UnderCover 99-19 Silverado / Sierra Limited/Legacy 6.5ft Triad Bed Cover

The TRIAD by UnderCover is a hard-folding truck bed cover featuring matte black panels for a sleek and innovative addition to your truck bed. Integrated perimeter seals protect your truck bed from the elements, while aluminum panels enhance the security of your truck bed and support up to 600 lbs of evenly distributed weight. The TRIAD has 2 available riding positions in the fully open and 2/3 open position for convenience to haul and manage most any cargo. The TRIAD is fashioned with easy-to-use tailgate clamps allowing quick access to the truck bed. The TRIAD hard-folding cover comes completely assembled to provide a quick and easy installation and backed by a 3-year warranty. UnderCover Triad 1999-2018 (2019 Legacy/Limited) Chevrolet Silverado/GMC Sierra 1500/1999-2019 2500 HD/3500 HD 6' 6" Bed (1999-2013 models must remove factory tailgate spoiler and replace with form fitting tailgate cap) Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 -- This part is for the Legacy/Limited Body StyleNOTE: Will NOT work with UnderCover SwingCase 1999-2006 Chevrolet Silverado 1500 78.0 Bed Without Factory Tailgate Spoiler, 2007-2009 Chevrolet Silverado 1500 78.7 Bed Without Factory Tailgate Spoiler, 2018 Chevrolet Silverado 1500 78.8 Bed, 2010-2017 Chevrolet Silverado 1500 78.9 Bed Without Factory Tailgate Spoiler, 2007 Chevrolet Silverado 1500 Classic 78.0 Bed Without Factory Tailgate Spoiler, 2001-2003 Chevrolet Silverado 1500 HD 78.0 Bed Without Factory Tailgate Spoiler, 2005-2006 Chevrolet Silverado 1500 HD 78.0 Bed Without Factory Tailgate Spoiler, 2007 Chevrolet Silverado 1500 HD Classic 78.0 Bed Without Factory Tailgate Spoiler, 2019 Chevrolet Silverado 1500 LD 78.8 Bed Without Factory Tailgate Spoiler, 1999-2004 Chevrolet Silverado 2500 78.0 Bed Without Factory Tailgate Spoiler, 2001-2006 Chevrolet Silverado 2500 HD 78.0 Bed Without Factory Tailgate Spoiler, 2007-2019 Chevrolet Silverado 2500 HD 78.8 Bed Without Factory Tailgate Spoiler, 2007 Chevrolet Silverado 2500 HD Classic 78.0 Bed Without Factory Tailgate Spoiler, 2011-2019 Chevrolet Silverado 3500 HD 78.8 Bed Without Factory Tailgate Spoiler, 1999-2006 GMC Sierra 1500 78.0 Bed Without Factory Tailgate Spoiler, 2007-2009 GMC Sierra 1500 78.7 Bed Without Factory Tailgate Spoiler, 2018 GMC Sierra 1500 78.8 Bed, 2010-2017 GMC Sierra 1500 78.9 Bed Without Factory Tailgate Spoiler, 2007 GMC Sierra 1500 Classic 78.0 Bed Without Factory Tailgate Spoiler, 2001-2003 GMC Sierra 1500 HD 78.0 Bed Without Factory Tailgate Spoiler, 2005-2006 GMC Sierra 1500 HD 78.0 Bed Without Factory Tailgate Spoiler, 2007 GMC Sierra 1500 HD Classic 78.0 Bed Without Factory Tailgate Spoiler, 2019 GMC Sierra 1500 Limited 78.8 Bed, 1999-2004 GMC Sierra 2500 78.0 Bed Without Factory Tailgate Spoiler, 2001-2006 GMC Sierra 2500 HD 78.0 Bed Without Factory Tailgate Spoiler, 