2021 GMC Sierra 3500HD Denali Duramax 4x4 — Fully Built Luxury Tow / Overland Rig — 58k Miles

Asking $79,900 OBO

Selling my 2021 GMC Sierra 3500HD Denali Crew Cab 4x4 with the 6.6L Duramax Turbo Diesel and 10-speed automatic transmission. Onyx Black with Jet Black Denali leather interior. Approximately 58,000 original miles.

This truck has approximately $120,000 invested between the original purchase, dealer-installed accessories, and professional aftermarket upgrades. I am still totaling receipts and service records.

This is not a basic work truck. It is a fully built luxury diesel tow rig / overland-style truck set up for towing, road trips, camping, hunting, fishing, construction, and long-distance travel.

Factory Denali / Ultimate features include:

• 6.6L Duramax Turbo Diesel

• 10-speed automatic transmission

• 4WD

• Denali Ultimate Package

• Technology Package

• Driver Alert Packages

• Head-Up Display

• HD Surround Vision

• Bed View Camera

• Rear Camera Mirror

• Integrated trailer brake controller

• Trailering Package

• Trailer tire pressure monitor sensors

• Camper wiring provisions

• MultiPro tailgate

• Spray-in bed liner

• Sunroof

• Heated and ventilated front seats

• Heated rear seats

• Heated steering wheel

• Power sliding rear window

• Skid plates

• 220-amp alternator

Professional upgrades include:

• EVA structural camper shell with flip-up side doors

• DECKED bed drawer system with two drawers and dividers

• Roof rack

• Axe holder and shovel holder

• HornBlasters “Conductor’s Nightmare” train horn system with onboard air compressor

• Cell phone booster

• Tinted windows

• Ranch Hand front bumper

• Ranch Hand rear bumper

• Ranch Hand running boards

• Front off-road LED light bar

• Custom blue paint accents

• Custom dealer-installed wheels

• Brand-new Nitto Grappler G3 tires

• Chrome blacked out with wrap

• Airbag towing / ride-softening system with remote

• RV/trailer hitch setup with sway bars

• 3-inch Rough Country lift kit

• Rough Country reservoir shocks

• Compustar security system with key fobs, including camper shell security

• Two brand-new batteries

All major work was completed by professional shops. Maintenance and service have been handled through Chevy/GMC. Remaining warranty, if applicable, can be verified through GM records.

This is a serious high-end Duramax Denali build for someone who wants the luxury, towing capability, diesel power, security, storage, camper-shell setup, and overland-style upgrades already done.

Serious buyers only. Clean, professionally built, high-end truck.