Explore the Sierra 1500

Made for heavy-duty hauling and long-distance travel

Why you'll love this Sierra 1500

A capable full-size pickup that's versatile, well-equipped, and functional

Loaded
Loaded

45+ extra comfort and tech features like Apple CarPlay®, Android Auto™, Automated Cruise Control.

Premium Audio

BOSE Sound System

22 city/26 hwy

Miles Per Gallon

White

Exterior Color

Black

Interior Color

Four Wheel Drive

Drive Type

6-cyl, Turbo Diesel, 3.0L

Engine

Automatic

Transmission

5.5 ft

Bed Length

277

Horsepower

460 ft-lbs

Torque

Vehicle Features and Specs

Features

Installed Upgrades
Automated Cruise Control
Automatic Highbeams
Head Up Display
Lane Departure Warning
Sunroof(s)
Comfort & Convenience
A/C Seat(s)
Heated Steering Wheel
Rear Seat Heaters
Remote Start
Front Seat Heaters
Memory Seat(s)
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Universal Garage Door Opener
Driver Assistance‡
Blind Spot Monitor
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
BOSE Sound System
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
AM/FM Stereo
WiFi Hotspot
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
20 Inch Plus Wheels
Running Boards
Bed Liner
Alloy Wheels
Fog Lamps
Mechanical
Turbo Diesel Engine
Tow Hitch
Four Wheel Drive
Automatic Transmission
Key Specifications
5.5 ft
Bed Length
Four Wheel Drive
Drive Type
6-cyl, Turbo Diesel, 3.0L
Engine
White
Exterior Color
Black
Interior Color
22 city/26 hwy
Miles Per Gallon
Automatic
Transmission
Performance
24 gal
Fuel Capacity
277
Horsepower
460 ft-lbs
Torque
Measurements
241.25" x 81.24" x 75.4"
Dimensions (L x W x H)
43.03"
Driver Head Room
44.53"
Driver Leg Room
275/60R20SL
Front Tire Size (standard)
156.98"
Wheelbase

for the 2020 GMC Sierra 1500 Denali

Specs

Installed Upgrades
Automated Cruise Control
Automatic Highbeams
Head Up Display
Lane Departure Warning
Sunroof(s)
Comfort & Convenience
A/C Seat(s)
Heated Steering Wheel
Rear Seat Heaters
Remote Start
Front Seat Heaters
Memory Seat(s)
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Universal Garage Door Opener
Driver Assistance‡
Blind Spot Monitor
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
BOSE Sound System
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
AM/FM Stereo
WiFi Hotspot
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
20 Inch Plus Wheels
Running Boards
Bed Liner
Alloy Wheels
Fog Lamps
Mechanical
Turbo Diesel Engine
Tow Hitch
Four Wheel Drive
Automatic Transmission
Key Specifications
5.5 ft
Bed Length
Four Wheel Drive
Drive Type
6-cyl, Turbo Diesel, 3.0L
Engine
White
Exterior Color
Black
Interior Color
22 city/26 hwy
Miles Per Gallon
Automatic
Transmission
Performance
24 gal
Fuel Capacity
277
Horsepower
460 ft-lbs
Torque
Measurements
241.25" x 81.24" x 75.4"
Dimensions (L x W x H)
43.03"
Driver Head Room
44.53"
Driver Leg Room
275/60R20SL
Front Tire Size (standard)
156.98"
Wheelbase

for the 2020 GMC Sierra 1500 Denali

Standard OEM Features

These are standard original equipment manufacturer features for the 2020 GMC Sierra 1500 Denali. All available options are not listed below and may vary by car.

