Pre-Owned 2021 GMC Sierra 2500 AT4

  • VIN: 1GT19PEY8MF124022
  • Stock: P3429

Disclaimer:

Selling Price applies to in-stock units only and excludes tax, tag, and other governmental fees and customer-selected options. In order to receive the selling price, you must bring in this advertisement and have the price referenced in your contract at the time of purchase or lease. MSRP is not the internet price and does not include the dealer handling & processing fee, title service fee or dealer installed equipment.

While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at (970) 840-0111 or by visiting us at the dealership.

Dealer Admin Documentation Fee of $799.95 is included in advertised vehicle sale price.

Details

Basic Info

  • Exterior:
    Summit White
  • Drivetrain:
    4WD
  • Interior:
    Jet Black w/Kalahari Accents
  • Transmission:
    10-speed automatic
  • Engine:
    V8, 6.6L
  • Mileage:
    75,972

Key Features

  • AWD
  • Android Auto
  • Apple CarPlay
  • Automatic Climate Control
  • Backup Camera
  • Bluetooth
  • Fog Lights
  • Keyless Entry
  • Leather Seats
  • Power Seats
  • Push Start
  • Remote Start
  • Satellite Radio Ready
  • Side-Impact Air Bags
  • Tow Package
  • WiFi Hotspot

History Report

Description

Vehicle Details
Take on tough jobs and weekend adventures in this pre-owned 2021 GMC Sierra 2500 AT4 4WD, now available in Loveland, CO. Powered by a V8, 6.6L Diesel engine, this heavy-duty pickup delivers the strength, confidence, and capability you want for towing, hauling, and off-road driving. The AT4 trim adds rugged style and premium comfort, making it a standout choice for work and play. Equipped with the Off-Road Package, this GMC Sierra 2500 AT4 is ready for dirt roads, job sites, and mountain trails around Northern Colorado. Inside, enjoy a Heated Steering Wheel, Automatic Climate Control, and Steering Wheel Audio Controls for a more convenient drive in every season. Remote Start adds extra comfort and convenience before you even climb in. If you need a dependable pre-owned GMC Sierra 2500HD with serious capability and refined features, this 2021 model deserves a close look. Visit us in Loveland, CO to experience the bold design, advanced features, and hard-working performance of this GMC Sierra 2500 AT4 4WD today. Whether you are shopping for a heavy-duty diesel truck, a capable 4x4 pickup, or a premium off-road hauler, this GMC Sierra 2500 AT4 checks every box. Schedule your test drive and see why drivers in Loveland, Fort Collins, and Northern Colorado trust GMC durability every single day.

Equipment
This unit offers Automatic Climate Control for personalized comfort. This model is pure luxury with a heated steering wheel. Apple CarPlay: Seamless smartphone integration for this model - stay connected and entertained on the go! The GMC Sierra features a hands-free Bluetooth phone system. Start it from inside with remote start. This GMC Sierra has a clean CARFAX vehicle history report. The steering wheel audio controls on the GMC Sierra keep the volume and station within easy reach. This 3/4 ton pickup comes equipped with Android Auto for seamless smartphone integration on the road. An off-road package is equipped on this 2021 GMC Sierra 2500. Protect this 2021 GMC Sierra 2500 from unwanted accidents with a cutting edge backup camera system. The leather seats in this unit are a must for buyers looking for comfort, durability, and style. Keep safely connected while in this unit with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling.

Packages
Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Box Bed Liner with AT4 Logo; AM/FM Stereo with Premium GMC Infotainment System; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Windows with Driver Express Up/down; Heated and Ventilated Front Bucket Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Power Door Locks. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**

Vehicle Details

Exterior

  • Tire, spare LT275/70R18 all-terrain, blackwall
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Bumper, front, body-color lower
  • Bumper, rear body-color with bumper CornerSteps
  • CornerStep, rear bumper
  • Bed Liner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Not available with any Ship Thrus EXCEPT (VSH), (VTV), (TCH) or (TCE).)
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Cargo tie downs (12), fixed rated at 500 lbs per corner
  • Wheelhouse liners, rear
  • Moldings, beltline, Black
  • Grille (Painted Black surround with high gloss Black mesh and Black chrome inserts.)
  • Fog lamps, LED
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Taillamps, LED signature taillight with LED stop and reverse light
  • Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) (Molded in color Black.)
  • Mirror caps, high gloss Black
  • Glass, deep-tinted
  • Door handles, body-color
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate and bed rail protection caps, top

