About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...
The 2023 Chevy Silverado HD Duramax and 2023 GMC Sierra HD Duramax are set to receive engine updates with a boost in power. Now, one rumor has the total output from the upgraded diesel powerplants at ...
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