2027 Chevy Silverado HD: All-New 8.3L Duramax, Specs, Trims and Pricing
The 2027 Chevrolet Silverado HD is the most significant update to GM’s heavy-duty truck lineup in a generation, and the headline is impossible to miss: an all-new 8.3-liter Duramax diesel producing 555 horsepower and 1,230 lb-ft of torque. Those figures do not simply improve on the outgoing 6.6-liter Duramax. They reset what a production heavy-duty…