2023 Chevy Silverado HD Could Contain Record Power


Earlier this month, Chevrolet unveiled the upcoming 2022 Silverado refresh – revealing a new Raptor off-roader, the Silverado ZR2, and interior and exterior styling upgrades for all Silverado 1500s. Regular Trucks Just updated, a refresh for Silverado HD (and GMC Sierra HD) trucks is expected to follow for the 2023 model year. And that can come with some jaw-dropping, record-breaking power upgrades.

TFLCruck, citing an anonymous GM insider, reports that Refresh to include update to GM’s Duramax V8 6.6-liter turbodiesel. According to the source, the update will push the engine outputs to 505 horsepower and 1,085 pound-feet of torque. That’s 60 horsepower and 175 lb-ft of torque more than the previous generation.

Both numbers would put the Silverado and Sierra HD at the top of the segment. Ford’s 6.7-liter Power Stroke V8 diesel engine produces 475 horsepower and 1,050 lb-ft of torque. Ram’s 6.7-liter Cummins inline-six diesel produces 420 horsepower and 1,075 lb-ft of torque.

What do these numbers mean in real life? The current Silverado 3500 HD is rated at 36,000 pounds. This increase in power would likely push it past the Ram 3500, which has the current best tow rating of 37,100, and the Ford F-450, with a maximum rating of 37,000 lbs.

We suspect that most Silverado HD owners won’t come close to testing this maximum towing capacity. It’s not often that you will have to tow something like an aircraft carrier anchor, which would still leave you with a lot of spare capacity. But the battle of the Big Three is fierce, and being able to say you’re doing something “best in class” pays dividends.


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