2007-2019 GMC Sierra 2500 HD 78.8 Bed Without Factory Tailgate Spoiler, 2007 GMC Sierra 2500 HD Classic 78.0 Bed Without Factory Tailgate Spoiler ...See Application Guide for Additional Fitments Fitment: 1999 Chevrolet Silverado 1500 Base 1999 Chevrolet Silverado 1500 LS 1999 Chevrolet Silverado 1500 LT 1999 Chevrolet Silverado 2500 Base 1999 Chevrolet Silverado 2500 LS 1999 Chevrolet Silverado 2500 LT 1999 GMC Sierra 1500 SL 1999 GMC Sierra 1500 SLE 1999 GMC Sierra 1500 SLT 1999 GMC Sierra 2500 SL 1999 GMC Sierra 2500 SLE 1999 GMC Sierra 2500 SLT 2000 Chevrolet Silverado 1500 Base 2000 Chevrolet Silverado 1500 LS 2000 Chevrolet Silverado 1500 LT 2000 Chevrolet Silverado 2500 Base 2000 Chevrolet Silverado 2500 LS 2000 Chevrolet Silverado 2500 LT 2000 GMC Sierra 1500 SL 2000 GMC Sierra 1500 SLE 2000 GMC Sierra 1500 SLT 2000 GMC Sierra 2500 SL 2000 GMC Sierra 2500 SLE 2000 GMC Sierra 2500 SLT 2001 Chevrolet Silverado 1500 Base 2001 Chevrolet Silverado 1500 LS 2001 Chevrolet Silverado 1500 LT 2001 Chevrolet Silverado 1500 HD LS 2001 Chevrolet Silverado 1500 HD LT 2001 Chevrolet Silverado 2500 Base 2001 Chevrolet Silverado 2500 LS 2001 Chevrolet Silverado 2500 LT 2001 Chevrolet Silverado 2500 HD Base 2001 Chevrolet Silverado 2500 HD LS 2001 Chevrolet Silverado 2500 HD LT 2001 GMC Sierra 1500 C3 2001 GMC Sierra 1500 SL 2001 GMC Sierra 1500 SLE 2001 GMC Sierra 1500 SLT 2001 GMC Sierra 1500 HD SLE 2001 GMC Sierra 1500 HD SLT 2001 GMC Sierra 2500 SL 2001 GMC Sierra 2500 SLE 2001 GMC Sierra 2500 SLT 2001 GMC Sierra 2500 HD SL 2001 GMC Sierra 2500 HD SLE 2001 GMC Sierra 2500 HD SLT 2002 Chevrolet Silverado 1500 Base 2002 Chevrolet Silverado 1500 LS 2002 Chevrolet Silverado 1500 LT 2002 Chevrolet Silverado 1500 HD LS 2002 Chevrolet Silverado 1500 HD LT 2002 Chevrolet Silverado 2500 Base 2002 Chevrolet Silverado 2500 LS 2002 Chevrolet Silverado 2500 LT 2002 Chevrolet Silverado 2500 HD Base 2002 Chevrolet Silverado 2500 HD LS 2002 Chevrolet Silverado 2500 HD LT 2002 GMC Sierra 1500 Base 2002 GMC Sierra 1500 Denali 2002 GMC Sierra 1500 HT 2002 GMC Sierra 1500 SL 2002 GMC Sierra 1500 SLE 2002 GMC Sierra 1500 SLT 2002 GMC Sierra 1500 HD SLE 2002 GMC Sierra 1500 HD SLT 2002 GMC Sierra 2500 Base 2002 GMC Sierra 2500 SL 2002 GMC Sierra 2500 SLE 2002 GMC Sierra 2500 SLT 2002 GMC Sierra 2500 HD Base 2002 GMC Sierra 2500 HD SL 2002 GMC Sierra 2500 HD SLE 2002 GMC Sierra 2500 HD SLT 2003 Chevrolet Silverado 1500 Base 2003 Chevrolet Silverado 1500 LS 2003 Chevrolet Silverado 1500 LT 2003 Chevrolet Silverado 1500 SS 2003 Chevrolet Silverado 1500 WT 2003 Chevrolet Silverado 1500 HD LS 2003 Chevrolet Silverado 1500 HD LT 2003 Chevrolet Silverado 2500 Base 2003 Chevrolet Silverado 2500 LS 2003 Chevrolet Silverado 2500 LT 2003 Chevrolet Silverado 2500 HD Base 2003 Chevrolet Silverado 2500 HD LS 2003 Chevrolet Silverado 2500 HD LT 2003 GMC Sierra 1500 Base 2003 GMC Sierra 1500 Denali 2003 GMC Sierra 