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Used

2021 GMC Sierra 1500 Denali

80,783 mi.

$40,000
Est. $737/mo*
Est. Not Priced /mo*
Down Payment
$0
Net trade-in value
$0
Months
72
APR
7.0%
Sales tax
8.0%

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

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Deal Gauge™

Powered by Cars.com

We compared this car with similar 2021 GMC Sierra 1500s based on price, mileage, features, condition, and several other factors.
Avg. market price range
$37K $39.3K $41.7K $44K
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$40,000 This is a good deal.

What goes into the Deal Gauge™ price analysis?

100+ variables feed our Cars.com price analysis, which contains the seller’s listing information. The ultimate accuracy of the Deal Gauge™ is dependent on all such variables, and the seller is responsible for the accuracy of the information included within this listing.

Market

  • Supply & demand
  • Price
  • Original MSRP

Listing details

  • Add-on packages
  • Feature upgrades (e.g. alloy wheels, bluetooth)
  • Exterior & interior colors
  • Vehicle history (when available)

Seller

  • Dealer ratings & reviews
Our Cars.com price analysis is only an estimate to give you a head start on research. We always recommend contacting the seller of the car for more information on what factors impact its price. When possible, schedule a test drive for yourself.

How is it a “fair deal” if it’s higher than the average market range?

If a car is priced within a certain proximity of the average market range, we consider it “fair” because there may be details about this car that are unknown to Cars.com. Examples include aftermarket add-ons, pristine condition evaluations, and additional factors that increase value. We always recommend contacting the seller of this car for more information.

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Car shopper resources

Basics

Exterior color
White Frost Tri-Coat
Interior color
Walnut
Drivetrain
4WD
MPG
16–22

Based on EPA mileage ratings. Use for comparison purposes only. Actual mileage will vary depending on driving conditions, driving habits, vehicle maintenance, and other factors.
Fuel type
Diesel
Transmission
10-Speed Automatic
Engine
3.0L I6 24V DDI DOHC Turbo Diesel
VIN
3GTU9FET5MG124439
Stock #
2508281B
Mileage
80,783 mi.

Features

Convenience
  • Adaptive Cruise Control
  • Heated Seats
  • Heated Steering Wheel
  • Keyless Entry
  • Navigation System
  • Remote Start
Entertainment
  • Apple CarPlay®
  • Bluetooth®
  • Premium Sound System
  • Satellite Radio
  • USB Port
Exterior
  • Alloy Wheels
  • Sunroof/Moonroof
  • Tow Hitch
  • Tow Hooks
Safety
  • Automatic Emergency Braking
  • Backup Camera
  • Brake Assist
  • Lane Departure Warning
  • Rear Cross Traffic Alert
  • Stability Control
Seating
  • Leather Seats
  • Memory Seat
View all features

Features

These features are associated with this vehicle type. Contact the seller to confirm this specific vehicle has them.

