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2021 Chevy Tahoe Diesel packs impressive fuel economy

It's a wonder what a 3.0-liter diesel engine will do for a large SUV's range.

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Andrew Krok

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2021 Chevy Tahoe Diesel
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GM's body-on-frame SUVs have always been big, but the 2021 Chevy Tahoe is huge

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As this three-row hauler grows by liberal portions in its latest generation, there's always the concern that bigger equates to thirstier.

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Since electrification is currently nonexistent in this segment, that really leaves one option to help mitigate the Tahoe's newfound heft: a diesel engine. And it works.

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Resting under the hood is a 3.0-liter Duramax inline-six turbocharged diesel engine.

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With 277 horsepower and 460 pound-feet of torque, it's not going to win any exhaust-pipe-waving contests against competitors' engines, like the twin-turbo gas V6 in the Ford Expedition (375 hp, 470 lb.-ft.), but that's not the point.

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Chevy plopped the Duramax into the Tahoe to maintain the SUV's capability while giving the rig a big ol' fuel economy boost.

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The Chevy Tahoe is one of just a few body-on-frame SUVs remaining, and two of its similarly structured competitors, the Nissan Armada and Toyota Sequoia, feel older and less well-equipped than GM's offering.

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 The Ford Expedition comes close, but it doesn't have a diesel and it's a little less polished than the Tahoe. 

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It's impressive just how much better the 2021 Chevy Tahoe is than before, and the addition of an inexpensive diesel engine offers buyers the chance to mitigate the thirst of a large SUV while retaining capability without sacrificing any of its newfound refinement.

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Keep scrolling or clicking to check out even more pictures of the 2021 Chevy Tahoe Diesel.

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