From the article
General Motors is boosting the long-haul capability of its upcoming half-ton trucks. When the redesigned 2027 Chevrolet Silverado 1500 and GMC Sierra 1500 arrive, models equipped with the popular 3.0-liter Duramax diesel will feature a significantly larger Diesel Exhaust Fluid (DEF) tank. This upgrade marks a major shift for the upcoming truck platform as GM pushes to improve towing efficiency and cross-country range.
The larger DEF tank pairs directly with the new 34-gallon extended-range fuel tanks arriving across the half-ton lineup. For drivers who rely on the Duramax for heavy towing,…
