The 6.6L Duramax diesel engine is well regarded in the truck community, but what is considered high mileage for one? Here's a safe estimation.

High mileage on a 6.6 Duramax is less about a single scary number on the odometer and more about how that number lines up ...

A GMC Sierra AT4 owner is trading in his Duramax for a 2025 Ford F-150 Lariat after repeat "Check Engine" failures. From "seats that suck" to coolant valve nightmares, find out why this high-mileage ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

A major new study has found a notable connection between untreated sleep apnea and an increased risk of Parkinson’s disease. A team of researchers from Oregon Health and Science University (OHSU) ...

Parkinson’s disease — which causes poor balance and stiff movement — affects an estimated 1 million Americans. That number is expected to rise by 20% in the next few years. While there’s no sure-fire ...

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Light-duty customers have a single diesel option for model year 2026, that being the 3.0-liter Duramax inline-six turbo diesel of the Silverado and Sierra ...