Used 2025 GMC Sierra HD for sale in Tustin

Seller description

2025 GMC Sierra 2500HD 4WD Crew Cab 159 AT4 Duramax 6.6L V-8 diesel direct injection, intercooled turbo with Allison 10-speed automatic; robust diesel power with towing-ready efficiency and competitive fuel economy. Recent market adjustments have made this well-equipped heavy-duty Sierra more attainable act soon while pricing and availability remain favorable. Preferred Equipment Group 4SB: Enhances capability and presence with performance-oriented Rancho gas-pressurized shocks for improved ride over rough terrain and a bold dark chrome grille that gives the truck a refined, confident look a smart value that bundles functional upgrades and convenience items. Smart device integration: Wirelessly mirror your smartphone with Apple CarPlay and Android Auto so navigation, messages and music are always within easy reach without cluttering the cabin with cords. Forward collision mitigation: A proactive safety layer that monitors traffic ahead and prepares the vehicle to help avoid or reduce the severity of a frontal impact when a sudden stop occurs. Front pedestrian impact prevention: Constantly scans the road ahead and can take preventative action if a pedestrian is detected, helping protect vulnerable road users in busy areas. Mobile hotspot: Keeps passengers connected on the go by providing a secure in-vehicle WiFi connection so devices can stream, work, or stay in touch without using phone data. Rear camera: Makes backing up and hitching simpler and safer by showing a clear view of whats behind the truck, reducing blind spots in tight spots and crowded lots. Adaptive cruise control: Maintains a set speed while automatically adjusting to keep a safe distance from traffic ahead, reducing stress during long highway drives. The 2025 Sierra 2500HD AT4 pairs heavyweight Duramax diesel capability with thoughtful tech and safety features that make heavy-duty driving more comfortable and confident. This truck is ideal for anyone who needs serious towing and hauling without sacrificing cabin convenience stop by for a test drive and see how this Sierra fits your work and weekend life. Financing available on approved credit. Trade-ins accepted. All Vehicles are subject to prior sale. All Pricing and Advertised Prices for any/all vehicles offered for sale does not include dealer installed accessories which can be purchased for an additional cost. Dealer Installed accessories include KARR Security System $995, NOMAD Protection $1,195, GMP Theft $899, Forever Start Lifetime Unlimited $799, ClearPRO Door Protection up to $795. No sales to Dealers, Brokers or Exporters. For out of state purchase, customers must be present to purchase. If shipping is required, dealership must facilitate; no exceptions. Please contact us for special Multi-Vehicle or Fleet pricing. Prices are plus government fees and taxes, any finance charges, $85 documentary fee, $37 electronic registration fee, any emission testing charge and $1.75 per new tire state tire fee. While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness. Images are for illustrative purposes only. Serving Tustin Santa Ana, Orange, Irvine, Villa Park, Anaheim Hills, Costa Mesa,Walnut, Costa Mesa, Huntington Beach, Garden Grove, Aliso Viejo, Laguna, Anaheim, Orange County, Lake Forest, Laguna Nigel, Laguna Hillsand Newport BeachPreferred Equipment Group 4SB,X31 Off-Road Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium 7-Speaker Sound System,Radio: AM/FM w/Premium GMC Infotainment System,SiriusXM w/360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220-Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Bumpers: body-color,Front License Plate Kit,Gloss Black Header Grille & Grille Insert Bars,Heated door mirrors,IntelliBeam Automatic High Beam On/Off,LED Cargo Area Lighting,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-On Pickup Bedliner w/GMC Logo,Turn signal indicator mirrors,Winter Grille Cover,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera w/2 Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front Prem Floor Liners w/Removable Carpet Insert,Front reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear Prem Floor Liners w/Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Cam Provisions & Trailer Viewing Software,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver & Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Perforated Leather-Appointed Front Seat Trim,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated Driver & Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance w/Hitch View,In-Vehicle Trailering System App,Alloy wheels,Wheels: 20" High Gloss Black 8 Spokes Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Front Passenger Windows w/Express Up/Down,Rain sensing wipers,Variably intermittent wipers,3.42 Axle Ratio,3.73 Rear Axle Ratio