GMC's huge Twin Six V12 gas engine was made to take on its diesel counterparts, powering fire trucks and farm machines, but ...

Early 2023 It seems to be the season for updating the big heavy-duty pickup trucks because hot on the heels of a revamped 2023 Ford Super Duty and the debut of the 2023 Ram 2500 Heavy Duty Rebel ...

The largest and heaviest of the Silverado/GMC heavy-duty trucks is the Silverado 3500 crew cab long bed, measuring 266 inches long -- just like the Ford F-450. The Silverado HD is 96.75 inches ...

GMC is getting its heavy-duty trucks ready for the mud this summer with its All Terrain package for the Sierra 2500HD and 3500HD. Meant to blend style, tech and ruggedness, the pack includes a lot ...

While there is no reliability rating specifically for the GMC Sierra 3500HD ... not been an excessive number of recalls issued for the truck in the past few years. There were three in 2021 ...