A powerful new diesel engine from GM is set to make its debut, offering significant performance upgrades for heavy-duty trucks. The Duramax 8.3-liter V-8 engine delivers an impressive combination of horsepower and torque, targeting truck enthusiasts and professionals alike. This engine will be introduced in upcoming heavy-duty pickup models from Chevrolet and GMC later this year. The announcement marks a notable addition to GM’s lineup, promising enhanced capability for demanding tasks.
GM's new heavy-duty diesel engine delivers 555 hp and 1,230 pound-feet of torque. The Duramax 8.3-liter V-8 will debut on 2027 Chevrolet Silverado and GMC Sierra HD pickups this year.
