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Home / Used 2021 Gmc Sierra Idaho falls, Id / Used 2021 Gmc Sierra Denali in Idaho falls Id
2021 GMC Sierra Denali Idaho Falls ID
2021 GMC Sierra Denali Idaho Falls ID

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2021 GMC Sierra Denali Idaho Falls ID
2021 GMC Sierra Denali Idaho Falls ID
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2021 GMC Sierra Denali

V8, 6.2L, Denali, 10-speed automatic, # N3768
VIN 3GTU9FEL5MG313768
Mileage 55,963
Pre-Owned Price
$39,756

No additional dealer documentation fees ever

$0.00

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ABOUT THIS VEHICLE

Vehicle Details
Discover premium capability and refined comfort in this pre-owned 2021 GMC Sierra 1500 Denali 4WD, now available in Idaho Falls, ID. Powered by a strong V8 6.2L gasoline engine, this GMC Sierra Denali delivers confident performance for towing, hauling, and everyday driving, while its 4WD system helps you take on changing road conditions with ease. Inside, you'll find a luxury-focused cabin with Leather Seats, advanced Navigation, Apple CarPlay, and a Back-Up Camera for added convenience and confidence behind the wheel. Rear Parking Sensors make maneuvering in tight spaces simpler, whether you're parking downtown or backing up at home. The Denali trim stands out with premium styling, upscale materials, and a commanding presence that makes every drive feel exceptional. If you're searching for a pre-owned GMC Sierra 1500 Denali in Idaho Falls, this truck is a standout choice for drivers who want capability, technology, and comfort in one impressive package. Visit us today to experience this well-equipped 2021 GMC Sierra 1500 Denali 4WD and see why it's a smart option for your next truck. Whether you're upgrading for family travel, weekend towing, or a rugged daily commute, this GMC Sierra Denali blends strength and sophistication in a way that stands out on Idaho roads and beyond, making it a versatile premium pickup.

Equipment
Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. The state of the art park assist system will guide you easily into any spot. See what's behind you with the back up camera on the GMC Sierra. You'll never again be lost in a crowded city or a country region with the navigation system on this model. This 2021 GMC Sierra 1500 features a high end BOSE stereo system. Never get into a cold vehicle again with the remote start feature on the GMC Sierra. This unit offers Android Auto for seamless smartphone integration. It offers Automatic Climate Control for personalized comfort. This vehicle offers Apple CarPlay for seamless connectivity. Keep your hands warm all winter with a heated steering wheel in this 2021 GMC Sierra 1500 . The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style.

Packages
Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert. **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.**

Additional Information
At Timberline Auto, finding a great deal on your next vehicle is always easy! Our experienced sales staff goal is to help find you the right vehicle at the right price! Our knowledgeable finance department has options for almost any credit score. We offer extended service contract options to protect your pre-owned vehicle. Meet our friendly staff at one of our three locations: Main store for Sales, Service and Rentals; 1175 N. Woodruff avenue (208)523-1053, 1580 E. Lincoln Road (208)523-4000, 1235 N. Woodruff avenue. WE DO NOT CHARGE AN ADDITIONAL DEALER DOCUMENTATION FEE. State and local fee(s)/taxes are additional.

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Timberline Auto Inc.
1235 N Woodruff Ave, Idaho Falls, ID, 83401
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Hours

Open today 9:00 am - 6:00 pm
Full hours

Contact us

Our team of experts is here to answer your questions!
(208) 523-1053

EQUIPMENT DETAIL

Generic
  • 1 exterior 120V AC power outlet
  • 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
  • 6 USB ports
  • Adaptive ride suspension
  • Apple CarPlay/Android Auto smart device wireless mirroring
  • Automatic climate control
  • AutoTrac part and full-time 4WD
  • Bluetooth handsfree wireless device connectivity
  • Bose speakers
  • Brake assist system
  • Cross Traffic Alert collision warning
  • Cruise control with steering wheel mounted controls
  • cushion tilt
  • Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert
  • Driver seat power reclining
  • Dual-zone front climate control
  • EcoTec3 6.2L V-8
  • EcoTec3 6.2L V-8 direct injection
  • engine with cylinder deactivation and 420HP
  • fore/aft control and height adjustable control
  • Front wireless smart device charging
  • Heated driver and front passenger seats
  • Heated steering wheel
  • Hill Descent Control (HDC)
  • Hill Start Assist (HSA)
  • Immobilizer
  • Integrated navigation system
  • Internet radio capability
  • Keyfob remote start
  • Keyfob window control
  • Lane Change Alert with Side Blind Zone Alert blind spot warning
  • Leather front seat upholstery
  • Leather rear seat upholstery
  • LED brake lights
  • LED daytime running lights
  • LED front fog lights
  • lumbar support
  • premium gasoline
  • Premium GMC Infotainment System external memory control
  • Primary monitor touchscreen
  • Proximity key with hands-free access and push button start
  • Push-button
  • Rear mounted camera
  • Rear seat cheque warning
  • StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
  • Teen Driver restricted driving mode/alerts
  • Trailer brake controller
  • Trailer light malfunction warning
  • Trailer light test
  • Trailer sway control
  • Trailer theft alarm
  • UltraSonic front and rear parking sensors
  • variable valve control
  • Vehicle and trailer reverse assist with visual graphic guidance only
  • Vehicle to trailer hitching assist
  • Ventilated driver and front passenger seats
  • Wireless audio streaming
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SPECS

Stock:
N3768
VIN:
3GTU9FEL5MG313768
Dealer:
Timberline Auto Inc.
Type:
Used
Year:
2021
Make:
GMC
Model:
Sierra
Mileage:
55,963
Dealer Certified:
No
Certified:
No
Date in Stock:
10/13/2026
Trim:
Denali
Model Number:
TK10743
Body:
Crew Cab
Body Style:
Crew Cab
Transmission:
10-speed automatic
Transmission Description:
10-speed automatic
Doors:
4
Cylinders:
8
Displacement:
6.2
Description:
V8, 6.2L
Drivetrain:
4WD
Fuel Type:
Gasoline
Exterior Color:
BLACK
Interior Color:
Jet Black
Portions of the data provided are © 2026 Autodata, Inc. dba ChromeData

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Timberline Auto Sales, Service and Rentals
1175 N Woodruff Ave
Idaho Falls, ID 83401
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Open Saturdays until 6:00 pm |
Hours
(208) 523-1053
Service
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(208) 497-0679
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Open Saturdays until 5:00 pm |
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Timberline Auto Inc.
1235 N Woodruff Ave
Idaho Falls, ID 83401
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Sales
Open Saturdays until 6:00 pm |
Hours
(208) 523-1053

Timberline Auto Sales Lincoln Rd
1580 E Lincoln Rd
Idaho Falls, ID 83401
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Open Saturdays until 6:00 pm |
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(208) 523-4000

Timberline Auto Body & Glass
1376 Mercury Ave
Idaho Falls, ID 83402
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