2024 GMC AT4 2500HD Duramax, standard bed. ONLY 3300 miles currently. I purchased in August, Truck is perfect, added Westin running boards, otherwise, all stock. Only reason I am selling is my ordered GMC is arriving sooner than expected. Truck is PERFECT. $77,000 FIRM. Located in Big Timber, Montana, serious buyers only. MSRP was $86,285. Options in sticker pic. 406-263-2133, David.