Turn every drive into an adventure with this fully‑loaded AT4. A 3.0‑L Duramax Turbo‑Diesel delivers relentless torque while the 10‑speed automatic and 2‑speed transfer case keep you planted—on‑road or off‑road. With a factory‑installed 2″ lift, off‑road suspension, and 20×9 machined‑aluminum wheels, the Sierra handles rugged trails, steep grades, and deep ruts with confidence.**Why this Sierra stands out**- **Power & Capability** – Duramax I‑6 diesel, 3.23 rear‑axle ratio, auto‑locking rear differential, 7,200 lb GVWR, class IV towing package, integrated trailer brake controller & sway control. – **Adventure‑Ready Equipment** – Skid plates, black‑chrome grille inserts, deep‑tinted glass, spray‑on bedliner with GMC logo, LED cargo‑area lighting, 120 V bed‑mounted power outlet, and red recovery hooks. – **Luxury & Comfort** – Perforated leather front seats, 10‑way power driver & passenger seats with lumbar, heated & ventilated front seats, heated 2nd‑row outboard seats, heated steering wheel, wireless phone‑charging, dual‑zone climate control, and a premium Bose 7‑speaker sound system. – **Tech & Safety** – 13.4‑in infotainment touchscreen with wireless Apple CarPlay/Android Auto, premium GMC audio, SiriusXM (360 L trial), HD Surround Vision, ultrasonic front/rear park assist, lane‑keep assist, adaptive cruise with stop‑and‑go, hill‑descent control, forward‑collision alert, rear‑cross‑traffic braking, and GMC Pro Safety Suite. – **Convenience Extras** – Remote start, keyless open/start, power‑adjustable steering column, power rear windows with express down, 120 V interior outlet, 2‑speed transfer case, and a tri‑fold tonneau cover.**The Bottom Line**This pre‑owned AT4 combines rugged capability with premium comfort—perfect for work crews, outdoor enthusiasts, or anyone who refuses to compromise. Backed by a comprehensive service history and still under factory warranty, it’s a smart, high‑value investment.**Ready to take the wheel?** Call Go Infiniti South today or swing by for a test drive. Experience the power, luxury, and confidence of the 2025 GMC Sierra 1500 AT4—your next adventure starts now.