The all-new 2020 GMC Sierra HD goes on sale later this year in 2500HD and 3500HD dual rear wheel and single rear wheel configurations. It is powered by the 6.6L Duramax turbo-diesel with a new 10-speed Allison transmission. It has a towing capacity in excess of 30,000 pounds. Read the full report here. Photos by Mike Antich.
2020 GMC Sierra HD Unveiling
Topics:GMC2020-MYLarge PickupsTowingGMC Sierra 2500GMC Sierra 3500Allison TransmissionVehicle Research
Originally posted on Automotive Fleet
The 2020 GMC Sierra HD has a dramatic increase in towing capability with the ability to tow in excess of 30,000 pounds.
The towed crane was tethered to a fifth wheel in the bed of the 2020 GMC Sierra.
The interior of the 2020 Sierra HD offers increased front head- and legroom with Crew Cab models. A higher seating position complements the truck’s taller profile.
The rear seats in the Crew Cab model offers ample and spacious legroom and headroom.
The 2020 GMC Sierra was designed to be upfitter friendly to accommodate tool boxes, racks, and other auxiliary equipment.
A new feature for the 2020 Sierra HD is a side step to allow easier access to the pickup bed.
For operator convenience, DEF fluid fill was position next diesel fuel fill.
The all-new 2020 Sierra Heavy Duty (HD) was debuted to journalists on Jan. 22, 2019 in San Diego by Duncan Aldred, vice president of Global GMC.
One demo highlighting the 2020 GMC Sierra HD towing capability included towing a wheeled crane cradling a boat for a combined 225,000 pounds weight, which is the equivalent of towing the Space Shuttle.
Compared to the current model, the 2020 Sierra Heavy Duty has a longer wheelbase, more dominant hood line with a functional hood scoop, and taller overall height.
To address feedback from fleet managers, GMC designed the 2020 Sierra HD to have a lower pickup bed height to improve operator access.
The 2020 Sierra HD will be powered by the 6.6L turbo-diesel Duramax engine, which can generate 445 horsepower and 910 lb.-ft. of torque. An all-new Allison 10-speed automatic transmission is mated to the 6.6L Duramax turbo-diesel
This photo captures the brute towing capability of the GMC Sierra HD as it towed a crane with cradled boat. Towing is one of the top buying considerations when selecting a GMC Sierra.
Rear view of 2020 GMC Sierra HD showing its 6-function MultiPro tailgate deployed in a rear step configuration.
Matt Noone, director of GMC exterior design, poses proudly with the 2020 GMC Sierra HD.
Matt Noone, director of GMC exterior design, visually demonstrates the lower pickup bed height to allow more ergonomic access.