
The updated 2018 GMC Sierra 3500 HD SLT Crew 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 3500 HD SLT Crew 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.