https://www.gmc.com/Sierra/Denali-Ultimate
赞助Discover All the GMC Sierra Denali Ultimate Has to Offer. View Options at GMC.com. The GMC® Sierra Denali Offers The World's First, Six-Function GMC® MultiPro Tailgate
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Models: Pro, SLE, SLT, Elevation, Denali, Denali Ultimate, AT4, AT4X