This 2015 GMC Sierra 2500HD Denail 4x4 crew cab is finished in Summit White over black leather. Originally a Z71 Off-Road truck, much of the suspension has been replaced with modified components. Options include the Duramax Plus package and Driver Alert Package, and the truck shows just under 7,900 miles at the time of listing. This modified 2500HD Denali is being sold on consignment by Exotic Car Trader with a clean title and a clean Carfax.
Exterior and Interior
This 2015 GMC Sierra 2500HD sports an extensive list of exterior modifications, from AMP Research power side steps and Bushwacker fender flares to a Cognito leveling kit and lift with Fox shocks and custom white powdercoating. 24" Fuel wheels and 38" Nitto tires ride beneath, and Rigid Industries LED lights adorn the color-matched grille and front bumper. Tinted tail lights, custom badges, a Line-X spray-in bedliner, and an 8" chrome exhaust tip round out the exterior modifications. The Summit White paint is noted to be in excellent condition. The cabin features an 8” Bluetooth infotainment system and upgraded luxury materials as part of the Denali trim level. This 2500HD Denali is optioned with heated and cooled front seats trimmed in perforated leather. Another option is the Driver Assist Package which adds Lane Departure Warning, Forward Collision Alert, Front and Rear Park Assist, and a vibrating Safety Alert Seat on the driver’s side. A myriad of USB ports, cigarette ports, and a household three-prong outlet are found below the center controls. The digital odometer displays 7,886 miles at the time of documentation.
Engine
Under the hood lies a 6.6-liter Duramax diesel V8 producing 397 horsepower and 765 lb-ft of torque channeled to all four wheels through an Allison 6-speed automatic transmission. Fittingly for such a high amount of torque, this 2500HD has been fitted with Nathan AirChime K5 genuine locomotive horns and a VIAIR 5 Gallon 4 Port 150 PSI air tank. An AFE cold air intake and a custom tune round out the truck’s modifications.
This 1973 GMC C1500 Sierra Grande Long Bed combines classic square-body styling with the kind of big-block power that makes these early GM trucks especially appealing to enthusiasts. Showing approximately 39,376 miles, this example is powered by a 454ci big-block V8 paired with a Turbo-Hydramatic 3-speed automatic transmission and rear-wheel drive. Finished in a striking Orange & White two-tone exterior with a Black interior, it also brings together desirable comfort and usability features including power steering, power brakes, and air conditioning. With its long-bed configuration, upgraded dual exhaust, and period Sierra Grande trim details, this GMC delivers both vintage truck character and strong cruising appeal.
The 2023 GMC Yukon Denali Ultimate sits at the top of the Yukon range, blending full-size SUV capability with a level of luxury and technology that pushes well beyond the traditional truck-based formula. Showing just 22,413 miles and offered by its original owner, this example is finished in Onyx Black over an Alpine Umber full-grain leather interior and powered by a 6.2L naturally aspirated ECOTEC3 V8 paired with a 10-speed automatic transmission and 4WD. Its specification reads like a highlight reel: Super Cruise, Magnetic Ride Control, Air Ride Adaptive Suspension, an electronic limited-slip differential, 22-inch machined wheels, a power panoramic sunroof, rear-seat media, 16-way power front seats with massage, and an 18-speaker Bose Performance Series sound system. It is the kind of SUV built to handle long highway trips, family duty, towing, and everyday commuting without giving up the comfort, road presence, or performance expected from a flagship Denali.
Built to tackle the toughest jobs of its era, the 1968 GMC C3500 represents a time when durability and simplicity defined American heavy-duty trucks. Today, examples like this have become increasingly sought after thanks to their unmistakable styling and endless versatility. Showing 108,258 miles, this C3500 has been tastefully customized with a rugged flatbed while retaining its hardworking character. Power comes from a 350ci V8 backed by a 4-speed manual transmission, making it equally at home hauling equipment, attending truck shows, or serving as a standout addition to any vintage collection.
Square-body GMC pickups have become some of the most sought-after American trucks of the modern collector era, appreciated for their clean styling, durable mechanicals, and everyday usability. This 1988 GMC Sierra K1500 represents the final years of the iconic square-body design and offers the rugged simplicity that enthusiasts continue to seek. Showing approximately 141,863 miles, this truck is finished in Dark Carmine over a Red interior, a period-correct color combination that gives it an unmistakable late-1980s presence. Equipped with a dependable 5.7L V8, four-wheel drive, and several tasteful upgrades, this Sierra is equally at home as a weekend cruiser, local show truck, or dependable classic pickup.
Classic pickup trucks have become some of the most popular foundations for custom builds, and this 1946 GMC EC101 Restomod Pickup is an excellent example of why. Retaining the timeless styling that made post-war GMC trucks iconic while incorporating modern drivability and comfort, this professionally customized pickup offers the best of both worlds. Showing approximately 3,666 miles, this truck is finished in a striking Brandywine and Black two-tone exterior over a Beige interior. Highlights include a custom paint job, Dakota Digital instrumentation, Vintage Air climate control, a reupholstered cabin, custom running boards, and a dependable V8 powertrain, creating a unique classic that is equally suited for local cruise nights and weekend drives.
This 2024 GMC Yukon Denali Ultimate H650 takes GMC’s already ultra-premium full-size SUV and elevates it into something far more exclusive through Hennessey Performance engineering. Showing 35,527 miles, this Onyx Black example combines the luxury and technology of the Denali Ultimate trim with the added performance of the Hennessey H650 package, transforming this family hauler into a 650-horsepower supercharged SUV. With a Whipple supercharger system, upgraded engine components, HPE calibration, and a throaty MagnaFlow exhaust system, this Yukon delivers the kind of straight-line performance few full-size SUVs can match while still retaining its exceptional comfort and long-distance usability. Finished in a sophisticated Onyx Black over Alpine Umber specification, this H650 offers an ideal blend of understated luxury and high-performance capability.
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