*** CLEAN CARFAX REPORT *** The GMC Sierra X31 Off-Road package is an optional equipment package that enhances the truck's off-road capabilities. It includes features like off-road suspension with Rancho shocks, a two-speed transfer case for 4L (low range), skid plates, a heavy-duty air filter, and all-terrain tires. It's essentially the GMC equivalent of the Chevrolet Silverado's Z71 off-road package *** UPGRADED 20" FUEL WHEELS *** 5.3L V-8 ENGINE *** 2-SPEED AUTOTRAC TRANSFER CASE ****LEATHER INTERIOR *** BOSE STEREO *** NAV SYSTEM *** BACK-UP CAMERA *** HEAT/COOLED FRONT SEAT W/ DRIVERS MEMORY ***HEATED REAR SEATS *** HEATED STEERING WHEEL *** FRONT & REAR PARK ASSIST *** LANE ASSIST *** COLLISION AVOIDANCE *** REAR POWER GLASS *** FIXED RUNNING BOARDS *** TOWING/BRAKING SYSTEM **** TOWING /HITCH *** AUTO LOCKING REAR DIFFERENTIAL *** KEYLESS START *** 2 FOB REMOTES ***