1500 SL 2003 GMC Sierra 1500 SLE 2003 GMC Sierra 1500 SLT 2003 GMC Sierra 1500 WT 2003 GMC Sierra 1500 HD SLE 2003 GMC Sierra 1500 HD SLT 2003 GMC Sierra 2500 Base 2003 GMC Sierra 2500 SLE 2003 GMC Sierra 2500 SLT 2003 GMC Sierra 2500 HD Base 2003 GMC Sierra 2500 HD SLE 2003 GMC Sierra 2500 HD SLT 2004 Chevrolet Silverado 1500 Base 2004 Chevrolet Silverado 1500 Hybrid 2004 Chevrolet Silverado 1500 LS 2004 Chevrolet Silverado 1500 LT 2004 Chevrolet Silverado 1500 SS 2004 Chevrolet Silverado 1500 WT 2004 Chevrolet Silverado 1500 Z71 2004 Chevrolet Silverado 2500 Base 2004 Chevrolet Silverado 2500 LS 2004 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 WT 2004 Chevrolet Silverado 2500 HD Base 2004 Chevrolet Silverado 2500 HD LS 2004 Chevrolet Silverado 2500 HD LT 2004 Chevrolet Silverado 2500 HD WT 2004 GMC Sierra 1500 Base 2004 GMC Sierra 1500 Denali 2004 GMC Sierra 1500 SLE 2004 GMC Sierra 1500 SLT 2004 GMC Sierra 1500 WT 2004 GMC Sierra 2500 Base 2004 GMC Sierra 2500 SLE 2004 GMC Sierra 2500 SLT 2004 GMC Sierra 2500 WT 2004 GMC Sierra 2500 HD Base 2004 GMC Sierra 2500 HD SLE 2004 GMC Sierra 2500 HD SLT 2004 GMC Sierra 2500 HD WT 2005 Chevrolet Silverado 1500 Base 2005 Chevrolet Silverado 1500 Hybrid 2005 Chevrolet Silverado 1500 LS 2005 Chevrolet Silverado 1500 LT 2005 Chevrolet Silverado 1500 SS 2005 Chevrolet Silverado 1500 HD Base 2005 Chevrolet Silverado 1500 HD LS 2005 Chevrolet Silverado 1500 HD LT 2005 Chevrolet Silverado 2500 HD Base 2005 Chevrolet Silverado 2500 HD LS 2005 Chevrolet Silverado 2500 HD LT 2005 Chevrolet Silverado 2500 HD WT 2005 GMC Sierra 1500 Base 2005 GMC Sierra 1500 Denali 2005 GMC Sierra 1500 Hybrid 2005 GMC Sierra 1500 SLE 2005 GMC Sierra 1500 SLT 2005 GMC Sierra 1500 WT 2005 GMC Sierra 1500 HD SLE 2005 GMC Sierra 1500 HD SLT 2005 GMC Sierra 2500 HD Base 2005 GMC Sierra 2500 HD SLE 2005 GMC Sierra 2500 HD SLT 2005 GMC Sierra 2500 HD WT 2006 Chevrolet Silverado 1500 Hybrid 2006 Chevrolet Silverado 1500 LS 2006 Chevrolet Silverado 1500 LT 2006 Chevrolet Silverado 1500 SS 2006 Chevrolet Silverado 1500 WT 2006 Chevrolet Silverado 1500 HD LT 2006 Chevrolet Silverado 2500 HD LS 2006 Chevrolet Silverado 2500 HD LT 2006 Chevrolet Silverado 2500 HD WT 2006 GMC Sierra 1500 Hybrid 2006 GMC Sierra 1500 SL 2006 GMC Sierra 1500 SLE 2006 GMC Sierra 1500 SLT 2006 GMC Sierra 1500 WT 2006 GMC Sierra 1500 HD SLE 2006 GMC Sierra 1500 HD SLT 2006 GMC Sierra 2500 HD SL 2006 GMC Sierra 2500 HD SLE 2006 GMC Sierra 2500 HD SLT 2006 GMC Sierra 2500 HD WT 2007 Chevrolet Silverado 1500 LT 2007 Chevrolet Silverado 1500 LTZ 2007 Chevrolet Silverado 1500 WT 2007 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic SS 2007 Chevrolet Silverado 1500 Classic WT 2007 Chevrolet Silverado 1500 HD Classic LT 2007 Chevrolet Silverado 2500 HD LT 2007 Chevrolet Silverado 2500 HD LTZ 2007 Chevrolet Silverado 2500 HD WT 2007 Chevrolet Silverado 2500 HD Classic LS 2007 Chevrolet