When GM launched new-generation trucks for the model year 2020, the Allison automatic was gone. The trucks still got the badge, but it was a new 10-speed automatic jointly developed by Ford and GM. So ...
With near perfect weather conditions, on Saturday October 25th, New Martinsville’s downtown parking lot became home to over 100 highly polished cars, trucks and motorcycles from the last seventy years ...
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GM and Allison Transmissions Ends Partnership After Failing to Reach License Extension
After decades of GM HD trucks using Allison Transmissions, the partnership is ending on December 31, 2025. This news comes at ...
Eric Witt is jumping ship from his GMC Sierra. Why is he down on GM? He's debating the toughest truck choice: Ford, Ram, or ...
The 2026 Sierra 1500 offers a broad variety of options, and now, GM Authority is taking a closer look at all of the 2026 GMC ...
N/A - Not available. H2G, H1T - GM RPO code for the interior color combination in question. GM Authority strives to provide accurate and up-to-date information about the vehicles and features in ...
Some Chevy trucks still come with column shifters - a design most automakers have retired. So why is Chevrolet holding on to ...
The upscale Sierra Tucson rehabilitation center has made several protocol changes following a state investigation into its treatment of a 20-year-old male patient who died of acute drug toxicity in ...
RECALL ALERT: There are 5 recalls on this vehicle. Learn More. There are 5 recalls on this vehicle. Learn More. RECALL ALERT: There are 5 recalls on this vehicle ...
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