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Used

2021 GMC Sierra 1500 SLT

68,239 mi.

$40,985
Est. $755/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
$35.6K $38K $40.3K $42.7K
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$40,985 This is a fair deal. Why?

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
Ebony Twilight Metallic
Interior color
Jet Black
Drivetrain
Four-wheel Drive
MPG
14–20

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
Automatic
Engine
3.0L I6 24V DDI DOHC Turbo Diesel
VIN
3GTU9DET4MG286082
Stock #
K43540
Mileage
68,239 mi.

Features

Convenience
  • Adaptive Cruise Control
  • Heated Seats
  • Heated Steering Wheel
  • Keyless Start
  • 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.

  • 1st and 2nd row curtain head airbags
  • 4 Door
  • 4 USB ports
  • 4-wheel ABS Brakes
  • ABS and Driveline Traction Control
  • Adaptive Cruise Control
  • Air Filter Heavy-Duty
  • Anti-theft alarm system
  • Apple CarPlay/Android Auto mirroring
  • Assist Steps Chrome Wheel To Wheel
  • Audio System Premium Brand: GMC Infotainment System
  • Audio controls on steering wheel
  • Automatic Emergency Braking
  • Automatic front air conditioning
  • Automatic locking hubs
  • Auxilliary engine cooler
  • Auxilliary transmission cooler
  • Bed Liner Spray-On Pickup Bedliner With GMC Logo
  • Bluetooth wireless phone connectivity
  • Bose Sound System Premium 7-Speaker System With Richbass Woofer
  • Braking Assist
  • Center Console Floor-Mounted With Cup Holders Cell Phone Storage Power Cord …
  • Chrome bumpers
  • Chrome grille
  • Climate Controlled : Driver and passenger heated
  • Clock : Digital
  • Coil front spring
  • Compass
  • Cruise control
  • Cruise controls on steering wheel
  • Cupholders: Front and rear
  • Daytime running lights
  • Diameter of tires: 18.0"
  • Door pockets: Driver, passenger and rear
  • Door reinforcement: Side-impact door beam
  • Driver Alert Package I Includes (Ud5) Front And Rear Park Assist (Ukc) Lane …
  • Driver airbag
  • Driver seat memory
  • Driver's side electrochromatic auto-dimming mirrors
  • Dual front air conditioning zones
  • Dual illuminated vanity mirrors
  • Dual reverse tilt mirrors
  • Dusk sensing headlights
  • Ebony Twilight Metalli
  • Electrochromatic rearview mirror
  • Engine Block Heater
  • Engine Duramax 3.0l Turbo-Diesel I6 (277 HP [206.6 Kw] @ 3750 RPM 460 Lb-Ft …
  • Engine immobilizer
  • Exhaust Dual With Premium Tips
  • External temperature display
  • Fixed antenna
  • Floor mats: Carpet front and rear
  • Fold-up cushion rear seats
  • Following Distance Indicator
  • Front And Rear Park Assist Ultrasonic
  • Front Head Room : 43.0 "
  • Front Hip Room: 61.2"
  • Front Independent Suspension
  • Front Leg Room: 44.5"
  • Front Pedestrian Braking
  • Front Shoulder Room: 66.0"
  • Front Stabilizer Bar : Bar
  • Front Ventilated disc brakes
  • Front and rear reading lights
  • Front fog/driving lights
  • Front split-bench
  • Front suspension stabilizer bar
  • Fuel Capacity: 24.0 gal.
  • Fuel Consumption: City: 14 mpg
  • Fuel Consumption: Highway: 20 mpg
  • Fuel Type: Regular unleaded
  • Gross vehicle weight: 7,100 lbs.
  • Gvwr 7200 Lbs. (3266 Kg)
  • Headlights off auto delay
  • Heated driver mirror
  • Heated passenger mirror
  • Heated steering wheel
  • Hill Descent Control
  • Independent front suspension classification
  • Instrumentation: Low fuel level
  • Intellibeam Automatic High Beam On/Off
  • Interior 120v Ac Power Outlet : 1
  • Jet Black Perforated Leather-Appointed Front Outboard Seat Trim
  • Keyless ignition w/ push button start & keyless door entry
  • LED Low/High Beam Reflector Headlights
  • Lane Change Alert With Side Blind Zone Alert
  • Lane Keep Assist With Lane Departure Warning
  • Leaf rear spring
  • Leaf rear suspension
  • Leather seat upholstery
  • Leather/metal-look steering wheel trim
  • Left rear passenger door type: Conventional
  • License Plate Kit Front
  • Machined aluminum rims w/ painted accents
  • Manual child safety locks
  • Manufacturer's 0-60mph acceleration time (seconds): 6.2 s
  • Memorized Settings for 2 drivers
  • Memorized Settings including door mirror(s)
  • Metal-look dash trim
  • Mobile hotspot internet access
  • Overall Width: 81.2"
  • Overhead console: Mini with storage
  • Passenger Airbag
  • Power remote w/tilt down driver mirror adjustment
  • Power remote w/tilt down passenger mirror adjustment
  • Power retractable mirrors
  • Power windows
  • Premium GMC Infotainment System
  • Privacy glass: Deep
  • Radio Data System
  • Rear Axle 3.23 Ratio
  • Rear Cross Traffic Alert
  • Rear Head Room: 40.1"
  • Rear Hip Room: 60.2"
  • Rear Leg Room: 43.4"
  • Rear Shoulder Room: 65.2"
  • Rear View Camera
  • Rear center seatbelt: 3-point belt
  • Rear door type: Tailgate
  • Rear seats center armrest
  • Remote Engine Start : Keyfob remote start
  • Remote activated exterior entry lights
  • Remote power door locks
  • Remote window operation
  • Right rear passenger door type: Conventional
  • Rigid axle rear suspension
  • SLT Convenience Package Includes (A50) Bucket Seats With (D07) Center Consol…
  • SLT Preferred Equipment Group Includes Standard Equipment
  • SLT Premium Plus Package Includes (Pcy) SLT Convenience Package (Pdy) SLT Pr…
  • Safety Alert Seat
  • Seatback storage: 2
  • Seatbelt pretensioners: Front
  • Seats Front Bucket With Center Console
  • Seats Heated Second Row Outboard Seats (Included And Only Available With (Pc…
  • Seats Ventilated Driver And Front Passenger
  • Short and long arm front suspension
  • Side airbag
  • Simulated wood/metal-look door trim
  • SiriusXM Satellite Radio
  • SiriusXM with 360L AM/FM/HD/Satellite
  • SiriusXM with 360L Satellite Radio
  • Skid Plates
  • Spare Tire Mount Location: Underbody w/crankdown
  • Speed-proportional electric power steering
  • Split rear bench
  • Stability controll with anti-roll
  • Steel spare wheel rim
  • Sunroof Power
  • Suspension class: Regular
  • Tachometer
  • Tilt and telescopic steering wheel
  • Tire Pressure Monitoring System: Tire specific
  • Tire Spare 255/80r17sl All-Season Blackwall
  • Tires 275/60r20sl All-Terrain Blackwall (Includes (Qaq) Spare Tire.
  • Tires: Prefix: P
  • Tires: Profile: 65
  • Tires: Speed Rating: S
  • Tires: Width: 265 mm
  • Total Number of Speakers: 6
  • Trailer hitch
  • Transfer Case Two-Speed Electronic Autotrac With Push Button Control
  • Transmission 10-Speed Automatic Electronically Controlled With Overdrive And…
  • Transmission hill holder
  • Trip computer
  • Two 12V DC power outlets
  • Type of tires: AS
  • Universal Home Remote
  • Urethane shift knob trim
  • Usb Ports 2 (First Row) Located On Instrument Panel
  • Variable intermittent front wipers
  • Vehicle Emissions: LEV II
  • Video Monitor Location: Front
  • Wheel Diameter: 18
  • Wheel Width: 8.5
  • Wheels 20 X 9 (50.8 Cm X 22.9 Cm) Polished Aluminum
  • Window Power Rear Sliding With Rear Defogger
  • Wireless Charging
  • X31 Off-Road And Protection Package Includes (X31) Off-Road Package (Cgn) Sp…
  • X31 Off-Road Package Includes Off-Road Suspension (Jhd) Hill Descent Control…

