For the next few days, GM Authority will be driving this 2022 GMC Sierra Denali Ultimate, the new range-topper in the GMC Sierra 1500 lineup introduced with the recent 2022-mode-year refresh.
Let's talk powertrains. With the 6.2-Liter V-8 gas engine, the 2023 Denali offers a maximum of 420 horsepower with 495 pound-feet of torque. Also, as an option, the 5.3-Liter EcoTec3 develops 355 ...
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