Disclaimer:
New vehicle pricing includes all offers and incentives. Title, tax, registration, document, and other required government fees, and, where applicable, set up and predelivery inspection fees, are not included in vehicle prices and estimated payment amounts shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at (208) 388-4400 or by visiting us at the dealership.
**With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 5.9% 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 have the same MSRP.©2026. Dennis Dillon FIAT. All Rights Reserved.
While great effort is made to ensure the accuracy of the information on this site, errors can occur. Please verify all pricing and installed equipment information with a customer service representative. This is easily done by calling us or visiting us at the dealership.
Customer may not qualify for ALL Rebates shown. Some rebates are stackable and others can and cannot be combined. See Dealer For Complete Details.
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Experience the ultimate in capability and comfort with the 2025 GMC Sierra 2500HD AT4. This powerful truck is equipped with a robust 6.6L V8 engine and 10-speed automatic transmission, delivering the performance you need for any task.
- DENNIS DILLON DEAL
- LPO, CARGO TIE-DOWN RINGS, SET OF 4
- Onyx Black
- Black
- ENGINE BLOCK HEATER
- AT4 PREMIUM PLUS PACKAGE
- TRAILER TIRE PRESSURE MONITOR SENSORS
- TRAILERING WIRING PROVISIONS, FOR TRAILERING, 5TH WHEEL AND GOOSENECK TRAILER
- LPO, FRONT AND REAR MOLDED SPLASH GUARDS, BLACK
Step into the refined and well-appointed interior, featuring premium Bose audio, dual-zone climate control, and a suite of advanced technology. Enjoy the convenience of keyless entry, remote start, and a customizable head-up display.
The Sierra 2500HD AT4 is engineered for off-road capability with its high-clearance suspension, skid plates, and electronic locking rear differential. Tow with confidence using the integrated trailer brake controller and trailering camera system.
Elevate your driving experience with the 2025 GMC Sierra 2500HD AT4. Schedule a test drive today and discover the uncompromising power and versatility this truck has to offer.
Family owned and operated for over 50 years!