Engine oil is the unsung hero that is under your hood, silently performing its magic to make your car go. We tend to assume ...

If you own a car, whether it is a brand new or a few years old, one of the simplest and most important things you can do to keep it running smoothly and efficiently is to change the engine oil on time ...

Whether you drive a highly-strung sports car, or a diesel pickup truck, your engine will require oil — it's the magical fluid that keeps everything cool and lubricated, enabling all moving components ...

Have you ever woken up in the middle of the night worried that you have never, ever changed the oil on your two-stroke lawnmower? Well, you can relax. A two-stroke oil change is like a left-handed ...

The 3,000-mile oil-change rule is a relic of a time with less advanced engines and motor oils. But shops still push that ...

The new resource is designed to educate the trucking industry on the upcoming heavy-duty engine oil category expected to ...

If you own a diesel car, you'd probably know that getting its oil changed isn't as quick or affordable as getting the oil changed on your friend's gasoline car or the one you've owned before. It is a ...

In today's high-tech cars, the "Change Engine Oil" message is no longer just a calendar reminder slapped on a windshield at 5,000 miles. Many vehicles now use an oil-life monitoring system that ...

For those readers who may be unaware, buyers of a 2025-model-year GMC vehicle receive a free oil change under the automaker’s Pro Grade Protection program. However, there’s a bit of confusion ...

As GM Authority has covered at length, General Motors issued a safety recall several months back to address an issue affecting certain models equipped with the naturally aspirated 6.2L V8 L87 gasoline ...