Sierra 1500 SLT, ilver Birch Metallic, ark Pewter w/Ultrasoft Leather Seating Surfaces, ual-Zone Automatic Air Conditioning, nd Heated front seats. For special savings on this vehicle you MUST come to Hendrick Chevrolet and ask for Bart Sturm. We will not discuss this special via email or over the phone. GMC has done it again! They have built some really good vehicles and this attractive-looking 2005 GMC Sierra 1500 is no exception! J.D. Power and Associates gave the 2005 Sierra 1500 4 out of 5 Power Circles for Overall Initial Quality Design. It has only been gently used and has VERY low miles. They don't come much fresher than this!