GMC Sierra Z71 2013 Automatic Gasoline mileage: 300 KM or more 4WD Peace, mercy, and blessings of God be upon you. I am offering for sale a GMC Sierra Z71, 2013, double cabin. Original body except for the dent shown in the picture, which I haven't fixed. Engine is damaged due to low oil. Transmission is guaranteed. Suspension is guaranteed. Body is guaranteed except for the dent. Please, only serious buyers contact via WhatsApp, as I do not frequent the site.