Chevrolet offers a choice for the Silverado powertrain: Either the 6.6 L8T gas engine, or the 6.6 Duramax - both of which offer potent towing capacity.
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 ...
Chevy's 6.6L Duramax offers high performance and lousy MPGs. If you want a comparable diesel engine with better gas mileage, there are other options available.
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