Best Diesel Pickup? 2020 GMC Sierra 3.0L Duramax In-Depth Review - Towing, Payload and Off-Road!

Here at Truck King we are working to bring you comprehensive truck reviews that cover towing, payload and off-roading all in one video. We know trucks are work vehicles and we treat them that way. This week, we look at the 2020 GMC Sierra Elevation fit with the 3.0L Duramax diesel engine. #GMC #Sierra #Trucks

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