Chevrolet Silverado 1500 diesel could be the most powerful

Chevrolet looks like it's about to best its crosstown rivals offering the most powerful diesel engine in the light-duty pickup segment.

The all-new 3.0-liter inline-6-cylinder Duramax turbodiesel is set to launch this summer in several Silverado trims.

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After a leaked dealer document that revealed its specs to be 277 hp and 460 lb-ft of torque was published on Jalopnik, Chevrolet confirmed that the numbers are correct.

(Chevrolet)

Both figures are higher than those for the Ford F-150's 3.0-liter Power Stroke V6, which is rated at 250 hp and 440 lb. Meanwhile, Ram’s 3.0-liter EcoDiesel V6 is currently on hiatus, but will return soon and put out 260 hp and 442 lb-ft when it was last available in the brand's 1500 truck.

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Although Ram could crank up the power before its engine hits showrooms, it’s not likely that Ford will anytime soon, but the diesel F-150 is the current fuel economy leader at 30 mpg.

Chevy hasn’t yet revealed how far its diesel truck can go on a gallon, or its maximum towing and hauling capacity, but did say the engine would sell for the same premium over the 5.3-liter gas V8 as its 6.2-liter V8 option does: $2,495 on LT, RST, LTZ and High Country trims, all with a 10-speed automatic transmission. The powertrain will also be an option for the GMC Sierra.

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