Disclaimer: We will make our best efforts that posted prices are always accurate however, we are not responsible for any typographical or other errors that may appear on the site. If the posted price for a vehicle or service is incorrect due to a typographical or other error, such as data transmission, etc., this Dealership or Pixel Motion, Inc. are only responsible for the correct price, which will be provided as soon as we are made aware of such error(s). Ultimately, it is your responsibility to ensure that the information is 100% accurate with the Dealer. Posted vehicle images and descriptions on our website is representative to what is provided by our suppliers. Please note that the actual vehicle may slightly differ from its specifications and/or images. The Dealership is not responsible for any typographical, pricing, product specifications, advertising or shipping errors. Advertised prices and availability are subject to change without notice. In the event a vehicle is posted at an incorrect price due to these errors, or if an error in pricing was received from our suppliers, the Dealership reserves the right to refuse and/or cancel these orders.
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.
We improve our products and advertising by using Microsoft Clarity to see how you use our website. By using our site, you agree that we and Microsoft can collect and use this data. Our privacy statement has more details.
Save your favorite vehicles for later viewing on your desktop or mobile devices.
Keep track of all the vehicles you've viewed for a better car shopping experience.
Narrow your search by comparing your favorite vehicles.
Onyx Black exterior and Jet Black interior. Heated/Cooled Leather Seats, Nav System, Bed Liner, Premium Sound System, Running Boards, Back-Up Camera, 4x4, Turbo Charged Engine, Chrome Wheels, ENGINE, DURAMAX 6.6L TURBO DIESEL V8, B20-DIESEL COMPATIBLE, AUDIO SYSTEM, 8 DIAGONAL COLOR TOUCH SCREEN NAVIGATION WITH INTELLILINK, AM/FM/SIRIUSXM, HD RADIO, SEATS, FRONT FULL-FEATURE LEATHER-APPOINTED BUCKET WITH (KA1) HEATED SEAT CUSHIONS AND SEAT BACKS. DRIVER ALERT PACKAGE, TRANSMISSION, ALLISON 1000 6-SPEED AU... ENGINE, DURAMAX 6.6L TURBO DIESEL V8... AUDIO SYSTEM, 8 DIAGONAL COLOR TOUCH... SEATS, FRONT FULL-FEATURE LEATHER-APP... Hitch.
KEY FEATURES INCLUDE
4x4, Cooled Driver Seat, Back-Up Camera, Running Boards, Premium Sound System GMC Denali with Onyx Black exterior and Jet Black interior features a 8 Cylinder Engine with 397 HP at 3000 RPM*.
OPTION PACKAGES
ENGINE, DURAMAX 6.6L TURBO DIESEL V8, B20-DIESEL COMPATIBLE (397 hp [296.0 kW] @ 3000 rpm, 765 lb-ft of torque [1032.8 N-m] @ 1600 rpm) Includes (K40) exhaust brake and (K05) engine block heater. DRIVER ALERT PACKAGE includes (UFL) Lane Departure Warning, (UEU) Forward Collision Alert, and Safety Alert Seat, SEATS, FRONT FULL-FEATURE LEATHER-APPOINTED BUCKET WITH (KA1) HEATED SEAT CUSHIONS AND SEAT BACKS. Includes 12-way power driver and front passenger seat adjusters, including 4-way power lumbar control, 2-position driver memory, adjustable head restraints, (D07) floor console and storage pockets and (K4C) wireless charging (STD), AUDIO SYSTEM, 8 DIAGONAL COLOR TOUCH SCREEN NAVIGATION WITH INTELLILINK, AM/FM/SIRIUSXM, HD RADIO with USB ports, auxiliary jack, Bluetooth streaming audio for music and most phones, advanced phone integration featuring Apple CarPlay, Pandora Internet radio and voice-activated technology for radio and phone (STD), TRANSMISSION, ALLISON 1000 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive, electronic engine grade braking and tow/haul mode.
EXPERTS ARE SAYING
KBB.coms review says As a boulevard cruiser, the big Sierra impresses with a spacious cabin plush beyond measure and well insulated from outside wind and road noise..
Pricing analysis performed on 10/29/2025. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.