  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Air conditioning, dual-zone automatic climate control
  • Air filter, high-capacity
  • Air vents, rear
  • 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.)
  • Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Assist steps, Chrome wheel to wheel
  • Audio system, Premium GMC Infotainment System with Navigation and 8" diagonal color touch-screen, includes multi-touch display, AM/FM stereo Bluetooth streaming audio for music and most phones; featuring Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory (Note: (PZ8) Hitch Guidance with hitch view is included with trim.)
  • Automatic Stop/Start
  • Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine, (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
  • Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Denali logo replaces GMC logo. Deleted with (PCP) Denali CarbonPro Edition. Available with Ship Thru codes (VCO), (VDT), (VYC) or (VYS).)
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Bose Sound System, premium 7-speaker system with Richbass woofer
  • Brake lining wear indicator
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Bumper, front, body-color lower
  • Bumper, rear body-color with corner steps
  • Capless Fuel Fill
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Compass, located in instrument cluster
  • Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • CornerStep, rear bumper
  • Cruise control, steering wheel-mounted
  • Daytime Running Lamps LED signature lighting
  • Defogger, rear-window electric
  • Differential, heavy-duty locking rear
  • Door handles, chrome
  • Door locks, power
  • 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
  • Driver Information Center, enhanced, 8" diagonal multicolor digital display includes analog speedometer and tachometer gauges
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Engine, 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency (Not available with (PEC) Denali Ultimate Package.)
  • Exhaust, aluminized stainless-steel muffler and tailpipe
  • Exhaust, dual with premium tips
  • Exterior Temperature Display, located in radio display
  • Floor covering, color-keyed carpeting
  • Floor mats, carpeted front (Unique premium carpet. Deleted when (RIA) All-weather floor liner, LPO is ordered.)
  • Floor mats, carpeted rear (Unique premium carpet. Deleted when (RIA) All-weather floor liner, LPO is ordered.)
  • Fog lamps, LED
  • Four wheel drive
  • Frame, fully-boxed, hydroformed front section
  • Front and Rear Park Assist, ultrasonic
  • Glass, deep-tinted
  • GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
  • Grille (Signature Denali grille with high gloss Black mesh and Chrome inserts.)
  • GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
  • HD Rear Vision Camera
  • Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
  • Hitch Guidance with hitch view with Image adjustment, Pan/Zoom/Tilt
  • In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
  • Keyless Open and Start
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel.
  • Lane Change Alert with Side Blind Zone Alert
  • LED Cargo Area Lighting located in cargo box activated with switch on center switch bank or key fob
  • Mirror caps, chrome
  • Mirror, inside rearview auto-dimming
  • Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
  • Moldings, window surround, Chrome
  • OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Pickup bed
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Power outlet, box mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Power outlet, front auxiliary, 12-volt
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Power outlet, rear auxiliary, 12-volt
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
  • Radio, HD
  • Rear axle, 3.23 ratio
  • Rear Cross Traffic Alert
  • Rear Seat Reminder
  • Recovery hooks, chrome
  • Remote vehicle starter system
  • Safety Alert Seat
  • Seat adjuster, driver 10-way power including lumbar
  • Seat adjuster, passenger 10-way power including lumbar
  • 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) (Rear seat is leather-appointed.)
  • Seating, heated driver and front outboard passenger
  • Seating, heated driver and front passenger
  • Seats, front bucket with center console
  • Seats, heated second row outboard seats
  • Seats, ventilated driver and front passenger
  • SiriusXM Radio enjoy a 3-month All Access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus listening on the app and online is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. To cancel you must call us at 1-866-635-2349. See our Customer Agreement for complete terms at www.siriusxm.com. All fees and programming subject to change.)
  • SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations.)
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Steering column, lock control, electrical
  • Steering column, manual Tilt-Wheel and telescoping
  • Steering wheel audio controls
  • Steering wheel, heated
  • Steering wheel, leather-wrapped
  • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
  • Suspension, Adaptive Ride Control
  • Tailgate and bed rail protection caps, top
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Taillamps, LED signature taillight with LED stop and reverse light
  • Teen Driver mode 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
  • Teen Driver mode configurable feature that lets you activate customizable vehicle settings associated with a key fob, to encourage safe driving behavior. It can limit certain 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
  • Theft-deterrent system, unauthorized entry
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
  • Tire, spare 255/80R17SL all-season, blackwall
  • Tires, 275/60R20SL all-terrain, blackwall (Standard on 4WD models. Available as a free flow option on 2WD models.)
  • Trailer brake controller, integrated
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • Transfer case, active, 2-speed electronic Autotrac with rotary controls (4WD models only)
  • Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
  • Transmission, 10-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Available on 4WD models equipped with (L84) 5.3L EcoTec3 V8 engine. Included and only available with (L87) 6.2L EcoTec3 V8 engine or (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Transmission, 10-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Included and only available with (L84) 5.3L EcoTec3 V8 engine on 4WD models, (L87) 6.2L EcoTec3 V8 engine or (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Universal Home Remote
  • USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
  • USB ports, 2 (first row) located on instrument panel
  • Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
  • Wheelhouse liners, rear
  • Wheels, 20" x 9" (50.8 cm x 22.9 cm) multi-dimensional polished aluminum
  • Window, power front, passenger express up/down
  • Window, power, rear sliding with rear defogger
  • Windows, power front, drivers express up/down
  • Windows, power rear, express down
  • Wireless Charging

