Heated/Cooled Leather Seats, Nav System, Bed Liner, Premium Sound System, Back-Up Camera, 4x4, Turbo Charged Engine, Aluminum Wheels, ENGINE, DURAMAX 6.6L TURBO DIESEL V8, B20-DIESEL COMPATIBLE, DRIVER ALERT PACKAGE, Hitch SEE MORE!<br /><br />KEY FEATURES INCLUDE<br />Leather Seats, 4x4, Heated Driver Seat, Cooled Driver Seat, Back-Up Camera, Premium Sound System, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C, WiFi Hotspot, Heated Seats, Heated Leather Seats, Heated/Cooled Seats Keyless Entry, Privacy Glass, Steering Wheel Controls, Alarm, Electronic Stability Control. <br /><br />OPTION PACKAGES<br />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. TRANSMISSION, ALLISON 1000 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive, electronic engine grade braking and tow/haul mode, DRIVER ALERT PACKAGE includes Lane Departure Warning, Forward Collision Alert, and Safety Alert Seat, LPO, CARGO BOX RETRACTABLE SIDE ASSIST STEP, AUDIO SYSTEM, 8 DIAGONAL COLOR TOUCH SCREEN NAVIGATION WITH INTELLILINK, AM/FM/SIRIUSXM WITH USB PORTS auxiliary jack, SD card slot, Bluetooth® streaming audio for music and most phones, hands-free smartphone integration, Pandora Internet radio and voice-activated technology for radio and phone (STD). GMC Denali with ONYX BLACK exterior and COCOA / DUNE DENALI interior features a 8 Cylinder Engine with 397 HP at 3000 RPM*. <br /><br />EXPERTS CONCLUDE<br />The 2015 GMC Sierra 2500HD manages to provide a comfortable ride along with its strong work capacity, thanks to its stiff frame and a suspension that can not only handle higher loads but also smooth out rough roads. -Edmunds.com. <br /><br />AFFORDABLE TO OWN<br />This Sierra 2500HD is priced $500 below J.D. Power Retail. Approx. Original Base Sticker Price: $56,600*. <br /><br />VISIT US TODAY<br />Here at Colonial Buic