Let’s begin by comparing some of the GMC Sierra’s key wheel designs, starting with the 18-Inch Machined Aluminum with Dark Gray Accents (RPO code RT5). Equipped as standard for Sierra AT4 models ...
Starting with the Elevation trim, the standard wheels are the 18-inch machine-face aluminum with Gloss Black painted pockets (RPO code Q8G). On the Elevation Extended Range, the same setup applies, ...