Used 2021 GMCSierra 3500 HD SLT
- Diesel
- Exterior Color
- Cardinal Red
- Interior Color
- 4SA-Leather, Jet Black, Interior Trim
- Odometer
- 84,791 miles
- Transmission
- Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GT49UEYXMF122915
- Stock Number
- N122915
Included Packages & Accessories
- Pickup Bed
- Federal Emissions Requirements
- Tires: LT275/70R18E AT BW
- High Idle Switch
- Preferred Equipment Group 4SA
- Radio: AM/FM w/Premium GMC Infotainment System
- 6-Speaker Audio System Feature
- SiriusXM w/360L
- HD Radio
- Wireless Phone Projection
- Compass Located In Instrument Cluster
- 4.2" Diagonal Color Display Driver Info Center
- Electric Rear-Window Defogger
- Power Door Locks
- Remote Vehicle Starter System
- Keyless Open & Start
- OnStar & GMC Connected Services Capable
- 4G LTE Wi-Fi Hotspot Capable
- GMC Connected Access Capable
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Instrument Panel Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 2nd Row Dual USB Charge-Only Ports
- Front 40/20/40 Split-Bench Seat w/Storage
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Driver Memory
- Heated Driver & Front Outboard Passenger Seats
- Steering Wheel Audio Controls
- Manual Tilt-Wheel/Telescoping Steering Column
- Electrical Lock Control Steering Column
- Unauthorized Entry Theft-Deterrent System
- Deep-Tinted Glass
- Chrome Surround Grille w/High Gloss Black Mesh
- Power Front Windows w/Driver Express Up/Down
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- LED Cargo Area Lighting
- Wheels: 18" Machined Aluminum
- Rear Wheelhouse Liners
- Integrated Trailer Brake Controller
- ProGrade Trailering System
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering System App
- 2-Speed Active Transfer Case
- Power Sliding Rear Window w/Defogger
- Front Bucket Seats
- Winter Grille Cover
- Spray-On Pickup Bed Liner w/GMC Logo
- Gooseneck/5th Wheel Package
- Gooseneck/5th Wheel Prep Package
- Bed View Camera w/2 Trailer Camera Provisions
- Floor-Mounted Center Console
- GVWR: 12,100 lbs
- 3.42 Rear Axle Ratio
- Hill Descent Control
- Engine Block Heater
- Exhaust Brake
- 2nd Row Heated Outboard Seats
- Ventilated Driver & Front Passenger Seats
- 220 Amp Alternator
- Engine: Duramax 6.6L Turbo-Diesel V8
- Transmission: Allison 10-Speed Automatic
- Dual Heavy-Duty 70 Amp Battery
- Capped Fuel Fill
- 2 USB Ports Inside Console
- 2 USB Ports
- Skid Plates
- SLT Convenience Package
- Universal Home Remote
- LED Smoked Amber Roof Marker Lamps
- X31 Off-Road Package
- Off-Road Suspension
Detailed Specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 36 gal
- Horsepower: 445
Standard Features
- 220 Amp Alternator
- Transmission: Allison 10-Speed Automatic
- GVWR: 12,100 lbs
- 3.42 Rear Axle Ratio
- Dual Heavy-Duty 70 Amp Battery
- Winter Grille Cover
- Exhaust Brake
- Engine Block Heater
- Capped Fuel Fill
- Hill Descent Control
- Skid Plates
- Off-Road Suspension
- 6-Speaker Audio System Feature
- SiriusXM w/360L
- HD Radio
- Radio: AM/FM w/Premium GMC Infotainment System
- Wireless Phone Projection
- Compass Located In Instrument Cluster
- 4.2" Diagonal Color Display Driver Info Center
- Electric Rear-Window Defogger
- Power Door Locks
- Remote Vehicle Starter System
- Keyless Open & Start
- OnStar & GMC Connected Services Capable
- 4G LTE Wi-Fi Hotspot Capable
- GMC Connected Access Capable
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Instrument Panel Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 2nd Row Dual USB Charge-Only Ports
- Front 40/20/40 Split-Bench Seat w/Storage
- Steering Wheel Audio Controls
- Manual Tilt-Wheel/Telescoping Steering Column
- Electrical Lock Control Steering Column
- Unauthorized Entry Theft-Deterrent System
- Deep-Tinted Glass
- Chrome Surround Grille w/High Gloss Black Mesh
- Power Front Windows w/Driver Express Up/Down
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- LED Cargo Area Lighting
- Wheels: 18" Machined Aluminum
- Rear Wheelhouse Liners
- Integrated Trailer Brake Controller
- ProGrade Trailering System
- 2-Speed Active Transfer Case
- Heated Driver & Front Outboard Passenger Seats
- 10-Way Power Driver Seat Adjuster w/Lumbar
- Gooseneck/5th Wheel Prep Package
- Spray-On Pickup Bed Liner w/GMC Logo
- Bed View Camera w/2 Trailer Camera Provisions
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering System App
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Driver Memory
- Heated Driver & Front Outboard Passenger Seats
- Front Bucket Seats
- Floor-Mounted Center Console
