Available for auction is this 2017 GMC Sierra Denali Callaway SC560 SportTruck finished in Summit White over a Cocoa leather interior. Specializing in high-performance conversions of GM vehicles, Callaway Cars is best known for creating the Sledgehammer Corvette which achieved speeds of over 250 MPH in 1988. This 2017 Sierra Denali features Callaway’s SC560 package which includes their GenThree intercooled supercharger as well as their Le Mans GT brake package, 22” ten-spoke wheel package, and more. In addition to its upgrades, this Sierra came factory equipped with an array of premium features including LED exterior lighting, a Bose audio system, heated and ventilated leather front bucket seats, an 8” customizable driver display, and more. Remaining part of the original owner's collection in New York, this SC560 SportTruck is now being offered for auction showing under 10k miles on the odometer.
This 2017 Sierra Denali comes finished in Summit White and features unique Callaway badging and the signature Denali chrome grill. Additional features include LED headlights, fog lights, and taillights, front recovery hooks, a remote locking tailgate, a polished exhaust outlet, and power side steps. It rides on a set of Callaway 22” ten-spoke black chrome wheels dressed in Michelin tires.
The cabin is upholstered in Cocoa leather and highlighted by a pair of power-adjustable heated and ventilated front bucket seats with driver position memory. Amenities include a power sliding rear window, dual-zone automatic climate control, power-adjustable pedals, a leather-wrapped heated steering wheel, a Bose audio system, and an 8” touch screen infotainment system with Apple CarPlay. Callaway upgrades include embroidered floor mats, special badging, the Sport Pedal package, and the SportTruck sill panel kit.
Power comes from an EcoTec3 L86 6.2L V8, which has been equipped with Callaway’s GenThree intercooled supercharger, the Honker Air Inlet System, and a Low Restriction Exhaust System. According to Callaway, the SC560 SportTruck is capable of producing up to 560 HP and 533 lb-ft of torque. The engine bay features a carbon fiber cover and a special plaque displaying the VIN number. Power is delivered to the rear or all four wheels by way of an 8-speed automatic transmission and a 2-speed Autotrac transfer case. Stopping power is provided by Callaway’s Le Mans GT braking package which adds front and rear 6-piston calipers as well as two-piece 380mm front rotors and single-piece 380mm rear rotors. Additional performance features include Hill descent control, an automatically locking rear differential, and magnetic ride control. The CARFAX includes four maintenance entries dating back to 2018, and the seller confirms there are no outstanding service items at this time.
This sale will include a clean title and a Callaway certificate of authenticity.