6.85ft Box Length - RUGGED CAPABILIITY, BUILT TO CONQUER — THE 2022 GMC SIERRA 3500HD AT4. SUNROOF, HEAD-UP DISPLAY, HD SURROUND VISION WITH TWO TRAILER CAMERA PROVISIONS, HEATED STEERING WHEEL, CRUISE CONTROL, WIRELESS CHARGING, HEATED & VENTILATED FRONT SEATS, TRAILERING MIRRORS, OUTSIDE HEATED, POWER, AUTO-DIMMING