Offered for sale out of Gaston, South Carolina, this 2017 GMC Sierra 2500HD Denali pairs its factory luxury features with a professionally built drivetrain and purpose-driven modifications. Finished in Stone Blue Metallic over a refined interior with Oblique Hanon Oak Wood Tone trim and camouflage seat covers, it’s powered by a 6.6L L5P Duramax diesel V8 mated to a Suncoast 1000hp transmission and a custom twin-turbo setup—one of only ten systems built for this platform. It rides on a Cognito lift kit with Fox shocks and rolls on 22” Fuel Avenger wheels wrapped in 35” Nitto tires. A full-featured Warn winch, Fab Fours armor, Diamondback HD bed cover, and B&W gooseneck hitch make it ready for work and play, while a $15K integrated stereo system and 10" Stinger touchscreen raise the bar for in-cabin tech.

The truck is being sold with a clean title in the seller’s name and a clean CARFAX confirming two-owner, accident-free history. Learn more, make an offer, or inquire today.

• Powertrain: Twin-Turbo L5P Duramax with Built SunCoast Transmission This Denali’s 6.6L L5P Duramax V8 is fitted with one of only 10 custom twin-turbo kits ever built for the platform, paired with a tuned ECM to deliver an estimated 800 horsepower. A brand-new SunCoast 1000HP-rated transmission (with fewer than 100 miles) handles the power, backed by a 62-gallon S&B tank and Warn 16K synthetic winch to match real-world readiness with show-stopping force.
• Exterior: Cognito Lift, Fab Fours Bumpers, and Diamondback Armor Finished in Stone Blue Metallic, the exterior is fitted with Cognito suspension, Fab Fours “Grumper” and rear bumper (both freshly repainted), AMP power steps, and 22" Fuel Avenger wheels wrapped in 35" Nitto rubber. Front and rear Rigid LED lighting, Factor 55 recovery gear, a headache rack, and a B&W gooseneck hitch round out this ultra-capable exterior package.
• Interior: Camouflage Covers, Hanon Oak Accents, and Custom-Tuned Audio The cab features camouflage seat covers over factory Denali seats, Hanon Oak woodgrain trim, and a full cabin sound-deadening treatment. A 10" Stinger touchscreen paired with a custom-tuned audio system and digital processor is fully integrated with factory functions—delivering a $15,000 listening experience that doesn’t compromise OEM utility.
• Proven Ownership & Title Status: This truck comes with a clean South Carolina title in the seller’s name and a clean two-owner CARFAX with no accidents or mileage discrepancies. It has been properly maintained, garage-kept, and stored under cover while in regular use.