Chevy thoroughly updated its Suburban and Tahoe SUVs for the 2021 model year, giving the two brutes new styling, new technology, and new underpinnings. The refreshed generation also saw the Bow Tie give the pair a new engine option – the automaker’s 3.0-liter inline-six Duramax diesel engine. It’s Chevy’s first full-size diesel-powered SUV since 1999, and the new mill should give customers a pair of torque-filled fuel sippers.
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