- Ventilated Driver & Front Passenger Seats
- Power Sliding Rear Window w/Defogger
- Universal Home Remote
- 2 USB Ports Inside Console
- 2 USB Ports
- 2nd Row Heated Outboard Seats
- LED Smoked Amber Roof Marker Lamps
Dealer Notes
Recent Arrival! 2021 GMC Sierra 3500HD SLT 4D Crew Cab FREE DELIVERY ANYWHERE IN COLORADO **, PREMIUM SOUND **, 4 WHEEL DRIVE. Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WDThis Sierra 3500HD comes with the FULL Mike Maroone a 60-Day 3000 Mileage Powertrain Warranty. We will review our technicianâs vehicle inspection report with you before purchase. Our intention is to provide you a completely transparent buying experience. At Mike Maroone our used vehicles are Safety Checked, Warrantied, CarFax, and if you donât like it ... Bring it back! For more information or vehicles like it, stop by Mike Maroone North today. We are just north of the Chapel Hills mall behind Walmart in the Chapel Hills Auto Mall.
KBB.com Consumer Reviews
- 5.0
2020 GMC Denali 3500 HD Duramax is a BEAST!
By Merlinsmerc on Friday, January 22, 2021
Pulling a conventional 10,000 lb trailer over mountain passes is a whole new experience. Staying at the speed limit up long steep grades did not change the engine temperature. I feathered the accelerator up the mountain. The new 10 speed transmission is so smooth you cant feel it changing gears. This is my second GMC Denali Duramax, first being a 2016. I debated trading in for over a year, and am so happy I made the trade. Trailers always exceed by far the tongue weight posted on them, and in my case it came in at 1450 lbs. That exceeded my trucks posted maximum. The 2020 dually posts a 2,000 lb tongue weight, so now I can front load the trailer, and that reduces sway. If you can afford it, and have a heavy trailer, buy the truck! - 5.0
Love our truck
By Ron on Friday, December 11, 2020
The truck doesn’t have a sun roof which it was suppose to have - 2.0
In shop for 13 weeks so far!
By Whip on Monday, September 09, 2024
My truck has been in the shop for 13 weeks to this point with no end in sight. The Infotainment panel blew out which controls pretty much everything. Nice truck except if something goes wrong then, good luck! I would recommend looking at Fords and Rams and ask the question, how many vehicles do you have in your shop waiting for parts and for how long. I heard of one at my GMC dealership that has been waiting for 8 months! Only thing I get from GM is "we understand your frustration". Apparently they don't, or I would have my truck back long ago.
GENERAL: Options, final pricing, photographs, vehicle availability and its specifications are subject to change at any time and without notice to correct errors or as a result of changing market conditions. New vehicles prices reflect current manufacturer's applicable and eligible customer rebates which include manufacturer rebates or offers and manufacturer captive lender down payment assistance. Leases differ in factory incentives. See Mike Maroone Auto for eligibility. Availability of rebates or other incentives, is subject to restrictions including, without limitation, geographic limitations. Please contact Mike Maroone Auto for most up-to-date vehicle pricing, payment, equipment, availability, photographs, eligible customer rebate information and more.
PRICING: Vehicle pricing includes all offers and incentives and dealer's delivery and handling fee of $795. Prices do not include government fees, taxes, finance charges, or transportation costs. Additional taxes apply when choosing 'Free Delivery'. Monthly payment calculator is an estimate only. EPA Estimates Only. All payments and prices are With Approved Credit. While every reasonable effort has been made to ensure display of accurate data, vehicle listings within this website may not always reflect accurate vehicle information.
TEXT OPT-IN: By providing a phone number when requesting more information or filling out a contact form on this web site, you agree to be opted-in to receive text message communications on behalf of our employees and representatives. You may opt-out of these communications at any time.
MERCHANDISING: Every effort is made to produce actual vehicle photos but is not always possible. Please contact a Mike Maroone Auto representative for current images.
No mobile information will be shared with third parties/affiliates for marketing/promotional purposes. All the above categories exclude text messaging originator opt-in data and consent; this information will not be shared with any third parties.