Big numbers are fun to rattle off, and big numbers tend to come hand-in-hand with big pickup trucks. We love being able to ...

I drove the 2026 GMC Sierra 1500 AT4 with its naturally aspirated 6.2-liter V8 and found muscle-car thrills, trail capability ...

My tester didn’t have any options or packages, because everything families could want was included. But does that justify a nearly $90K price tag?

Chevrolet is charging a lot of money for the L6P engine, and the 2027 model year Silverado HD also costs more than its 2026 ...

The 2027 Chevrolet Silverado HD gets a pair of new engines, higher towing capacity, and better brakes. Naturally, it gets a higher price tag as well. If you want the new diesel, that price hike is ...

An in-depth review and test drive of the 445 horsepower Chevrolet Silverado 2500HD Z71 equipped with the Duramax diesel ...

General Motors is escalating the heavy-duty pickup horsepower war with an all-new 8.3-liter Duramax turbo-diesel V8 producing ...

Specs for the new 8.3L Duramax, aka Mongoose, are impressive, making over 1,200 lb-ft of torque. However, it looks as though ...

GM bet big on EVs while rivals built hybrid lineups. Now hybrids are 16% of the US market and GM has just one hybrid model.

There seems to be some confusion surrounding exactly how the new 8.3L Duramax engine will fit into the HD truck lineup, so GM Authority is here to clarify.

The heavy-duty diesel horsepower war has a new leader, and GM didn’t exactly take the subtle route to get there. Its answer to Ford’s 6.7-liter Power Stroke is a gigantic new 8.3-liter Duramax V8 ...

General Motors unveiled updates for its new 2027 heavy-duty truck lineup, which will launch this year on the Chevrolet Silverado HD and GMC Sierra HD. Central to the updates are GM’s first all-new, in ...