Comfort & Convenience
A/C Seat(s)
Heated Steering Wheel
Rear Seat Heaters
Remote Start
Front Seat Heaters
Memory Seat(s)
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Universal Garage Door Opener
Driver Assistance‡
Head Up Display
Lane Departure Warning
Automated Cruise Control
Blind Spot Monitor
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
BOSE Sound System
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
AM/FM Stereo
WiFi Hotspot

Life of this car

Multiple owners
Multiple owners
Reported by AutoCheck®
Used as dealer vehicle
Used as dealer vehicle
This vehicle was driven by a CarMax associate for personal use for no longer than 60 days.

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CarMax no-haggle pricing

Est. $609 /mo

5.64% APR • 72 mos. • $2,500 down

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Est. $609 /mo

5.64% APR • 72 mos. • $2,500 down

Over 97% get pre-qualified

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All credit types welcome

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Pay cash

$39,648

CategoryValue

Vehicle price

$36,998

Est. MD tax, title, fees

$2,650

Total

$39,648

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The 2020 GMC Sierra 1500 delivers powerful performance, capable towing, and a refined interior.

CarMax Certified quality

Drive with confidence

  • No flood or frame damage

  • No reported odometer problems

  • Deep cleaned interior

  • 125-point inspection

    View list
  • Vehicle history by AutoCheck®

    View report
  • 10-day money back guarantee

  • 30-day limited warranty

    Longer in some states. See store for details.

Cosmetic condition

Our cars are used, so you might spot a scratch or ding. We fix what’s needed to meet our cosmetic standards and leave some small blemishes so you get a better price.

Condition detail

Condition detail

See how this one stacks up

2020 GMC Sierra 1500 Denali
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Mileage

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CarMax Newark

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CarMax Turnersville

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$149 shipping | Est. arrival 10/16-10/24

CarMax Lancaster

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2023 GMC Sierra 1500 Pro
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$149 shipping | Est. arrival 10/15-10/23

CarMax Fredericksburg

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CarMax Charlottesville

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CarMax Roanoke

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CarMax Virginia Beach

Black / Gray

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Some extra features

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MPG

Learn about Sierra 1500 changes by year

Customer rating

4.7/5

11 Reviews

5 star

91%

4 star

0%

3 star

0%

2 star

9%

1 star

0%

What Sierra 1500 owners are saying
Summarized by Skye

The 2020 GMC Sierra 1500 excels with a powerful towing capacity, spacious interior, and diesel fuel efficiency. While overall satisfaction remains high, customers expressed concerns about seat comfort, lack of modern tech features, and occasional engine reliability issues. It remains a strong choice for versatility between work and everyday use.

Pros

Interior Space

Fuel Economy

Power

Cons

Seat Comfort

Cost to Maintain

Ride and Handling

The CarMax difference

CarMax Certified quality
Easy 10-day returns
30-day limited warranty
Longer in some states. See store for details.
Optional MaxCare® keeps you covered

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*Price excludes state and local taxes, title, registration, tags, and any optional products or services. Price assumes that final purchase will be made in the State of MD, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions. Limited warranty is 30 days. See store for details. We make every effort to provide accurate information, but please verify before purchasing.
† Available within a 60-mile radius of select stores. See store for details.
‡ Driver assistance features are not a substitute for attentive driving; the driver is responsible for vehicle operation at all times. Features may have limited functionality in certain situations. See this car’s Owner’s Manual and manufacturer information for full details and important limitations.
§ MPG/MPGe/range figures based on EPA estimates for vehicle sold as new; results will vary based on vehicle history and driving conditions.
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2020 GMC Sierra 1500 Denali

$36,998|