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Duramax Diesel


2019 Chevrolet Silverado 3.0 Duramax Makes 277 HP And 460 Lb-Ft

The 3.0 liter Duramax inline-six turbodiesel engine found in the 2019 Chevrolet Silverado and 2019 GMC Sierra is rated at 277 hp and 460 lb-ft of torque.  General Motors had been playing coy with the new 3.0 Duramax diesel’s output, but a TFLTruck reader noticed the engine’s horsepower and torque figures listed on GMC’s website and sent a screenshot over to the website, unearthing GM’s well-kept secret.


These figures make the Duramax-equipped 2019 Chevrolet Silverado and 2019 GMC Sierra the most powerful half-ton diesel trucks on the market; better than the 2019 Ford F-150’s 3.0 liter diesel making 250 hp and 440 lb-ft of torque. Fiat Chrysler has not announced the EcoDiesel engine for the new Ram 1500 yet, but if the engine does return in the truck, it will probably make the same amount of power as before: 260 hp and 442 lb-ft.


GM will soon begin taking orders for the 2019 Chevrolet Silverado and 2019 GMC Sierra with the 3.0 Duramax, with deliveries expected to commence in the summer. The diesel is the last variant of the trucks to arrive. Crew-cab V8 models first went on sale in the third-quarter of 2018 and regular, double-cab, V6 and 2.7-liter turbo models went on sale in the fourth quarter.


GM wanted to offer customers more variety with its new generation of pickups – particularly with the mass market and more affordable Silverado. Offering eight trim levels and six engine/transmission combinations for the truck, Silverado chief engineer Tim Asoklis says the automaker placed a “major focus” on expanding the trucks range of choices for this next-gen model.


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