Category: Sierra HD

Category: Sierra HD

Unlock the power of Sierra HD with in-depth reviews, updates, and heavy-duty truck & Duramax news. The authoritative guide to the GMC Sierra HD.

GM Will Invest $1 Billion To Upgrade Flint For Next Gen HD Trucks

Flint

GM Will Invest $1 Billion To Upgrade Flint For Next Gen HD Trucks

General Motors is investing $ 1 billion into its Flint Assembly Plant and Metal Shop to produce next-generation Heavy-Duty Pickup Trucks. The company announced a significant investment covering the two production shops in Flint, Michigan, this week. The investments include: Flint Assembly – GM will invest $788 million to prepare the plant to assemble GM’s… Continue reading GM Will Invest $1 Billion To Upgrade Flint For Next Gen HD Trucks

2024 GMC Sierra HD AT4X

2024

Sure Looks Like The 2024 GMC Sierra HD AT4X Is A Thing

The updated 2024 GMC Sierra HD will come in an off-road focused AT4X trim level if this prototype is any indicator. 2024 GMC Sierra HD AT4X – Our Spy Photographer Reports We caught a dinged-up prototype for the new off-road-focused variant coming with GMC’s 2024 Sierra HD refresh—a prototype believed to be a new AT4X… Continue reading Sure Looks Like The 2024 GMC Sierra HD AT4X Is A Thing

Stop Sale Issued For 3500+ Duramax Diesel Silverado/Sierra HD Trucks

diesel

Stop Sale Order Lifted On Silverado HD & Sierra HD With Duramax Diesel Issues

The recent stop-sale order that covered 3,500 Duramax diesel pickups has been lifted and the vehicles can once again be sold. Yesterday, April 26th, GM dealers received an updated notice marked “URGENT – Distribute Immediately”. It carried the title “Cancellation of stop delivery order” and details how the previous stop delivery order issued in March… Continue reading Stop Sale Order Lifted On Silverado HD & Sierra HD With Duramax Diesel Issues

2024 GMC Sierra HD Interior

2024

First Look: 2024 GMC Sierra HD Interior Keeps Surprising Feature

The 2024 GMC Sierra HD is slated for a makeover similar to its smaller version, the Sierra 1500. The biggest question is, “Will the HD get the same new interior?” With the capture of a new set of spy photos, we finally get our answer. But, there’s a surprise. Our spy photographer reports: 2024 GMC… Continue reading First Look: 2024 GMC Sierra HD Interior Keeps Surprising Feature

Brand New 2021 HD Trucks Covered In Mud After Being Stored In Field For Months

2021

GM Storing Unfinished Trucks In Muddy Field, Moving Them With Forklifts & Bulldozers

Photos have emerged that show how GM is storing unfinished Silverado HD and Sierra HD pickups in muddy fields and allegedly moving them with a bulldozer and a skid loader. We all know the global chip shortage has thrown a huge wrench into the production of automobiles. Automakers, who use legacy chipsets that are older… Continue reading GM Storing Unfinished Trucks In Muddy Field, Moving Them With Forklifts & Bulldozers

2023 Silverado HD & Sierra HD

2023

New 2023 Silverado HD & Sierra HD Photographed Without Grille Coverings

The redesigned 2023 Silverado HD and Sierra HD are continuing their development and inching closer to being production-ready. Over the weekend, a pair of camouflaged prototypes were photographed pulling trailers, giving us a better look at the pickup’s new grille designs. Check out our past spy shots of the duo here. Our spy photographer reports:… Continue reading New 2023 Silverado HD & Sierra HD Photographed Without Grille Coverings

2023 GMC Sierra HD Prototype

2023

Refreshed 2023 GMC Sierra HD Prototype Caught With Production Headlights

We’ve captured a 2023 GMC Sierra HD prototype undergoing testing with what appears to be production-ready headlights- giving us the best look yet at what the new Sierra HD may look like. Just last week we captured the 2023 Silverado HD with roughed-out headlights and a lot of camouflage. While the look was masked we… Continue reading Refreshed 2023 GMC Sierra HD Prototype Caught With Production Headlights

Full List of 2021 Chevy Silverado 1500 RPO Codes

Chevrolet Silverado

The Ongoing Chip Shortage Just Added HD Radio To Its List of Victims

Earlier this month, we reported that General Motors would be producing certain full-size pickup trucks and SUVs without stop-start technology. The fuel saving feature relies on electronic components that are currently hard to come by in the midst of the ongoing microchip shortage. Now, we’ve seen an email, sent to dealers, which outlines changes coming… Continue reading The Ongoing Chip Shortage Just Added HD Radio To Its List of Victims

Interesting 2023 GMC Sierra HD AT4/Denali Prototype

2023

Interesting 2023 GMC Sierra HD AT4/Denali Prototype Photographed

Spy photography of the refreshed 2023 GMC Sierra HD has been captured once again. This time, the truck captured is an interesting mix of trim levels that we’ve never seen before. 2023 GMC Sierra HD- Our spy photographer reports: A new prototype for the coming update of the GMC Sierra HD trucks has been caught… Continue reading Interesting 2023 GMC Sierra HD AT4/Denali Prototype Photographed