Interior

  • Seat adjuster, driver 10-way power including lumbar
  • Seat adjuster, passenger 10-way power including lumbar
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Seats, heated second row outboard seats
  • Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, color-keyed carpeting
  • Steering wheel, leather-wrapped
  • Steering wheel, heated
  • Steering wheel audio controls
  • Steering column, manual Tilt-Wheel and telescoping
  • Steering column, lock control, electrical
  • Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Driver Information Center, 4.2" diagonal color display includes driver personalization
  • Exterior Temperature Display, located in radio display
  • Compass, located in instrument cluster
  • Rear Seat Reminder
  • Remote vehicle starter system
  • Cruise control, steering wheel-mounted
  • Theft-deterrent system, unauthorized entry
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB ports, dual, charge-only (2nd row)
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Air conditioning, dual-zone automatic climate control
  • Air vents, rear
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details)

Entertainment

  • Radio, HD
  • Audio system feature, 6-speaker system
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)

Mechanical

  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • GVWR, 10,650 lbs. (4831 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20943 and (L8T) 6.6L V8 gas engine with 17" wheels.)
  • Hill Descent Control
  • Transfer case, two-speed active, electronic Autotrac with push button control
  • Auto-locking rear differential
  • Four wheel drive
  • Cooling, external engine oil cooler
  • Cooling, auxiliary external transmission oil cooler
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Trailer brake controller, integrated
  • In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)
  • Recovery hooks, Red
  • Skid Plates protect the oil pan, front axle and transfer case
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension, Off-Road includes twin-tube shocks
  • Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Brake lining wear indicator
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

