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 ...

Mahle’s aftermarket division, Lifecycle and Mobility, introduced complete gasket sets and individual components for Duramax L5P 6.6L and Subaru FA24F 2.4L engine rebuilds. The Duramax L5P, successor ...

I paid cash for two trucks, both failed.” A GMC owner exposes a 3.0L Duramax nightmare. Engines seizing at 6k miles, no ...

When it comes to the three main diesel mills we see in the domestic market, there's Ram's Cummins inline-six mills, and Ford ...

In this article, we break down every remaining inline-six engine still sold in America. From luxury SUVs to high-performance ...

When people rely on diesel pickup trucks for hard work, from hauling heavy trailers to running daily errands, the reliability of the engine stands front and center in decision-making. Diesel engines ...

For diesel engines to work their best, precision is everything. That's why, unlike traditional gasoline-powered engines, a Duramax diesel engine has two thermostats. After all, there are some ...

The Chevrolet Silverado HD — and its corporate twin in the GMC Sierra HD — can be had with either a standard 6.6-liter gasoline V8, or the optional 6.6-liter Duramax turbo-diesel. Opting for the TD ...

Diesel trucks have long been valued for their rugged durability, impressive towing capacity, and fuel efficiency, making them a top choice for work, recreation, and everything in between. However, not ...

If you like big trucks, or you tow a heavy load, I have one for you this week you'll love: The 2025 GMC Sierra 2500 Denali Ultimate, one of the biggest, baddest trucks GMC offers. It is an amazing ...

The Great Recession was rough on everyone in the late 2000s, especially General Motors. The automotive giant was nearly forced to dissolve, though it declared bankruptcy in 2009 and infamously ...