2025 GMC Sierra 2500HD 4WD Crew Cab 159 AT4 — Duramax 6.6L V-8 diesel with intercooled turbo and Allison 10-speed automatic; class-leading torque and … Read More…
2025 GMC Sierra 2500HD 4WD Crew Cab 159 AT4 — Duramax 6.6L V-8 diesel with intercooled turbo and Allison 10-speed automatic; class-leading torque and highway efficiency for a heavy-duty workhorse. Recent price adjustments make now a smart time to secure this truck before inventory shifts — act soon to lock in current value.
<b>Preferred Equipment Group 4SB</b> delivers a stronger ride and standout styling: tuned Rancho gas-pressurized shocks sharpen control over rough roads while the dark chrome grille gives the Sierra a more commanding, premium presence.
Apple CarPlay and Android Auto wireless mirroring keep your apps, navigation and calls conveniently accessible without a tangle of cords, making every commute and job site run simpler and safer.
<b>Forward collision mitigation</b> continuously watches the road ahead and prepares the vehicle to intervene when a sudden stop occurs, helping reduce the chance or severity of a frontal crash.
<b>Front pedestrian impact prevention</b> adds extra awareness in busy environments by detecting pedestrians and taking preventative action if a collision appears likely, increasing confidence in urban driving.
An integrated <b>mobile hotspot</b> turns the Sierra into a rolling Wi‑Fi hub so passengers can stay connected on long trips or work remotely from the cab without draining personal data plans.
The <b>rear camera</b> gives a clear view behind the truck to simplify hitching, backing and parking maneuvers, reducing stress and helping avoid unseen obstacles.
<b>Adaptive cruise control</b> acts like an attentive co‑pilot on highways, automatically adjusting speed to maintain a safe following distance and reducing fatigue on long drives.
<b>Predictive brake assist</b> readies the braking system when closing distances become unsafe, helping ensure quicker, more effective stops when you need them most.
Combining the Duramax diesel’s heavyweight capability with thoughtful tech and safety features, this 2025 Sierra 2500HD AT4 balances rugged utility and everyday comfort. Whether you’re towing, hauling or heading across town, its blend of performance, convenience and confidence-inspiring systems make it a strong choice—don’t miss the current pricing opportunity.
<p>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 <strong>Tustin</strong> <strong>Santa Ana</strong>, <strong>Orange</strong>, <strong>Irvine,</strong> <strong>Villa Park</strong>, <strong>Anaheim Hills</strong>, <strong>Costa Mesa</strong>,<strong>Walnut, Costa Mesa, Huntington Beach, Garden Grove, Aliso Viejo, Laguna, Anaheim, Orange County, Lake Forest, Laguna Nigel, Laguna Hills</strong>and <strong>Newport Beach</strong></p> Read Less
Price above does not include any of the Build & Quote options.
Vehicle available NOW in Tustin, CA.
Contact Tustin Buick GMC for more info.
Disclaimer:
*Net Cost includes a Factory Rebate, if applicable, on this vehicle and is valid on a cash or financed purchase only by an individual for their personal use. The sale price or net cost does not apply to a lease. *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. *The Factory Rebates may not be available on this vehicle if you elect to take advantage of a Special Alternative APR or Special Lease program. 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. The price shown is for California residents and retail customers only. Not available to fleet or commercial customers (unless specified). Please contact us for special Multi-Vehicle or Fleet pricing. Prices are plus government fees and taxes, any finance charges, $85 documentary fee, $33 electronic registration fee, any emission testing charge 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. * The estimated selling price that appears after calculating dealer offers is for informational purposes, only. You may not qualify for the offers, incentives, discounts, or financing. 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.