Silverado 2500 HD Classic LT 2007 Chevrolet Silverado 2500 HD Classic WT 2007 GMC Sierra 1500 SL 2007 GMC Sierra 1500 SLE 2007 GMC Sierra 1500 SLT 2007 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic Hybrid 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic SLT 2007 GMC Sierra 1500 Classic WT 2007 GMC Sierra 1500 HD Classic SLE 2007 GMC Sierra 1500 HD Classic SLT 2007 GMC Sierra 2500 HD SLE 2007 GMC Sierra 2500 HD SLT 2007 GMC Sierra 2500 HD WT 2007 GMC Sierra 2500 HD Classic SL 2007 GMC Sierra 2500 HD Classic SLE 2007 GMC Sierra 2500 HD Classic SLT 2007 GMC Sierra 2500 HD Classic WT 2008 Chevrolet Silverado 1500 LT 2008 Chevrolet Silverado 1500 LTZ 2008 Chevrolet Silverado 1500 WT 2008 Chevrolet Silverado 2500 HD LT 2008 Chevrolet Silverado 2500 HD LTZ 2008 Chevrolet Silverado 2500 HD WT 2008 GMC Sierra 1500 SL 2008 GMC Sierra 1500 SLE 2008 GMC Sierra 1500 SLT 2008 GMC Sierra 1500 WT 2008 GMC Sierra 2500 HD SLE 2008 GMC Sierra 2500 HD SLT 2008 GMC Sierra 2500 HD WT 2009 Chevrolet Silverado 1500 LT 2009 Chevrolet Silverado 1500 LTZ 2009 Chevrolet Silverado 1500 WT 2009 Chevrolet Silverado 2500 HD LT 2009 Chevrolet Silverado 2500 HD LTZ 2009 Chevrolet Silverado 2500 HD WT 2009 GMC Sierra 1500 SLE 2009 GMC Sierra 1500 SLT 2009 GMC Sierra 1500 WT 2009 GMC Sierra 2500 HD SLE 2009 GMC Sierra 2500 HD SLT 2009 GMC Sierra 2500 HD WT 2010 Chevrolet Silverado 1500 LS 2010 Chevrolet Silverado 1500 LT 2010 Chevrolet Silverado 1500 LTZ 2010 Chevrolet Silverado 1500 WT 2010 Chevrolet Silverado 2500 HD LT 2010 Chevrolet Silverado 2500 HD LTZ 2010 Chevrolet Silverado 2500 HD WT 2010 GMC Sierra 1500 SL 2010 GMC Sierra 1500 SLE 2010 GMC Sierra 1500 SLT 2010 GMC Sierra 1500 WT 2010 GMC Sierra 2500 HD SLE 2010 GMC Sierra 2500 HD SLT 2010 GMC Sierra 2500 HD WT 2011 Chevrolet Silverado 1500 LS 2011 Chevrolet Silverado 1500 LT 2011 Chevrolet Silverado 1500 LTZ 2011 Chevrolet Silverado 1500 WT 2011 Chevrolet Silverado 2500 HD LT 2011 Chevrolet Silverado 2500 HD LTZ 2011 Chevrolet Silverado 2500 HD WT 2011 Chevrolet Silverado 3500 HD LT 2011 Chevrolet Silverado 3500 HD LTZ 2011 Chevrolet Silverado 3500 HD WT 2011 GMC Sierra 1500 SL 2011 GMC Sierra 1500 SLE 2011 GMC Sierra 1500 SLT 2011 GMC Sierra 1500 WT 2011 GMC Sierra 2500 HD Denali 2011 GMC Sierra 2500 HD SLE 2011 GMC Sierra 2500 HD SLT 2011 GMC Sierra 2500 HD WT 2011 GMC Sierra 3500 HD Denali 2011 GMC Sierra 3500 HD SLE 2011 GMC Sierra 3500 HD SLT 2011 GMC Sierra 3500 HD WT 2012 Chevrolet Silverado 1500 LS 2012 Chevrolet Silverado 1500 LT 2012 Chevrolet Silverado 1500 LTZ 2012 Chevrolet Silverado 1500 WT 2012 Chevrolet Silverado 2500 HD LT 2012 Chevrolet Silverado 2500 HD LTZ 2012 Chevrolet Silverado 2500 HD WT 2012 Chevrolet Silverado 3500 HD LT 2012 Chevrolet Silverado 3500 HD LTZ 2012 Chevrolet Silverado 3500 HD WT 2012 GMC Sierra 1500 SL 2012 GMC Sierra 1500 SLE 2012 GMC Sierra 1500 SLT 2012 GMC Sierra 1500 WT 2012 GMC