With a max tow rating of 35,500 lbs., the 2020 Sierra 2500/3500 diesel provides 52% more towing capability than its previous model year.
The 2020 GMC Sierra Heavy Duty pickups, which include the Sierra 2500HD and 3500HD, can now tow more than 30,000 pounds when properly equipped and will offer a camera system to improve visibility when towing, GM has announced.
The Environmental Protection Agency has certified AGA Systems' bi-fuel and dedicated compressed natural gas fueling system for General Motors' 2018 lineup of Chevrolet Silverado and GMC Sierra 2500, 3500, and 4500 trucks.
General Motors is expanding its lineup of heavy-duty pickups and vans fueled by compressed natural gas and propane autogas for the 2017 and 2018 model years, which will bring its alternative fuel lineup to more than 25 vehicles.
GM has announced that a newly redesigned Duramax 6.6L V-8 turbo-diesel will be offered on the 2017 Silverado HD and Sierra HD. The engine features a new air intake system and an enhanced oiling circuit.