Automobiles

How Many MPG Does A 6.6 Duramax Get? Here's What Drivers Are Saying

The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how many miles per gallon does it get?

SlashGear Auto

published: Feb 04, 2025

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The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how many miles per gallon does it get?

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Cars

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