Greater horsepower, torque supports more confident trailering on 2017 Sierra HD When it comes to horsepower from a diesel engine, the 2017 GMC Sierra HD tops the segment with an SAE-certified 445 hp (332 kW)... Continue reading
Factory- and dealer-installed features add convenience, confidence to towing duties New available features including a gooseneck/fifth-wheel trailering prep package and a trailering camera system complement built-in technologies to help make trailering with the 2016 GMC... Continue reading