The New 2020 GMC Sierra HD Will TOW an AMAZING 35,500 lbs...But Is It a Good Truck?

( http://www.TFLtruck.com ) The New 2020 GMC Sierra Heavy Duty Truck can tow the most weight of any current HD truck. With an Amazing 35,500 pound towing rating the 2020 GMC Sierra HD is in a class of 1, but is it any good as a truck? In this review we find out. ( http://www.patreon.com/tflcar ) Please visit to support TFLcar & TFLtruck. Check us out on: Facebook: ( https://www.facebook.com/tfltruck ) Twitter: ( https://www.twitter.com/tfltruck ) The Fast Lane Car: ( http://www.youtube.com/tflcar ) and classic cars as well at: TFLClassics: ( http://www.youtube.com/user/ClassicsUnleashed ) #GMC #GMCSierra #SierraHD