https://www.gmc.com/Sierra-HD/Locate-Vehicle
赞助Offers More Advanced Trailering Assistance Technologies Than Any Competitor in Its Class. The GMC® Sierra Heavy Duty Offers Available Max Towing up to 36,000 LBS. Visit GMC.com
Six Exterior Colors · Powerful Performance · Advanced Technology
Models: Sierra HD 2500, Sierra HD 3500, Sierra HD Denali, Sierra HD Denali …