2024 GMC Sierra 1500 4WD Crew Cab 147 AT4 "” Technology Package| AT4 Premium Package| Preferred Equipment Group 4SB| AT4 Preferred Package . Powered by the EcoTec3 6.2L V-8 with gasoline direct injection, variable valve control, cylinder deactivation and 420 hp paired to a 10-speed automatic transmission, this Sierra AT4 pairs serious towing and off-road ability with composed on-road manners; fuel economy will vary with load and driving conditions. Built for drivers who want trail capability, towing confidence and modern connectivity in one package. Technology Package "” Places camera views and essential driving information where they're easiest to use, helping you make better decisions quickly and with less distraction on busy roads or at the campsite. AT4 Premium Package "” Adds comfort and day-to-day conveniences that keep rides more enjoyable for driver and passengers, turning long trips and errands into a more relaxed experience. Preferred Equipment Group 4SB "” Delivers a well-rounded mix of capability, comfort and trail-ready hardware so the truck is prepared for heavy towing, rough terrain and everyday life without compromise. AT4 Preferred Package "” Small but meaningful convenience upgrades that simplify routine use and make the cabin feel more accommodating for drivers and passengers alike. Wireless Apple CarPlay/Android Auto mirroring lets you run navigation, calls and media wirelessly through the Sierra's infotainment system, reducing cable clutter and keeping your favorite apps at your fingertips. Forward collision mitigation constantly watches the road ahead and can prepare or apply braking to help prevent or lessen the impact of sudden stops, adding an extra layer of protection in heavy traffic. Front pedestrian impact prevention helps the truck better detect and react to people crossing the roadway, giving you improved awareness and automated responses when unexpected walkouts occur. The mobile hotspot turns the Sierra into a travel-ready Wi-Fi hub so passengers can stay connected on jobsites or long drives without draining individual phone data plans. A rear camera provides clearer sight lines when backing, towing or maneuvering in tight spaces, making hitching and parking simpler and safer. Lane departure prevention helps keep the truck centered in its lane by applying subtle corrective measures when an unintended drift is detected, reducing fatigue on long highway runs. Rear collision mitigation monitors the area behind the vehicle and readies safety systems to reduce the chance or severity of a rear impact, giving added peace of mind in congested situations. Adaptive cruise control with traffic stop-go maintains a safe following distance and can bring the vehicle to a stop and resume in slow traffic, easing the stress of busy commutes or highway drives. The head-up display projects key driving d