  • 10-Way Power Driver Seat Adjuster W/Lumbar
  • 10-Way Power Passenger Seat Adjuster W/Lumbar
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 170 Amp Alternator
  • 1st and 2nd row curtain head airbags
  • 2 Usb Ports
  • 2 Usb Ports (1st Row)
  • 220 Amp Alternator
  • 4 Door
  • 4-Wheel Disc Brakes
  • 4-wheel ABS Brakes
  • 4g Lte Wi-Fi Hotspot Capable
  • 7 Speakers
  • ABS Brakes
  • ABS and Driveline Traction Control
  • AM/FM Radio: Siriusxm With 360l
  • Active suspension
  • Adaptive Cruise Control
  • Adaptive Ride Control Suspension
  • Adaptive Suspension
  • Air Conditioning
  • Alloy Wheels
  • Aluminum dash trim
  • Aluminum/genuine wood center console trim
  • Aluminum/genuine wood door trim
  • Anti-theft alarm system
  • Apple Carplay/Android Auto
  • Audio System Premium Brand Speakers: Bose
  • Audio System Premium Brand: GMC Infotainment System
  • Audio controls on steering wheel
  • Auto-Dimming Door Mirrors
  • Auto-Dimming Rear-View Mirror
  • Auto-Locking Rear Differential
  • Automatic Emergency Braking
  • Automatic Temperature Control
  • Automatic front air conditioning
  • Automatic locking hubs
  • Auxiliary External Transmission Oil Cooler
  • Auxilliary engine cooler
  • Auxilliary transmission cooler
  • Bed View Camera
  • Bluetooth wireless phone connectivity
  • Body-colored bumpers
  • Brake Assist
  • Braking Assist
  • Bucket front seats
  • Bumpers: Body-Color
  • Center Console: Full with covered storage
  • Chrome Recovery Hooks
  • Chrome Wheel To Wheel Assist Steps
  • Chrome grille
  • Climate Controlled : Driver and passenger heated
  • Clock : Digital
  • Coil front spring
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Cruise control
  • Cruise controls on steering wheel
  • Cupholders: Front and rear
  • Daytime running lights
  • Deep-Tinted Glass
  • Delay-Off Headlights
  • Denali Ultimate Package
  • Diameter of tires: 20.0"
  • Digital Audio Input
  • Door pockets: Driver, passenger and rear
  • Door reinforcement: Side-impact door beam
  • Driver Alert Package I
  • Driver Alert Package II
  • Driver Door Bin
  • Driver Memory
  • Driver Vanity Mirror
  • Driver adjustable suspension ride control
  • Driver airbag
  • Driver seat memory
  • Driver's side electrochromatic auto-dimming mirrors
  • Dual Front Impact Airbags
  • Dual Front Side Impact Airbags
  • Dual front air conditioning zones
  • Dual illuminated vanity mirrors
  • Dual reverse tilt mirrors
  • Dusk sensing headlights
  • Electric Rear-Window Defogger
  • Electrical Lock Control Steering Column
  • Electrochromatic rearview mirror
  • Electronic Stability Control
  • Engine Block Heater
  • Engine immobilizer
  • External temperature display
  • Fixed antenna
  • Floor mats: Carpet front and rear
  • Floor-Mounted Center Console
  • Fold-up cushion rear seats
  • Following Distance Indicator
  • Forge Perforated Leather-Appointed Seat Trim
  • Forward Collision Alert
  • Front Anti-Roll Bar
  • Front Bucket Seats
  • Front Center Armrest
  • Front Dual Zone A/C
  • Front Fog Lights
  • Front Head Room : 43.0 "
  • Front Hip Room: 61.2"
  • Front Independent Suspension
  • Front Leg Room: 44.5"
  • Front Pedestrian Braking
  • Front Reading Lights
  • Front Shoulder Room: 66.0"
  • Front Stabilizer Bar : Bar
  • Front Ventilated disc brakes
  • Front Wheel Independent Suspension
  • Front and rear reading lights
  • Front fog/driving lights
  • Front suspension stabilizer bar
  • Fuel Capacity: 24.0 gal.
  • Fuel Consumption: City: 16 mpg
  • Fuel Consumption: Highway: 22 mpg
  • Fuel Type: Regular unleaded
  • Fully Automatic Headlights
  • GMC Connected Access Capable
  • GMC Multipro Power Steps
  • Genuine Wood Console Insert
  • Genuine Wood Door Panel Insert
  • Gross vehicle weight: 7,100 lbs.
  • HD Rear Vision Camera
  • HD Surround Vision W/2 Trailer View Camera Provisions
  • Headlights off auto delay
  • Heated Door Mirrors
  • Heated Driver & Front Outboard Passenger Seating
  • Heated Front Seats
  • Heated driver mirror
  • Heated passenger mirror
  • Heated steering wheel
  • Heavy-Duty Air Filter
  • Hill Descent Control
  • Hitch Guidance
  • Hitch Guidance W/Hitch View
  • Illuminated Entry
  • In-Vehicle Trailering App
  • Independent front suspension classification
  • Instrumentation: Low fuel level
  • Integrated Navigation System : Yes