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

Southwest Motors

(124 reviews)
2600 W U.S. Hwy 50, Pueblo, CO 81008

Seller’s notes about this car

Delivers 26 Highway MPG and 22 City MPG! This GMC Sierra 1500 delivers a Diesel I6 3.0L/183 engine powering this Automatic transmission. X31 OFF-ROAD PACKAGE includes Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates, (K47) heavy-duty air filter and X31 hard badge Includes (NQH) 2-speed transfer case, (XCK) 265/65R18SL all-terrain, blackwall tires and (N10) dual exhaust., X31 OFF-ROAD AND PROTECTION PACKAGE includes (X31) Off-Road Package, (CGN) spray-on bedliner and (RIA) All-weather floor liners, LPO Includes (NZM) 20 Polished aluminum wheels and (QAE) 275/60R20 all-terrain, blackwall tires., WIRELESS CHARGING.This GMC Sierra 1500 Comes Equipped with These Options SLT PREFERRED PACKAGE includes (IOT) 8 diagonal Premium GMC Infotainment with navigation, (UQA) Bose Premium Audio System and (K4C) Wireless Charging, SLT CONVENIENCE PACKAGE includes (A50) bucket seats with (D07) center console, (KQV) ventilated front seats, (A48) rear sliding power window, (UG1) Universal Home Remote, (MCZ) 2 USB ports with auxiliary input (IP Mounted), (MCR) 2 USB Ports/SD Card/Aux Jack (Inside Console with bucket seats) and (KA6) rear heated seats (KA6) Heated Second Row Outboard Seats are included on Crew Cab models built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.), SEATS, HEATED SECOND ROW OUTBOARD SEATS (Included and only available with (PCY) SLT Convenience Package on vehicles built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.), DRIVER ALERT PACKAGE II includes (UEU) Forward Collision Alert, (UHX) Lane Keep Assist/Lane Departure Warning, (UHY) Automatic Emergency Braking, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (KSG) Adaptive Cruise Control and (UE4) Following Distance Indicator Includes (HS1) Safety Alert Seat., DRIVER ALERT PACKAGE I includes (UD5) Front and Rear Park Assist, (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting. Includes (V76) recovery hooks on 2WD models. , USB PORTS, 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL, UNIVERSAL HOME REMOTE, TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode.
Southwest Motors has over 60 local and national lenders for all credit situations.

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Customize your payment

Based on est. car price of $40,985 at ...% APR* and ...% sales tax.
$...
Car price
$40,985
Down payment
-Not Priced
Trade-in value
-Not Priced
Estimated sales tax ...%
(based on ZIP)
+
Other fees*
Not included
Total loan amount
Total interest paid
(over life of loan)
+
Total loan & interest paid
Monthly payment
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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
10 people out of 12 found this review helpful. Did you?
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See all 56 consumer reviews
Explore the 2021 GMC Sierra 1500 SLT

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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.

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