AWD vs RWD - What’s More Efficient? I Answer This Age-Old Question Using The 2023 GMC Sierra 1500!

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( www.allTFL.com ) Check out our new spot to find ALL our TFLstudios content, from news to videos and our podcasts! Not only does the 2023 GMC Sierra 1500 sport the half-ton's recent facelift and the luxurious Denali Ultimate trim, but this year also sees the new LZ0 3.0-liter Duramax turbodiesel. We already know its an efficient powertrain, but here's a critical question: Will leaving the truck in AWD mode (4-Auto) kill your MPG versus actually switching the truck into 2WD mode? Andre and Nathan find out!
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