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2024 GMC Sierra HD To Offer GCW Alert System

With the introduction of a mid-cycle refresh for the 2024 GMC Sierra HD, the heavy duty pickup receives a long list of exterior, interior and technology upgrades. A notable feature is the all-new GCW Alert, which serves to measure gross combination weight while trailering.

The GCW Alert system is a new trailering aid that predicts the gross combination mass of the truck and trailer based on axle torque and vehicle acceleration calculations. If gross combination mass is predicted to be close or over the truck’s gross combined weight rating, the driver is alerted through the driver information center. The driver is alerted one time per key cycle.

The driver can turn the feature on and off on their trailer profile in the trailer app. The alert provides the driver with two distinct warnings:

  • Yellow – Estimated weight of your trailer and cargo may exceed the vehicle GCW
  • Red – Estimated weight of your trailer and cargo exceeds the vehicle GCW

A wide variety of additional trailering assistance technologies for the 2024 Sierra HD is included with the GMC ProGrade trailering system.

For those who may be unaware, the revised 2024 GMC Sierra is highlighted by the introduction of an all-new trim, the Denali Ultimate. This range-topping model is distinguished by Vader chrome exterior pieces, 20-inch Ultra-bright wheels, and a unique Alpine Umber interior appointment. An all-new Sierra HD AT4X variant is on the way as well.

On the exterior, the 2024 GMC Sierra HD features revisions to the front fascia, which include the bumper and grille, as well as six new exterior colors.

Moving inside, the revised truck gets unique interior treatments for SLE and SLT trims, as well as a more premium interior design for AT4, Denali, and Denali Ultimate trim.

Under the hood, most 2024 Sierra HD trim levels are equipped as standard with the naturally aspirated 6.6L V8 L8T gasoline engine, which is rated at 401 horsepower and 464 pound-feet of torque. Optional, or standard on the Denali Ultimate trim, is the 6.6L V8 L5P turbodiesel Duramax engine, which is now uprated at 470 horsepower and 975 pound-feet of torque. This represents a 25 horsepower and a 65 pound-feet of torque upgrade over the pre-refreshed models.

Regardless of engine choice, every heavy duty pickup truck is equipped with the Allison-branded 10-speed automatic transmission. This 10-speed replaces the GM six-speed used by gasoline models prior to the mid-cycle refresh.

Meanwhile, production is expected to commence in February 2023.

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As a typical Florida Man, Trey is a certified GM nutjob who's obsessed with anything and everything Corvette-related.

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Comments

  1. Not needed. Why all these warning features??? Do they think we’re stupid? Sometimes you need to pull a stump or insane just a couple of feet (350,000 lb boat for instance GMC???) so you need to exceed the rating, but not the capability. I feel the same about this as I do the seatbelt monitor. No I’m not putting on a belt out in a field dropping off sports equipment or picking up hay for livestock. That’s actually one of GM’s best features though. Toyota and fords seatbelt alarm sounds like the cars a time bomb about to go thermonuclear. Less granny features generally please!!!

    Reply
    1. A) It looks bad for a manufacturer when a customer misuses their product and it goes badly. That is often due to ignorance. Many truck customers don’t understand the first thing about tow capacity or why different configurations have different ratings. MANY of the customers I work with think that adding rear air bags gives them “infinity towing” (barely exaggerating).

      B) Regardless of how it looks for the manufacturer, it is very bad for other people on the road when people exceed their tow ratings and cause delays or catastrophes. I’ve seen people hauling equipment I know is over 10k pounds with small or mid-size SUVs, for instance. Categories that max out at 5k pound tow ratings. They figure if the vehicle can pull it then it’s fine. But it’s not about what it can pull, it’s about what it can safely control and stop. These people are dangerous. I absolutely support adding warnings to make it plainly obvious to the driver that what they are doing is unsafe.

      Note that it didn’t say the truck will be disabled. It’s just a matter of making it a conscious decision to overtow instead of towing in complete ignorance of the risk they are taking.

      If getting a warning like this when you’re pulling a stump causes you that much anxiety you should probably see a therapist. That says FAR more about you than it does about the vehicle or its designers.

      It is interesting that Toyota, which has one of the quietest lock confirmation beeps in the industry, has such a loud and persistent seatbelt alarm, isn’t it? They also have one of the best reputations in the industry. Do you think those things just might be related? That they are intelligent design choices you don’t agree with but which do serve a good purpose?

      Reply
  2. I’d actually like to know if the February 2023 production date is even feasible? My dealer is still getting 22’s and 23’s in. Maybe a handful get built early but I can’t imagine many will show up until at least next summer? I kind of assumed this before I bought my 23 in October. Might be trading it in earlier than expected.

    Reply

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