Sierra 2500 HD Denali 2012 GMC Sierra 2500 HD SLE 2012 GMC Sierra 2500 HD SLT 2012 GMC Sierra 2500 HD WT 2012 GMC Sierra 3500 HD Denali 2012 GMC Sierra 3500 HD SLE 2012 GMC Sierra 3500 HD SLT 2012 GMC Sierra 3500 HD WT 2013 Chevrolet Silverado 1500 LS 2013 Chevrolet Silverado 1500 LT 2013 Chevrolet Silverado 1500 LTZ 2013 Chevrolet Silverado 1500 WT 2013 Chevrolet Silverado 2500 HD LT 2013 Chevrolet Silverado 2500 HD LTZ 2013 Chevrolet Silverado 2500 HD WT 2013 Chevrolet Silverado 3500 HD LT 2013 Chevrolet Silverado 3500 HD LTZ 2013 Chevrolet Silverado 3500 HD WT 2013 GMC Sierra 1500 SL 2013 GMC Sierra 1500 SLE 2013 GMC Sierra 1500 SLT 2013 GMC Sierra 1500 WT 2013 GMC Sierra 2500 HD Denali 2013 GMC Sierra 2500 HD SLE 2013 GMC Sierra 2500 HD SLT 2013 GMC Sierra 2500 HD WT 2013 GMC Sierra 3500 HD Denali 2013 GMC Sierra 3500 HD SLE 2013 GMC Sierra 3500 HD SLT 2013 GMC Sierra 3500 HD WT 2014 Chevrolet Silverado 1500 High Country 2014 Chevrolet Silverado 1500 LT 2014 Chevrolet Silverado 1500 LTZ 2014 Chevrolet Silverado 1500 WT 2014 Chevrolet Silverado 2500 HD LT 2014 Chevrolet Silverado 2500 HD LTZ 2014 Chevrolet Silverado 2500 HD WT 2014 Chevrolet Silverado 3500 HD LT 2014 Chevrolet Silverado 3500 HD LTZ 2014 Chevrolet Silverado 3500 HD WT 2014 GMC Sierra 1500 Base 2014 GMC Sierra 1500 Denali 2014 GMC Sierra 1500 SLE 2014 GMC Sierra 1500 SLT 2014 GMC Sierra 2500 HD Denali 2014 GMC Sierra 2500 HD SLE 2014 GMC Sierra 2500 HD SLT 2014 GMC Sierra 2500 HD WT 2014 GMC Sierra 3500 HD Denali 2014 GMC Sierra 3500 HD SLE 2014 GMC Sierra 3500 HD SLT 2014 GMC Sierra 3500 HD WT 2015 Chevrolet Silverado 1500 High Country 2015 Chevrolet Silverado 1500 LS 2015 Chevrolet Silverado 1500 LT 2015 Chevrolet Silverado 1500 LTZ 2015 Chevrolet Silverado 1500 SSV 2015 Chevrolet Silverado 1500 WT 2015 Chevrolet Silverado 2500 HD High Country 2015 Chevrolet Silverado 2500 HD LT 2015 Chevrolet Silverado 2500 HD LTZ 2015 Chevrolet Silverado 2500 HD WT 2015 Chevrolet Silverado 3500 HD High Country 2015 Chevrolet Silverado 3500 HD LT 2015 Chevrolet Silverado 3500 HD LTZ 2015 Chevrolet Silverado 3500 HD WT 2015 GMC Sierra 1500 Base 2015 GMC Sierra 1500 Denali 2015 GMC Sierra 1500 SLE 2015 GMC Sierra 1500 SLT 2015 GMC Sierra 2500 HD Base 2015 GMC Sierra 2500 HD Denali 2015 GMC Sierra 2500 HD SLE 2015 GMC Sierra 2500 HD SLT 2015 GMC Sierra 3500 HD Base 2015 GMC Sierra 3500 HD Denali 2015 GMC Sierra 3500 HD SLE 2015 GMC Sierra 3500 HD SLT 2016 Chevrolet Silverado 1500 Custom 2016 Chevrolet Silverado 1500 High Country 2016 Chevrolet Silverado 1500 LS 2016 Chevrolet Silverado 1500 LT 2016 Chevrolet Silverado 1500 LTZ 2016 Chevrolet Silverado 1500 SSV 2016 Chevrolet Silverado 1500 WT 2016 Chevrolet Silverado 2500 HD High Country 2016 Chevrolet Silverado 2500 HD LT 2016 Chevrolet Silverado 2500 HD LTZ 2016 Chevrolet Silverado 2500 HD WT 2016 Chevrolet Silverado 3500 HD High Country 2016 Chevrolet Silverado 3500 