Mudding, Towing & Hauling Payload in the GMC Sierra AT4 + Torture Testing a CarbonPro Bed!
We put the 2020 GMC Sierra AT4 through our lineup of tests to see how it stacks up. We try and go in-depth here on Truck King, but that can make the videos a little long. Here's a quick way to access the section you might want to watch. Video glossary: Walkaround - 1:06 In-Depth Look at CarbonPro - 2:22 Sierra AT4 Pricing - 4:16 CarbonPro Easter Egg - 6:07 Payload test - 10:27 Towing test - 15:32 Off-Road test - 22:28 #GMC #Sierra #Trucks
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Can the GMC Sierra HD AT4 Dethrone the Ram Power Wagon Off-Road? We Get Them Muddy to Find Out!
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GMC Sierra Small vs Big Duramax Diesel Truck Comparo: Which Tows Better & Cost Less at The Pump?
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The Truth About My GMC Sierra AT4 After 3 Months
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Heavy towing with the new Chevy. I have some complaints…
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The Ram Power Wagon DON'T CARE Off-Road...But What About on the World's Toughest Towing Test?
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Towing an RV: What's the Right Speed to Tow??
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2022 GMC Sierra AT4X Off-Road Truck Test
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2022 GMC Sierra AT4 | A Beast Off Road & on the Highway
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Best Diesel Truck! 2020 GMC Sierra AT4 vs Ram Rebel Diesel 0-60 MPH Buddy Review
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I need Help! Mechanic Logic Check! 2015 Tahoe 5.3 P0208
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The Truth Inside Differential Lockers — It's Not Simply Air vs Electric!
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GMC Sierra AT4 Max Towing Capacity – Real-World Test & Impressions
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2023 Toyota Tundra TRD Pro vs GMC Sierra AT4X AEV - Mud, Rocks & Water will Decide Which is Better!
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GMC Sierra AT4 Comes Up to Challenge the Ram Rebel Rouser and This is What Happens | Ep.7
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GMC SIERRA AT4 6 INCH LIFT 35S Lifted Trucks in Snow WHEELING! ❄️ #YOUTUBE #STORY
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Oh My… Trail Collapsed From Underneath This Jeep!
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Towing with 2022 GMC Sierra 1500 AT4 3.0L Duramax Turbo Diesel (Tow Test 2/4)
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The BEST Off-Road Truck? The New GMC Sierra 1500 AT4X AEV Tackles The Razor Rocks!
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The 2026 GMC Sierra 2500 HD AT4 Is The ULTIMATE Luxury Truck
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