2022 GMC Sierra 1500 debuts as the 'Ultimate' pickup
The GMC Sierra 1500 is venturing farther into the luxury and adventure realms than ever before. The GMC Sierra 1500 AT4X and Denali Ultimate trims are new to the model. (GMC) The updated 2022 version of make full-size pickup debuts the new Denali Ultimate and AT4X trims, each with a different customer in mind. The…