HD LT 2016 Chevrolet Silverado 3500 HD LTZ 2016 Chevrolet Silverado 3500 HD WT 2016 GMC Sierra 1500 Base 2016 GMC Sierra 1500 Denali 2016 GMC Sierra 1500 SLE 2016 GMC Sierra 1500 SLT 2016 GMC Sierra 2500 HD Base 2016 GMC Sierra 2500 HD Denali 2016 GMC Sierra 2500 HD SLE 2016 GMC Sierra 2500 HD SLT 2016 GMC Sierra 3500 HD Base 2016 GMC Sierra 3500 HD Denali 2016 GMC Sierra 3500 HD SLE 2016 GMC Sierra 3500 HD SLT 2017 Chevrolet Silverado 1500 Custom 2017 Chevrolet Silverado 1500 High Country 2017 Chevrolet Silverado 1500 LS 2017 Chevrolet Silverado 1500 LT 2017 Chevrolet Silverado 1500 LTZ 2017 Chevrolet Silverado 1500 SSV 2017 Chevrolet Silverado 1500 WT 2017 Chevrolet Silverado 2500 HD High Country 2017 Chevrolet Silverado 2500 HD LT 2017 Chevrolet Silverado 2500 HD LTZ 2017 Chevrolet Silverado 2500 HD WT 2017 Chevrolet Silverado 3500 HD High Country 2017 Chevrolet Silverado 3500 HD LT 2017 Chevrolet Silverado 3500 HD LTZ 2017 Chevrolet Silverado 3500 HD WT 2017 GMC Sierra 1500 Base 2017 GMC Sierra 1500 Denali 2017 GMC Sierra 1500 SLE 2017 GMC Sierra 1500 SLT 2017 GMC Sierra 2500 HD Base 2017 GMC Sierra 2500 HD Denali 2017 GMC Sierra 2500 HD SLE 2017 GMC Sierra 2500 HD SLT 2017 GMC Sierra 3500 HD Base 2017 GMC Sierra 3500 HD Denali 2017 GMC Sierra 3500 HD SLE 2017 GMC Sierra 3500 HD SLT 2018 Chevrolet Silverado 1500 Custom 2018 Chevrolet Silverado 1500 High Country 2018 Chevrolet Silverado 1500 LS 2018 Chevrolet Silverado 1500 LT 2018 Chevrolet Silverado 1500 LTZ 2018 Chevrolet Silverado 1500 SSV 2018 Chevrolet Silverado 1500 WT 2018 Chevrolet Silverado 2500 HD High Country 2018 Chevrolet Silverado 2500 HD LT 2018 Chevrolet Silverado 2500 HD LTZ 2018 Chevrolet Silverado 2500 HD WT 2018 Chevrolet Silverado 3500 HD High Country 2018 Chevrolet Silverado 3500 HD LT 2018 Chevrolet Silverado 3500 HD LTZ 2018 Chevrolet Silverado 3500 HD WT 2018 GMC Sierra 1500 Base 2018 GMC Sierra 1500 Denali 2018 GMC Sierra 1500 SLE 2018 GMC Sierra 1500 SLT 2018 GMC Sierra 2500 HD Base 2018 GMC Sierra 2500 HD Denali 2018 GMC Sierra 2500 HD SLE 2018 GMC Sierra 2500 HD SLT 2018 GMC Sierra 3500 HD Base 2018 GMC Sierra 3500 HD Denali 2018 GMC Sierra 3500 HD SLE 2018 GMC Sierra 3500 HD SLT 2019 Chevrolet Silverado 1500 LD Custom 2019 Chevrolet Silverado 1500 LD LT 2019 Chevrolet Silverado 1500 LD WT 2019 Chevrolet Silverado 2500 HD High Country 2019 Chevrolet Silverado 2500 HD LT 2019 Chevrolet Silverado 2500 HD LTZ 2019 Chevrolet Silverado 2500 HD WT 2019 Chevrolet Silverado 3500 HD High Country 2019 Chevrolet Silverado 3500 HD LT 2019 Chevrolet Silverado 3500 HD LTZ 2019 Chevrolet Silverado 3500 HD WT 2019 GMC Sierra 1500 Limited Base 2019 GMC Sierra 1500 Limited SLE 2019 GMC Sierra 2500 HD Base 2019 GMC Sierra 2500 HD Denali 2019 GMC Sierra 2500 HD SLE 2019 GMC Sierra 2500 HD SLT 2019 GMC Sierra 3500 HD Base 2019 GMC Sierra 3500 HD Denali 2019 GMC Sierra 3500 HD SLE 2019 GMC Sierra 3500 HD SLT