
The updated 2018 GMC Sierra 2500 HD SLT Extended Cab has now surfaced in photos and further detail, thanks to a leaked brochure out of countries. New information has been included at the bottom of this article.
The updated 2018 GMC Sierra 2500 HD SLT Extended Cab has now surfaced in photos and further detail, thanks to a leaked brochure out of countries. New information has been included at the bottom of this article.