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2020 GMC SIERRA 3500HD DENALI 4WD DURAMAX DIESEL ULTIMATE PKG ONYX BLACK LANCASTER PA
BIG POWER. BIG LUXURY. ZERO LIMITS.
This 2020 GMC Sierra 3500HD Denali 4WD in Onyx Black is the kind of truck that does it all and then some. 6.6L Duramax diesel, Denali Ultimate Package, full trailering setup, and loaded interior this is heavy-duty capability with luxury built right in.
If youre looking for a GMC Sierra 3500HD Duramax for sale near Lancaster, Harrisburg, York, or Reading Pennsylvania, this one is stacked.
6.6L DURAMAX DIESEL POWER
Under the hood is the legendary 6.6L Duramax Turbo Diesel paired with a 10-speed Allison transmission, delivering massive torque and effortless towing power.
Hook up a trailer, load it down, head up a grade this truck doesnt flinch.
With the Gooseneck/5th Wheel prep package and ProGrade trailering system, its fully set up for serious hauling.
DENALI ULTIMATE PACKAGE
This is where it separates itself.
You get premium leather seating, heated and ventilated front seats, heated rear seats, head-up display, and high-end finishes throughout.
It feels more like a luxury SUV inside than a work truck.
FULL TRAILERING TECH
This truck is loaded with HD Surround Vision with trailer views, hitch guidance with hitch view, trailer brake controller, and in-vehicle trailering app.
Towing becomes easier, safer, and way more controlled.
X31 OFF-ROAD PACKAGE
Equipped with X31 Off-Road, this Sierra adds off-road suspension, hill descent control, and skid protection, giving it capability beyond the pavement.
WORK + DAILY READY
Youve got everything you need spray-in bedliner, LED cargo lighting, power sliding rear window, remote start, and snow plow prep package.
Its built to work during the week and still be comfortable on the weekend.
ONYX BLACK DENALI STYLE
Finished in Onyx Black with chrome accents and signature Denali grille, this truck has that bold, high-end look that stands out everywhere.
Its clean, aggressive, and unmistakably Denali.
LOW MILES ADVANTAGE
With 24,394 miles below market average, this truck offers exceptional value and long-term life ahead.
WHY THIS SIERRA 3500HD
A 2020 GMC Sierra 3500HD Denali Duramax gives you maximum towing capability, luxury comfort, and advanced technology in one of the most capable trucks on the road.
Duramax torque. Denali luxury. Built for real work.
Available now at Mark Martin Motors in Lancaster, Pennsylvania, serving truck buyers across Lancaster, Harrisburg, York, Reading, and all of Central Pennsylvania.
NO HAGGLE PRICING - 106 POINT CERTIFIED INSPECTION FINANCING AVAILABLE NATIONWIDE - WE WELCOME YOUR TRADES NO PRICING GAMES WITH HIDDEN FEES! CALL US FOR YOUR OUT THE DOOR PRICE. Call Us Today @ 717-664-2222! We are located in Lancaster PA near Harrisburg and Philadelphia. Disclaimer: We do our best to make sure this information is accurate; however, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Mark Martin Motors.