Crestmont Buick GMC in Beachwood, Ohio, highlights the 2026 GMC Sierra 2500 HD, featuring powerful gas and available Duramax ...

When it comes to the GMC Sierra HD, one of the biggest draws is obviously the capability on offer, with impressive towing and payload numbers attracting buyers that need them for work or play. That ...

GMC has released partial pricing for the 2027 Sierra HD, and the headline number is a six-figure sticker. The Denali Ultimate Crew Cab 4WD now lists at $99,395, up $2,400 over 2026. But the most ...

GMC’s 2027 Sierra 2500 HD in AT4X trim with the diesel engine now carries a price of $100,595, destination charge included, making it the most expensive Sierra heavy-duty pickup on the price sheet.

Earlier this month, GM Authority made our case about the rumored 8.3L Duramax V8 turbo-diesel. In our story, we not only told you that all signs pointed to the engine being real, but also that our ...

The 3500 HD gets a max 38,000 pounds of towing with the diesel V8, and the 2500 HD gets up to 19,000 pounds with the gas V8.

General Motors is escalating the heavy-duty pickup horsepower war with an all-new 8.3-liter Duramax turbo-diesel V8 producing 555 horsepower and 1,230 pound-feet of torque. We had our first ...

A proposed class action claims the oil cooler in 2024–2026 Chevrolet Silverado and GMC Sierra heavy-duty trucks with the 6.6-liter Duramax diesel can crack, and that GM refuses to cover the engine ...