The exterior of the 2025 GMC Sierra 3500 HD at John Thornton Buick GMC in Carrollton, GA, attracts attention around Atlanta. With its imposing grille, chiseled hood, and C-shaped LED signature lights, this heavy-duty truck exudes strength and capability. The available MultiPro tailgate offers six convenient functions for accessing the bed.
Customize the exterior of your Sierra 3500 HD with options like assist steps, chrome accents, and up to 20-inch wheels. Heated, power-adjustable trailering mirrors provide excellent visibility when towing around Douglasville. The spray-on bed liner protects the pickup box, while cargo area lighting illuminates the bed for your toughest jobs.
Come see the bold and capable 2025 GMC Sierra 3500 HD for yourself by browsing our new GMC Sierra 3500 HD inventory at John Thornton Buick GMC. With impressive exterior features and design, this heavy-duty truck is ready for work or weekend adventures.