Safety

  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver

Tech Specs

  • Vehicle Name: GMC Sierra 2500HD
  • Body Style: Crew Cab Pickup
  • Body Code: E63
  • Drivetrain: Four Wheel Drive
  • Passenger Capacity: 5
  • Gross Axle Wt Rating - Rear: 6600
  • Curb Weight - Front: 3854
  • Curb Weight - Rear: 2788
  • Gross Vehicle Weight Rating Cap: 10650
  • Fuel Economy Est-Combined:
  • EPA Fuel Economy Est - City:
  • EPA Fuel Economy Est - Hwy:
  • Dead Weight Hitch - Max Trailer Wt.: 5000
  • Dead Weight Hitch - Max Tongue Wt.: 500
  • Maximum Trailering Capacity: 18500
  • Fuel System: Direct Injection
  • Trans Order Code: MYD
  • Trans Type: 6
  • Trans Description Cont.: Automatic
  • Trans Description Cont. Again:
  • First Gear Ratio (:1): 4.03
  • Second Gear Ratio (:1): 2.36
  • Third Gear Ratio (:1): 1.53
  • Fourth Gear Ratio (:1): 1.15
  • Fifth Gear Ratio (:1): 0.85
  • Sixth Gear Ratio (:1): 0.67
  • Seventh Gear Ratio (:1):
  • Eighth Gear Ratio (:1):
  • Ninth Gear Ratio (:1):
  • Tenth Gear Ratio (:1):
  • Reverse Ratio (:1): 3.06
  • Clutch Size: N/A
  • Trans Power Take Off:
  • Trans PTO Access:
  • Transfer Case Model: - TBD -
  • Transfer Case Gear Ratio (:1), High: - TBD -
  • Transfer Case Gear Ratio (:1), Low: - TBD -
  • Transfer Case Power Take Off:
  • Cold Cranking Amps @ 0° F (Primary): 720
  • Cold Cranking Amps @ 0° F (2nd):
  • Tons/yr of CO2 Emissions @ 15K mi/year:
  • Maximum Alternator Capacity (amps): 170
  • Maximum Alternator Watts: N/A
  • Total Cooling System Capacity: - TBD -
  • Engine Oil Cooler: - TBD -
  • Frame Type: - TBD -
  • Suspension Type - Front: Short/Long Arm
  • Suspension Type - Rear: Multi-Leaf Springs
  • Suspension Type - Front (Cont.): w/Torsion Bar
  • Suspension Type - Rear (Cont.): 3-Stage Leaf
  • Spring Capacity - Front: - TBD -
  • Spring Capacity - Rear: - TBD -
  • Axle Type - Front: - TBD -
  • Axle Type - Rear: - TBD -
  • Axle Capacity - Front: - TBD -
  • Axle Capacity - Rear: - TBD -
  • Axle Ratio (:1) - Front: 3.73
  • Axle Ratio (:1) - Rear: 3.73
  • Shock Absorber Diameter - Front: 51
  • Shock Absorber Diameter - Rear: 51
  • Stabilizer Bar Diameter - Front: 1.38
  • Stabilizer Bar Diameter - Rear:
  • Front Tire Order Code: QF6
  • Rear Tire Order Code: QF6
  • Spare Tire Order Code: ZYG
  • Front Tire Size: LT275/70R18E
  • Rear Tire Size: LT275/70R18E
  • Spare Tire Size: LT275/70R18
  • Front Tire Capacity: - TBD -
  • Rear Tire Capacity: - TBD -
  • Spare Tire Capacity: - TBD -
  • Revolutions/Mile @ 45 mph - Front: N/A
  • Revolutions/Mile @ 45 mph - Rear: N/A
  • Revolutions/Mile @ 45 mph - Spare: N/A
  • Front Wheel Size: 18 x - TBD -
  • Rear Wheel Size: 18 x - TBD -
  • Spare Wheel Size: 18 x - TBD -
  • Front Wheel Material: Aluminum
  • Rear Wheel Material: Aluminum
  • Spare Wheel Material: Steel
  • Steering Type: Pwr Recirculating Ball
  • Steering Ratio (:1), On Center: - TBD -
  • Steering Ratio (:1), At Lock: - TBD -
  • Turning Diameter - Curb to Curb: 52.7
  • Turning Diameter - Wall to Wall: N/A
  • Brake Type: Pwr
  • Brake ABS System: 4-Wheel
  • Brake ABS System (Second Line):
  • Disc - Front (Yes or ): Yes
  • Disc - Rear (Yes or ): Yes
  • Front Brake Rotor Diam x Thickness: 14 x 1.6
  • Rear Brake Rotor Diam x Thickness: 14.1 x 1.3
  • Drum - Rear (Yes or ):
  • Rear Drum Diam x Width:
  • Fuel Tank Capacity, Approx: 36
  • Aux Fuel Tank Capacity, Approx:
  • Fuel Tank Location: - TBD -
  • Aux Fuel Tank Location:
  • Front Head Room: 43.03
  • Front Leg Room: 44.53
  • Front Shoulder Room: 66.02
  • Front Hip Room: 61.18
  • Second Head Room: 40.12
  • Second Leg Room: 43.4
  • Second Shoulder Room: 65.3
  • Second Hip Room: 60.24
  • Wheelbase: 158.94
  • Length, Overall: 250.08
  • Width, Max w/o mirrors: 81.85
  • Height, Overall: 79.82
  • Overhang, Front: - TBD -
  • Overhang, Rear w/o bumper: - TBD -
  • Front Bumper to Back of Cab: - TBD -
  • Cab to Axle: 42.1
  • Cab to End of Frame: - TBD -
  • Ground to Top of Load Floor: - TBD -
  • Ground to Top of Frame: - TBD -
  • Frame Width, Rear: - TBD -
  • Ground Clearance, Front: 10.12
  • Ground Clearance, Rear: 10.12
  • Cargo Box Length @ Floor: 82.2
  • Cargo Box Width @ Top, Rear: - TBD -
  • Cargo Box Width @ Floor: 71.4
  • Cargo Box Width @ Wheelhousings: 51.85
  • Cargo Box (Area) Height: 21
  • Tailgate Width: - TBD -
  • Cargo Volume: 69.5
  • Ext'd Cab Cargo Volume: - TBD -
  • Model Group: Sierra
  • Vehicle Segment: Large Pick-up
  • Vehicle Type: Crew Cab
  • Body Cab Style: Crew Cab
  • Bed Style: regular
  • Engine Displacement Units: 6.6
  • Engine Camshaft: OHV
  • Engine Block Type: iron
  • Engine Cylinder Count: 8
  • Engine Valve Count: 2
  • Country of Origin: United States GMC Truck

