2023 GMC Sierra AT4X Review: Understated
The Truth About Cars
JUNE 8, 2023
I don’t know that I personally have a need for something as large as the current batch of full-size half-ton trucks like this 2023 GMC Sierra AT4X. GMC has done a nice job updating the interior of the Sierra, too. Fuel economy suffers, with the 15mpg EPA combined rating seeming about right.
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