  • Integrated Trailer Brake Controller
  • Intellibeam Automatic High Beam On/Off
  • Interior 120v Ac Power Outlet : 1
  • Keyless Open & Start
  • LED Cargo Area Lighting
  • Lane Change Alert W/Side Blind Zone Alert
  • Lane Keep Assist W/Lane Departure Warning
  • Leaf rear spring
  • Leaf rear suspension
  • Leather seat upholstery
  • Leather/metal-look steering wheel trim
  • Left rear passenger door type: Conventional
  • Liftgate window: Power
  • Low Tire Pressure Warning
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Manufacturer's 0-60mph acceleration time (seconds): 6.1 s
  • Memorized Settings for 2 drivers
  • Memorized Settings including door mirror(s)
  • Memory Seat
  • Mobile hotspot internet access
  • Multicolor 15 Diagonal Head-Up Display
  • Navigation System
  • Occupant Sensing Airbag
  • Onstar & GMC Connected Services Capable
  • Outside Temperature Display
  • Overall Width: 81.2"
  • Overhead Airbag
  • Overhead Console
  • Overhead console: Mini with storage
  • Panic Alarm
  • Passenger Airbag
  • Passenger Door Bin
  • Passenger Vanity Mirror
  • Polished aluminum rims
  • Power Door Locks
  • Power Door Mirrors
  • Power Driver Seat
  • Power Front Passenger Windows W/Express Up/Down
  • Power Front Windows W/Driver Express Up/Down
  • Power Passenger Seat
  • Power Rear Windows W/Express Down
  • Power Sliding Rear Window W/Rear Defogger
  • Power Steering
  • Power Sunroof
  • Power remote w/tilt down driver mirror adjustment
  • Power remote w/tilt down passenger mirror adjustment
  • Power retractable mirrors
  • Power windows
  • Preferred Equipment Group 5sa
  • Premium Audio System: GMC Infotainment System
  • Premium Bose 7-Speaker Sound System
  • Premium GMC Infotainment System
  • Privacy glass: Deep
  • Prograde Trailering System
  • Radio Data System
  • Radio: Premium GMC Infotainment Sys W/Navigation
  • Rear Camera Mirror
  • Rear Cross Traffic Alert
  • Rear Dual Usb Charging-Only Ports
  • Rear Head Room: 40.1"
  • Rear Hip Room: 60.2"
  • Rear Leg Room: 43.4"
  • Rear Reading Lights
  • Rear Seat Center Armrest
  • Rear Shoulder Room: 65.2"
  • Rear Step Bumper
  • Rear Wheelhouse Liners
  • Rear Window Defroster
  • Rear center seatbelt: 3-point belt
  • Rear door type: Tailgate
  • Rear seats center armrest
  • Remote Engine Start : Keyfob remote start
  • Remote Keyless Entry
  • Remote Vehicle Starter System
  • Remote activated exterior entry lights
  • Remote power door locks
  • Remote window operation
  • Right rear passenger door type: Conventional
  • Rigid axle rear suspension
  • Safety Alert Seat
  • Seatback storage: 2
  • Seatbelt pretensioners: Front
  • Security System
  • Short and long arm front suspension
  • Side airbag
  • Signature Denali Grille
  • SiriusXM with 360L AM/FM/HD/Satellite
  • SiriusXM with 360L Satellite Radio
  • Siriusxm W/360l
  • Spare Tire Mount Location: Underbody w/crankdown
  • Speed Control
  • Speed-Sensing Steering
  • Speed-proportional electric power steering
  • Split Folding Rear Seat
  • Split rear bench
  • Spray-On Pickup Bed Liner W/Denali Logo
  • Stability controll with anti-roll
  • Steel spare wheel rim
  • Steering Wheel Audio Controls
  • Steering Wheel Mounted Audio Controls
  • Suspension class: Regular
  • Tachometer
  • Technology Package
  • Telescoping Steering Wheel
  • Theft Deterrent System (Unauthorized Entry)
  • Tilt Steering Wheel
  • Tilt and telescopic steering wheel
  • Tire Pressure Monitoring System: Tire specific
  • Tires: Prefix: P
  • Tires: Profile: 60
  • Tires: Speed Rating: S
  • Tires: Width: 275 mm
  • Total Number of Speakers: 7
  • Traction Control
  • Trailer Tire Pressure Monitor System
  • Trailer hitch
  • Trailering Package
  • Transmission hill holder
  • Trip computer
  • Two 12V DC power outlets
  • Type of tires: AT
  • Ultrasonic Front & Rear Park Assist
  • Universal Home Remote
  • Universal remote transmitter
  • Urethane shift knob trim
  • Variable intermittent front wipers
  • Variably Intermittent Wipers
  • Vehicle Emissions: LEV II
  • Ventilated Driver & Front Passenger Seats
  • Ventilated Front Seats
  • Video Monitor Location: Front
  • Voltmeter
  • Wheel Diameter: 20
  • Wheel Locks (Set Of 4) (Lpo)
  • Wheel Width: 9
  • Wheels: 20 X 9 Multi-Dimensional Polished Alum
  • Wheels: 22 X 9 Multi-Dimensional Polished Alum
  • Wireless Charging

