The 2024 GMC Sierra HD is included in a new customer satisfaction program issued by General Motors, which includes a fix for a problem that can cause intermittent loss of trailer brake function in ...

On any grade of 5 percent or more, Hill Start Assist automatically engages the GMC Sierra’s brakes for 1.5 seconds or until the gas pedal is pressed. This keeps the truck from rolling rearward and ...

Standard integrated trailer brake controller, Lane Keep Assist, power steps for reaching the forward cargo section take 2016 GMC Sierra one step beyond Denali GMC elevates the range-topping Sierra ...

The 2020 GMC Sierra HD pickup is equipped with one of the most useful technologies you could ever wish for in a heavy duty pickup truck, specifically the ProGrade Trailering System. On display at the ...

Image source: General Motors Co. Wouldn’t it be nice if a pickup truck stopped in the same distance even when it is towing a hefty trailer? That was the notion behind a GMC engineering plan to ...

There are two things to know if you’re going to tow a trailer: Towing is never a trivial matter, and you can never have too much brakes. If you can't pull a trailer over a hill because you don’t have ...

Not long after introducing some smaller GMC Sierra models earlier this month, the automaker has lifted the veil on the all-new 2020 Sierra Heavy Duty. GMC has outfitted the heavy duty pickup with a ...