If you have a 6.6 Duramax or shopping for one, you know that the fuel economy isn't the best. However, here are three ...

What are the best diesel trucks of 2025? Use our expert BuzzScore rating to find the safest or most reliable diesel pickups ...

A Duramax diesel engine is also available ... 2024 GMC Sierra 2500 HD Denali Ultimate and 7.1 seconds in a 2024 GMC Sierra 2500HD AT4X AEV. Equipping the 2025 GMC Sierra 2500HD with its regular ...

The 2020 GMC Sierra 3500HD is all ... Allison automatic gearbox when the diesel is ordered. The Sierra 3500HD is styled like the lighter-duty 2500HD, which in turn is inspired by the smaller ...

This GMC Sierra 2500HD boasts a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 ...

He mistakenly put DEF in his GMC Sierra Duramax and faced a $15,000 dealer bill. See how one local shop saved him a fortune ...

As for General Motors, they've produced the Duramax diesel mill for nearly 25 years. Over the course of a quarter-century, there have been quite a few variations of the Duramax motor, all of which ...

The 2025 GMC Sierra 2500HD comes in 31 different trims, ranging in Canadian pricing from $64,799 to $125,799 while the 2025 GMC Canyon comes in 3 trim levels and its Canadian pricing starts at $ ...

The 2021 GMC Sierra 2500HD comes in 32 different trims, ranging in Canadian pricing from $46,448 to $78,548 while the 2021 Chevrolet Silverado 2500HD comes in 38 trim levels and its Canadian ...

The choice between a diesel ... Duramax-powered trucks past the 1,000,000-mile mark, a feat unheard of when it comes to gasoline engines. A man named Roger Hummel and his 2006 Chevy 2500HD were ...

GMC Canyon introduces three new paint colors that replace three outgoing ones. Here’s a closer look at the new Glacier ...