Vehicle history by CARFAX

Free CARFAX Report
Accidents or damage
None reported
1-owner vehicle
No
Personal use only
Yes
The vehicle history information is supplied by third parties. Cars.com and the Seller are not responsible for the accuracy of such information. Cars.com provides this service and materials without representations or warranties of any kind, either expressed or implied. Please see Cars.com Terms and Conditions for further information.

Seller’s info

Al Serra Auto Plaza

(1,688 reviews)
6201 S Saginaw Rd, Grand Blanc Charter Township, MI 48439

Seller’s notes about this car

CLEAN CARFAX! Denali, 4WD, Power Sunroof, Heated and Cooled Front Seats, Heated Steering Wheel, Navigation, Leather Interior, 3.0L I6, 10-Speed Automatic, Oil and Filter Change, Vehicle Detailed. To save time in the dealership and for your convenience, please call 810-694-5600 to confirm availability and schedule an appointment. 22/26 City/Highway MPG Pictures may not reflect the actual vehicle. Posted miles may vary. Some options listed may be inaccurate due to VIN decoders. Some vehicles may have added accessories. The Doc Fee is $280. See Dealer for details. Al Serra Auto Plaza. One Destination. So Many More Choices! Please get in touch with us at 810-694-5600 or visit alserra.com for more information and to see Michigan's most extensive used vehicle inventory.
Al Serra Auto Plaza. One Destination. So Many More Choices.

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Based on est. car price of $40,000 at ...% APR* and ...% sales tax.
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Car price
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Down payment
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Trade-in value
-Not Priced
Estimated sales tax ...%
(based on ZIP)
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Other fees*
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Total loan amount
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(over life of loan)
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Total loan & interest paid
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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

About your privacy: Cars.com is asking for your ZIP and credit rating because it helps us to make an educated guess at your sales tax and loan interest. These two factors can greatly change your monthly payment.

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Consumer reviews

See what others are saying about the 2021 GMC Sierra 1500.
(56 reviews)
60% of drivers recommend this car
Rating breakdown (out of 5):
  • Comfort 4.2
  • Interior 4.2
  • Performance 3.8
  • Value 3.6
  • Exterior 4.3
  • Reliability 3.5

Most recent consumer reviews

Bought a 2021 GMC Sierra SLT used 18k on it.

February 21, 2025
By Chris from Colorado
Owns this car

Bought a 2021 GMC Sierra SLT used 18k on it. Drove it 350 miles and the left band of lifter went bad,bent push rod and rocker arms. Got back and drove it about 300 miles and had the oil changed to make sure there was no metal in it from the work that was done. The next day I started up and it had 70+ pounds of oil pressur. Took it the dealer and now it is getting a new oil pump. This is a very nice truck to look at and drives nice but you should not have these kind of problems with a 50 thousand dollar truck. GM has paid fo6 all the fixes. Waiting to see what is next. Don't want to trade it in to give someone this problem. It suck to get a lemon.

Rating breakdown (out of 5):
  • Comfort 4.0
  • Interior 4.0
  • Performance 3.0
  • Value 3.0
  • Exterior 4.0
  • Reliability 1.0
  • Purchased a Used car
  • Used for Having fun
  • Does not recommend this car
3 people out of 3 found this review helpful. Did you?
Yes No

No recomiendo a nadie comprar GMC Denali antes de 70000

September 27, 2024
By Oleidy from Atllanta
Owns this car

No recomiendo a nadie comprar GMC Denali antes de 70000 millas se daña el motor y antes de 80000 millas se daña las transmisión y el diferencial son pura belleza pero es un problema te cobran 14000 por el motor solo

Rating breakdown (out of 5):
  • Comfort 1.0
  • Interior 1.0
  • Performance 1.0
  • Value 1.0
  • Exterior 1.0
  • Reliability 1.0
  • Purchased a New car
  • Used for Transporting family
  • Does recommend this car
2 people out of 4 found this review helpful. Did you?
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This truck has a jerk when changing gears sometimes.

May 8, 2024
By Arvonia McWilliams
Owns this car

This truck has a jerk when changing gears sometimes. I enjoy the truck overall easy to handle and comfortable. Drive with ease sight is good when driving.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 4.0
  • Value 4.0
  • Exterior 5.0
  • Reliability 5.0
  • Does recommend this car
9 people out of 11 found this review helpful. Did you?
Yes No
See all 56 consumer reviews
Explore the 2021 GMC Sierra 1500 Denali

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Car shopper resources

Dealer Disclaimer: Prices do not include tax title and license fees. Photos may not be of actual vehicle. Any MPG listed is based on model year EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle driving conditions battery-pack age/condition (hybrid only) and other factors.

Cars.com Disclaimer: The information on vehicles provided in this service is supplied by the seller or other third parties; Cars.com is not responsible for the accuracy of such information. Cars.com provides this service and materials without representations or warranties of any kind, either expressed or implied. Click here for more details.

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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

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