New GMC Sierra 1500 for sale in Boise and Nampa, ID

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Vehicle prices below Manufacturer's Suggested Retail Price (MSRP) include factory rebates typically applicable to Customers in the western region and discounts for program qualifying financing. (Customers from most other regions may qualify for the same rebates.) To receive the lowest listed price, Customers must qualify for additional Dealer and Manufacturer programs. Not all Customers will qualify. Prices do not include taxes, license, title, or registration fees, or the $499.00 Dealer Doc fee. Contact us for an explanation of pricing terms and conditions. Prices are subject to inventory availability, Manufacturer program availability, and Dealer program applicability. Inventory is limited and subject to prior sale. Available offers and prices usually change after month-end. We welcome all types of Trade Ins, whether they be vehicles or goods. Nothing that eats though please. We frequently confirm all information is accurate, but errors occur, so please call to confirm pricing and program applicability. Dealer is not responsible for clerical errors. **With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 4.9% interest and 20% downpayment. At Dennis Dillon we are so confident in our "Guaranteed Best Pricing" we will beat any price by $500 based on the following guidelines: • Vehicles must be new and have the same MSRP. • Vehicles must be the same Year, Make, Model, and have the same equipment. • Customer must have a purchase agreement signed and dated by a sales manager from the competing dealer. • Customer information and incentive eligibility must be the same as used in the competing offer. • Deal must be finalized in the same calendar month as the date of the signed purchase agreement from the competing dealer. • Demonstrators, service loaners, commercial and government fleet vehicles, limited production vehicles, special model vehicles (determined at the Dealership's sole discretion), and vehicles with over 200 miles do not qualify for this policy. • Dennis Dillon must have the right to purchase the vehicle from the competing dealer. • This offer applies to the new vehicle price after applicable incentives, and does not include accessories, trade-allowance, or any other item affecting the final sale price. • This offer applies to the vehicle price only, and does not include accessories, protections, dealer doc fee, taxes, registration, or title fees. *Best pricing is offered at the Dealership's sole discretion and is subject to change at any time without prior notice. The Dealership reserves the right to refuse to offer best pricing at any time, to any customer, for any vehicle. Please contact the Dealership if you have questions about our best pricing policy.

New GMC Sierra 1500 for Sale in Boise and Nampa, ID

The 2025 GMC Sierra 1500 is now available at Dennis Dillon GMC in Boise. This rugged pickup truck combines commanding performance with adept modern technology to keep you connected and in control on the road, at work, or on backwoods trails. With eight trims, the Sierra 1500 offers a pickup truck experience tailored to your personality.

Performance

The 2025 Sierra 1500 offers a range of advanced engines to tackle any task with ease. The available 6.2-liter V8 makes 420 horsepower and 460 pound-feet of torque, providing ample power for confident acceleration and effortless towing. For those seeking maximum efficiency without sacrificing capability, the three-liter Duramax Turbo-Diesel redefines expectations with 305 horsepower and a staggering 495 pound-feet of torque. Paired with  your choice of 2WD or 4WD, the Sierra 1500's powertrains are engineered to excel in every situation.

Off-Road Confidence

When the pavement ends, the AT4 and AT4X trims take the Sierra 1500's capability to new heights. Standard 4WD, off-road suspension, and 18-inch wheels wrapped in Goodyear Wrangler DuraTrac tires provide the traction and control to navigate challenging conditions with ease. Skid plates protect vital components from damage, while increased ground clearance and optimized approach and departure angles ensure you can tackle even the most demanding obstacles. The AT4X turns up the intensity with front and rear e-locking differentials, Multimatic DSSV spool-valve dampers, and an advanced two-speed transfer case for unparalleled off-road performance.

Towing and Hauling Chops

The 2025 GMC Sierra 1500 is built to handle your toughest towing and hauling tasks with confidence. With a maximum towing capacity of up to 13,300 pounds, the Sierra 1500 makes light work of pulling boats, campers, and heavy equipment. The available ProGrade Trailering System features an in-vehicle trailering app, trailer tire pressure and temperature monitoring, and trailer light test function, ensuring you're always in control. Inside the bed, the MultiPro Tailgate offers six versatile functions for easier loading, unloading, and accessing your cargo. With a maximum payload capacity of 2,530 pounds, the Sierra 1500 is ready to take on the most demanding tasks.

The Denali Trim

At the peak of the Sierra 1500 lineup, the Denali and Denali Ultimate trims offer an uncompromising blend of capability and craftsmanship. From the MultiPro tailgate and Bose premium sound system to the perforated Forge leather-appointed seats, every aspect of the Denali is designed to elevate your driving experience. The Denali Ultimate takes it further with an even more refined interior, power assist steps, and the advanced Super Cruise hands-free driving system for compatible roads.

Technology

The 2025 Sierra 1500 brings GMC's latest innovations along for a ride. Standard GMC Pro Safety includes automatic emergency braking, lane keep assist with lane departure warning, front pedestrian braking, and IntelliBeam auto high beams. Available blind spot monitoring, rear cross-traffic alert, and adaptive cruise control provide added peace of mind in challenging driving situations. The available Technology Package adds a HD surround vision camera for a bird's-eye view of your vehicle, a rear camera mirror for an unobstructed view behind you, and a 15-inch multi-color head-up display that projects critical information onto the windshield.

Inside the cabin, the 13.4-inch infotainment system with wireless Apple CarPlay and Android Auto compatibility ensures seamless smartphone integration, while the available Wi-Fi hotspot keeps you connected even in remote locations. Wireless charging and multiple USB ports throughout the cabin keep your devices powered up and ready to go.

Conquer Your World in a GMC Sierra 1500

Experience the 2025 GMC Sierra 1500 for yourself at Dennis Dillon GMC in Boise. In addition to the Sierra 1500, we have a large inventory of new GMC vehicles. Once you find a vehicle that you like, our finance center will help you secure financing. Our commitment to our customers does not stop there, once you drive off the lot, our service center is here to keep your vehicle in top shape. Visit our conveniently located dealership in Boise, or contact us today.

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  1. Dennis Dillon GMC

    2495 S ORCHARD
    BOISE, ID 83705

    • Sales: (208) 336-6000
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Get in Touch

  • Contact our Sales Department at: (208) 336-6000
  • Monday9:00 am - 8:00 pm
  • Tuesday9:00 am - 8:00 pm
  • Wednesday9:00 am - 8:00 pm
  • Thursday9:00 am - 8:00 pm
  • Friday9:00 am - 8:00 pm
  • Saturday9:00 am - 7:00 pm
  • Sunday11:00 am - 6:00 pm