2013 GMC Sierra 2500HD Denali 4WD Duramax Diesel Allison 1000 Luxury HD Onyx Black | Southern Utah

If youre looking for a serious heavy-duty diesel truck that combines massive towing power with true luxury, this 2013 GMC Sierra 2500HD Denali 4WD in Onyx Black belongs at the top of your list.

Powered by the legendary 6.6L Duramax turbo-diesel V8 and paired with the bulletproof Allison 1000 6-speed automatic, this Sierra HD is built to tow, haul, and work hardwhile the Denali trim delivers premium comfort for long drives and daily use across St. George, Cedar City, Hurricane, Kanab, and all of Southern Utah.

Why this Sierra 2500HD Denali is such a smart buy:

Legendary 6.6L Duramax diesel (known for longevity & torque)

Allison 1000 transmission industry benchmark for towing

True 4WD for snow, dirt roads & job sites

Denali trim = top-tier luxury in a heavy-duty truck

Exceptional towing & payload capability

Refined, quiet ride for an HD pickup

Strong resale value in the diesel market

Ideal for RVs, trailers, equipment & ranch work

Performance & Capability

6.6L Duramax Turbo-Diesel V8

Allison 1000 6-Speed Automatic Transmission

4WD / Four-Wheel Drive

Heavy-duty HD chassis engineered for serious work

Built to pull 10,000 lbs with confidence and control.

Denali Features Buyers Expect:

Ebony Leather Interior

Heated & Ventilated Front Seats

Power Driver & Passenger Seats with Memory

Premium Bose Audio System

Navigation

Dual-Zone Automatic Climate Control

Backup Camera

Remote Start

Power Adjustable Pedals

Chrome Denali Exterior Accents

Stability & Traction Control

Integrated Trailer Brake Controller

Tow/Haul Mode

What the experts say:

Kelley Blue Book:

If you require a vehicle that can transport over 10,000 pounds without breaking a sweat, the 2013 GMC Sierra HD deserves a spot on your short list. Furthermore, most prospective HD truck buyers who place a premium on luxury will find the Sierra HD Denali worth springing for.

Edmunds:

Impressive hauling and towing capabilities; refined and quiet ride; solid build quality; responsive steering.

Compared to similar HD trucks:

Buyers cross-shopping:

Ram 2500 Laramie / Limited

Ford F-250 King Ranch / Platinum

Chevrolet Silverado 2500HD LTZ

often choose the Sierra 2500HD Denali because it offers:

Proven Duramax Allison reliability

Smoother ride for long distances

Luxury features without sacrificing capability

Excellent long-term diesel resale value

Popular searches this truck matches:

2013 GMC Sierra 2500HD Duramax for sale

GMC Sierra Denali diesel

Allison 1000 Duramax truck

Heavy duty diesel truck in St George UT

Luxury HD pickup

Schedule Your Test Drive

Options:

Heavy-Duty Handling/Trailering Suspension Package

7 Speakers

AM/FM radio: SiriusXM

CD player

Radio data system

Radio: AM/FM Audio System w/Navigation

Radio: AM/FM Stereo w/MP3 Compatible 6CD Player

SIRIUSXM Satellite Radio

USB Port

Air Conditioning

Automatic temperature control

Front dual zone A/C

Rear window defroster

12-Way Power Driver Seat Adjuster

12-Way Power Front Passenger Seat Adjuster

Memory seat

Pedal memory

Power driver seat

Power Rear Sliding Window

Power steering

Power windows

Remote keyless entry

Steering wheel mounted audio controls

Traction control

4-Wheel Disc Brakes

ABS brakes

Dual front impact airbags

Dual front side impact airbags

Emergency communication system: OnStar Directions & Connections

Front anti-roll bar

Front wheel independent suspension

Low tire pressure warning

Overhead airbag

Power Sunroof

730 CCA Heavy-Duty Dual Battery

Brake assist

Electronic Stability Control

Exterior Parking Camera Rear

Delay-off headlights

Front fog lights

Fully automatic headlights

Aluminized Stainless-Steel Muffler & Tailpipe

Panic alarm

Security system

Speed control

Engine Block Heater

Exhaust Brake

6" Oval Chromed Tubular Assist Steps

Auto-dimming door mirrors

Bodyside moldings

Bumpers: body-color

Heated door mirrors

Power door mirrors

Rear step bumper

Turn signal indicator mirrors

Adjustable pedals

Auto-Dimming Inside Rear-View Mirror

Auto-dimming Rear-View mirror

Compass

Denali Decor

Driver door bin

Driver vanity mirror

Front reading lights

Garage door transmitter

Heated steering wheel

Illuminated entry

Leather steering wheel

NavTraffic

Outside temperature display

Overhead console

Passenger vanity mirror

Rear reading lights

Rear seat center armrest

Tachometer

Tilt steering wheel

Trip computer

Voltmeter

Front Bucket Seats

Front Center Armrest

Front Power Full-Feature Reclining Bucket Seats

Heated & Cooled Driver & Front Passenger Seats

Heated front seats

Perforated Nuance Leather-Appointed Seat Trim

Power passenger seat

Split folding rear seat

Ventilated front seats

Passenger door bin

18" Forged Polished Aluminum Wheels

20" Forged Polished Aluminum Wheels

Alloy wheels

Variably intermittent wipers

3.73 Rear Axle Ratio