Details

  • Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Box Bed Liner with AT4 Logo; AM/FM Stereo with Premium GMC Infotainment System; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Windows with Driver Express Up/down; Heated and Ventilated Front Bucket Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Power Door Locks
  • Apple CarPlay/Android Auto smart device wireless mirroring
  • 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
  • HD Rear Vision Camera w/Hitch View rear mounted camera
  • Brake assist system
  • Cruise control with steering wheel mounted controls
  • Ventilated driver and front passenger seats
  • Keyfob remote start
  • Heated steering wheel
  • Heated driver and front passenger seats
  • Heated rear seats
  • Leather front seat upholstery
  • Primary monitor touchscreen
  • Driver seat power reclining
  • lumbar support
  • cushion tilt
  • fore/aft control and height adjustable control
  • AutoTrac part and full-time 4WD
  • Teen Driver restricted driving mode/alerts
  • Keyless Open/Keyless Start with hands-free access and push button start
  • Keyfob window control
  • Push-button
  • Bluetooth wireless audio streaming
  • Hitch Guidance vehicle to trailer hitching assist
  • GMC ProGrade Trailering System trailer light test
  • GMC ProGrade Trailering System trailer light malfunction warning
  • GMC ProGrade Trailering System trailer theft alarm
  • Dual-zone front climate control
  • Immobilizer
  • Bluetooth handsfree wireless device connectivity
  • Trailer brake controller
  • Trailer sway control
  • Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
  • External memory control
  • Internet radio capability
  • 6 USB ports
  • Power extendable trailer mirrors
  • StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
  • Hill Descent Control (HDC)
  • Hill start assist
  • Automatic climate control
  • Rear Seat Reminder rear seat check warning
  • 1 exterior 120V AC power outlet
  • LED daytime running lights
  • LED brake lights
  • LED front fog lights
  • Leather and aluminum steering wheel
  • BedStep integrated side steps
  • EZ Lift
  • Easy lower tailgate
  • Integrated tailgate step
  • Trailer hitch light
  • Manual rear child safety door locks
  • Heated driver and passenger side door mirrors
  • Driver Air Bag
  • Passenger Air Bag
  • Passenger Air Bag On/Off Switch
  • Front Side Air Bag
  • Front Head Air Bag
  • Rear Head Air Bag
  • Climate Control
  • Multi-Zone A/C
  • A/C
  • Security System
  • AM/FM Stereo
  • ABS
  • 4-Wheel Disc Brakes
  • Cruise Control
  • Rear Defrost
  • Locking/Limited Slip Differential
  • Four Wheel Drive
  • 8 Cylinder Engine
  • Turbocharged
  • Floor Mats
  • Diesel Fuel
  • Daytime Running Lights
  • Keyless Entry
  • Power Door Locks
  • Heated Mirrors
  • Power Mirror(s)
  • Running Boards/Side Steps
  • Power Driver Seat
  • Power Passenger Seat
  • Pass-Through Rear Seat
  • Leather Seats
  • Bucket Seats
  • Power Steering
  • Adjustable Steering Wheel
  • Conventional Spare Tire
  • Traction Control
  • Aluminum Wheels
  • Power Windows
  • A/T
  • Satellite Radio
  • MP3 Capability
  • Fog Lamps
  • Heated Front Seat(s)
  • Privacy Glass
  • Steering Wheel Audio Controls
  • Power Outlet
  • Auto-Dimming Rearview Mirror
  • Integrated Turn Signal Mirrors
  • Mirror Memory
  • Driver Adjustable Lumbar
  • Passenger Adjustable Lumbar
  • Seat Memory
  • Leather Steering Wheel
  • Tow Hitch
  • Tow Hooks
  • Tire Pressure Monitor
  • Bluetooth Connection
  • Telematics
  • Bed Liner
  • Remote Engine Start
  • Back-Up Camera
  • Stability Control
  • Keyless Start
  • Auxiliary Audio Input
  • Heated Rear Seat(s)
  • Cooled Front Seat(s)
  • Power Folding Mirrors
  • HD Radio
  • Passenger Air Bag Sensor
  • Heated Steering Wheel
  • WiFi Hotspot
  • Smart Device Integration
  • Driver Restriction Features
  • Requires Subscription
  • Integrated Tailgate Step

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Disclaimer:

Selling Price applies to in-stock units only and excludes tax, tag, and other governmental fees and customer-selected options. In order to receive the selling price, you must bring in this advertisement and have the price referenced in your contract at the time of purchase or lease. MSRP is not the internet price and does not include the dealer handling & processing fee, title service fee or dealer installed equipment.

While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at (970) 840-0111 or by visiting us at the dealership.

Dealer Admin Documentation Fee of $799.95 is included in advertised vehicle sale price.

Get Directions

500 W 8th Ave, Yuma, CO, 80759
Korf Continental GMC 40.1186, -102.7288.