Embed
- Published on: Friday, September 20, 2019
- Introducing the First Ever GMC Sierra HD AT4. With aggressive styling inside and out, powerful engine options and advanced off-road capability, see why this pickup is ready to elevate your adventures far beyond the beaten path.
Subscribe to GMC: http://www.youtube.com/gmc
Facebook: http://www./gmc
Twitter: http://www.twitter.com/gmc
Instagram: http://www.instagram.com/gmc
