The 2021 GMC Sierra HD Denali is a Capable Big Truck in Need of a Better Interior

The #GMCSierra2500 is a heavy duty truck designed for buyers that need more capability versus the standard #GMCSierra 1500. It got a full redesign for 2020, so for 2021 it stays mostly the same. We like the available 6.6L turbodiesel V8 and 10-speed automatic, along with its handsome exterior styling and more than capable 18,500 max towing capacity. We still find the interior to be lackluster, but GMC should be addressing that on the 2022 #Sierra2500Denali with a significant refresh coming.

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