- GM CERTIFIED PRE OWNED- GM CPO WARRANTY- AT4 EDITION- 6.6 LITER V8 ENGINE- 4 WHEEL DRIVE- CREW CAB- LEATHER INTERIOR- APPLE CARPLAY- SATELITTE RADIO- 4427 EAST STREET ROAD- TREVOSE PA 190532023 GMC Sierra 2500HD AT4 Ebony Twilight Metallic GMC Certified Pre-Owned Certified, 6-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 18 Machined Aluminum Wheels, 2 USB Ports, 2 USB Ports (1st Row), 2nd Row Dual USB Charge-Only Ports, 2-Speed Active Transfer Case, 3.73 Rear Axle Ratio, 4.2 Diagonal Color Display Driver Info Center, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: body-color, Compass, Compass Located In Instrument Cluster, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Emergency communication system: OnStar and GMC connected services capable, Floor-Mounted Center Console, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Prem Floor Liners w/Removable Carpet Insert, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Connected Access Capable, HD Rear Vision Camera, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver & Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Hill Descent Control, Hitch Guidance w/Hitch View, Illumina