New 2025 GMC Sierra 2500HD Crew Cab AT4

MECHANICAL::Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)%%MECHANICAL::Air filter, heavy-duty%%MECHANICAL::Air filtration monitoring%%MECHANICAL::Auto-locking rear differential%%MECHANICAL::Four wheel drive%%MECHANICAL::Cooling, external engine oil cooler%%MECHANICAL::Cooling, auxiliary external transmission oil cooler%%MECHANICAL::Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)%%MECHANICAL::Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)%%MECHANICAL::Trailer brake controller, integrated%%MECHANICAL::Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section%%MECHANICAL::Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue%%MECHANICAL::Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors%%MECHANICAL::Brake lining wear indicator%%EXTERIOR::Tire, spare LT275/70R18 all-terrain, blackwall%%EXTERIOR::Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door%%EXTERIOR::CornerStep, rear bumper%%EXTERIOR::Wheelhouse liners, rear%%EXTERIOR::Glass, deep-tinted%%EXTERIOR::Wipers, front rain-sensing%%ENTERTAINMENT::Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)%%INTERIOR::Seat adjuster, driver 10-way power including lumbar%%INTERIOR::Seat adjuster, passenger 10-way power including lumbar%%INTERIOR::Driver memory recalls driver "presets" for power driver seat and outside mirrors%%INTERIOR::Seats, heated second row outboard seats%%INTERIOR::Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability%%INTERIOR::Floor covering, color-keyed carpeting%%INTERIOR::Steering wheel, wrapped%%INTERIOR::Steering wheel, heated%%INTERIOR::Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display%%INTERIOR::Rear Seat Reminder%%INTERIOR::Remote vehicle starter system%%INTERIOR::Theft-deterrent system, unauthorized entry%%INTERIOR::Air conditioning, dual-zone automatic climate control%%INTERIOR::Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted%%SAFETY::Front and Rear Park Assist, ultrasonic%%SAFETY::Trailer Camera Provisions and trailer viewing software%%SAFETY::Rear Cross Traffic Alert%%SAFETY::Trailer Side Blind Zone Alert%%SAFETY::Seat Belt Adjustable Guide Loops, front row only%%SAFETY::Rear Seat Belt Indicator%%SAFETY::Safety Alert Seat%%MECHANICAL::Hill Descent Control%%SAFETY::StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist%%EXTERIOR::Tailgate and bed rail protection caps, top