Experience premium performance and rugged capability in the new 2026 GMC Sierra 1500 4WD Crew Cab AT4, finished in classic white and with just 5 miles… Read More…
Experience premium performance and rugged capability in the new 2026 GMC Sierra 1500 4WD Crew Cab AT4, finished in classic white and with just 5 miles on the odometer. Powered by the advanced Duramax 3.0L Turbo Diesel I6 engine (305hp/495 lb-ft torque) and paired with a 10-speed automatic, this Sierra delivers impressive towing, efficiency, and off-road confidence with its AutoTrac 4X4 system and AT4 Off-Road Suspension Package. Luxuriate inside with heated and ventilated leather front bucket seats, a heated steering wheel, dual-zone automatic climate control, and a Bose 7-speaker premium sound system. Cutting-edge tech includes a 13.4" touchscreen, wireless Apple CarPlay/Android Auto, integrated navigation, HD Surround Vision, and a 15" multicolor Head-Up Display. Safety is prioritized with GMC Pro Safety features: Forward Collision Alert, Lane Keep Assist, Automatic Emergency Braking, and more. Additional highlights: MultiPro Tailgate, spray-on bedliner, 20" machined aluminum wheels, power sunroof, and adaptive cruise control. Built for both adventure and everyday use, this Sierra AT4 is ready for your next journey. Net Price includes a Factory Rebate available to all, if applicable, on this vehicle and is valid on a cash or financed purchase only by an individual for their personal use. The net price does not apply to a lease. Some Factory Rebates are California Resident specific and may vary for residents of other states. 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. Price includes $85 Doc Fee and $37 electronic registration fee. Price does not include government fees and taxes, any finance charges, and $1.75 per new tire state tire fee. All vehicles are subject to prior sale. 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. Leasing & financing available on approved credit. Trade-ins accepted. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details. 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. Price shown is valid through the close of business today. Serving Tustin, Santa Ana, Orange, Irvine, Villa Park, Anaheim Hills, Costa Mesa, Walnut, Huntington Beach, Garden Grove, Aliso Viejo, Laguna, Anaheim, Orange County, Lake Forest, Laguna Nigel, Laguna Hills, and Newport Beach. Read Less
Chassis Details
Stock Number
SI15231
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 1500
Class
2
GVWR
7,200
Drivetrain
4x4
Cab Type
Crew
Vehicle Trim
Crew Cab, Short Bed, AT4, 4WD
Vehicle VIN
1GTUUEE86TZ515117
Interior Color
Jet Black w/Kalahari Accents
Seating Capacity
5
Exterior Color Description
Summit White
Engine Cylinder Count
6
Engine
Duramax 3.0L Diesel Turbo I6 305hp 495ft. lbs.
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
LZ0
Engine Size (L)
3.0
Vehicle Options
Alternator Type: Alternator
Battery type: Heavy-duty lead acid battery
Battery run down protection
Radiator
Start-stop engine: Auto stop-start engine
Powertrain type: ICE
Drive type: Four-wheel drive
Traction control: All-speed ABS and driveline traction control
Suspension ride type front: Independent front suspension
Suspension type front: Short and long arm front suspension
Front anti-roll: Front anti-roll bar
Springs front: Front coil springs
Suspension ride type rear: Rigid axle rear suspension
Springs rear: Rear leaf springs
Rear Springs: Regular grade rear springs
Speed sensitive steering: Speed sensitive power steering
Steering: Electric power-assist steering system
Steering type: Rack-pinion steering
Ventilated brakes: Front and rear ventilated disc brakes
ABS Brakes: Four channel ABS brakes
Electronic parking brake
Suspension type rear: Leaf spring rear suspension
Tailpipe: Stainless steel dual exhaust with chrome tailpipe finisher
Locking hub control: Auto locking hub control
Electronic stability control: StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
Brake type: 4-wheel disc brakes
ABS Brakes: 4-wheel antilock (ABS) brakes
Headlight type: Projector beam headlights
Headlights: LED low and high beam headlights
Auto headlights: Auto on/off headlight control
Running lights: LED daytime running lights
Multiple headlights: Multiple enclosed headlights
Delay off headlights: Delay-off headlights
High mount stop light: High mounted center stop light
Price includes all dealer fees. Excludes taxes, title, registration, and license fees.
Vehicle available NOW in Tustin, CA.
Contact Tustin Buick GMC for more info.
Disclaimer:
*Net Price includes a Factory Rebate available to all, if applicable, on this vehicle and is valid on a cash or financed purchase only by an individual for their personal use. The net price does not apply to a lease. Some Factory Rebates are California Resident specific and may vary for residents of other states. We Only Provide 4 Gallons of Gas at Purchase. 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. Price includes $85 Doc Fee, $37 electronic registration fee, and any emission testing charge. Price does not include government fees and taxes, any finance charges, and $1.75 per new tire state tire fee. All vehicles are subject to prior sale. 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. Leasing & financing available on approved credit. Trade-ins accepted. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details. 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. *EPA-estimate metric: these are contingent on ideal conditions within a lab. Real-world situations such as carrying passengers or cargo, using climate control, driving style, and ambient temperatures can affect actual metrics.