GMC Sierra Diesel Power & Other Specs Leaked

GM's upcoming 3.0-L Duramax diesel engine has been leaked ahead of its release in the 2019 GMC Sierra and Chevy Silverado.

GMC Sierra Diesel Power & Other Specs Leaked

Power and fuel economy numbers for the upcoming 2019 GMC Sierra and 2019 Chevy Silverado diesel engine have been leaked.

GM has lagged behind on the burgeoning diesel pickup market for some time now, but they’re finally getting ready to launch their answer to Ford’s F-150 PowerStrike turbodiesel. The 2019 model GMC Sierra and Chevrolet Silverado will both get an optional 3.0-L Duramax diesel engine, and now thanks to an unintentional leak, we finally have some stats to share.

The leak comes from TheFastLaneTruck.com (by way of GM Inside News) and features screenshots taken from GM Canada’s dealer website. This is why you always lock your screen when you get up from your desk, and never leave your laptop unattended.

But some poor GM employee’s mistake is our gain. The screenshots show that the 3.0-L Duramax diesel will be available on the SLE, Elevation, AT4, and Denali trims for the GMC Sierra. We don’t know which trims it will be available for the Chevy, but those are still way more options that Ford, who only offer their PowerStroke diesel on the top-of-the-line Limited trim on the F-150.


Power is rated at 282 horses with 450 lb-ft of torque. This compares favorably with Ford’s PowerStroke, which only gets 250 hp and 440 lb-ft of torque. Fuel economy is in Ford’s favor, however, with 30 mph on the highway while the Duramax only gets 28 mpg.

GMC Sierra Diesel Power & Other Specs Leaked
via GMC

Keep in mind that the fuel economy numbers are in Canadian, which won’t necessarily be the exact same as the numbers provided by the EPA. We could see economy stack up a bit more favorably once the EPA has a crack at the Duramax.

Towing is rated at 7,800 lbs, which also compares favorably to the Ford. Ram isn’t even in the running in terms of power at 240 hp and 420 lb-ft, but the EcoDiesel is capable of towing over 8,000 lbs.

Expect an official reveal from GM in the coming weeks now that this info is in the wild.


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