About This GMC Sierra Denali
This 2021 GMC Sierra Denali is a luxury-performance pickup finished in Silver Steel Metallic with a black interior, extensively upgraded by Hennessey Performance.
Powertrain & Performance:
6.2-liter V8 upgraded with Hennessey Goliath 650 Package
2.9L Whipple supercharger
Chromoly hardened pushrods
High-flow intercooler and induction system
HPE engine management calibration
517 horsepower and 525 lb-ft of torque (dyno confirmed)
10-speed automatic transmission
2-speed transfer case with rear- or all-wheel drive
Brembo performance brakes front and rear
Exterior Features & Modifications:
22-inch wheels with Bridgestone Alenza tires
CarbonPro composite bed
Auto-locking rear differential
Bakflip hard tonneau cover
Hennessey exterior badging, Goliath 650 badges
Illuminated grille badge and puddle lights
Interior & Comfort:
Ultimate, Denali, and Trailering Packages
Leather upholstery with heated and ventilated front seats
Heated second-row seats
Heated leather-wrapped steering wheel
Power sunroof and MultiPro power steps
Bose audio system with Kicker in-bed tailgate speakers
Console vault in-vehicle safe
Digital instrument cluster, wireless charging pad
Driver Assistance & Safety:
HD surround vision camera system
Forward collision alert, lane keep assist, and automatic emergency braking
Front pedestrian braking, auto high beams
Adaptive cruise control with follow distance indicator
StabiliTrak with trailer sway control and hill start assist
Summary:
This Sierra Denali combines Hennessey's supercharged high-performance upgrades with GMC's premium Denali luxury features, delivering track-capable performance, towing capability, and top-tier comfort. The truck is ready for both spirited driving and practical utility while standing out with Hennessey-exclusive badges and engineering.
Interested in This Vehicle?
Complete the form below and we'll reach out promptly with more information.