.
The all-rounder. The most common spec in North America.
Performance & diesel. Holds thicker when hot — turbos and towing.
Older or high-mileage. Extra hot-viscosity cushion for worn engines.
Our standard
Oil advice is worthless if it ignores your engine's spec. Everything here anchors to what the manufacturer actually calls for.
Grades and approvals trace to owner's-manual requirements and standards like API and ILSAC.
The 3,000-mile rule and "thicker is better" get called out where they show up, with the reasoning.
If a guide and your manual disagree, the manual wins — and we say so. Read the editorial policy.
Straight talk on engine oil — grades, brands, and what your car actually needs.
Dexos oil, developed by General Motors, is not a single type of oil but a performance specification.
Deciding whether to switch to synthetic motor oil involves weighing its advanced protection against conventional options.
While the idea of using an oil filter as a suppressor might seem ingenious, it's fraught with significant risks and is generally not a viable or safe option.
The USS Arizona continues to leak oil decades after the attack on Pearl Harbor. Understand the ongoing environmental phenomenon and its projected timeline.
Understanding the Valvoline Instant Oil Change full synthetic price is key for vehicle maintenance.
Determining the right mileage for your diesel oil change isn't a one-size-fits-all answer. It depends on several critical factors specific to your vehicle and how you…
Discover if your Chevy truly requires Dexos oil. This guide explains the GM specification, its benefits for engine longevity, and when alternative oils might suffice…
Choosing the right oil is critical for your motorcycle's health and performance. Discover why 20W-50 synthetic motorcycle oil offers superior protection, especially…
Choosing the right oil filter for your Ford 6.7L Power Stroke diesel is critical for engine longevity. The Motorcraft 6.
Electric cars do not require oil changes because they lack internal combustion engines. This fundamental difference in powertrain significantly alters their…
The debate of whether your car genuinely runs better after an oil change is common. While it might not feel like a sports car upgrade, fresh oil indeed makes a…
You're considering a change in your car's oil, but can you switch from full synthetic to synthetic blend?