2020 GMC Sierra 1500SLT79k miles
$699 shippingEst. arrival 10/18-10/27
Ships from CarMax Knoxville, TN
Detailed history reportavailable
10-day money back returns
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

Well equipped
30+ popular features like Apple CarPlay®, Android Auto™, Automated Cruise Control.
Premium Audio
BOSE Sound System
16 city/22 hwy
Miles Per Gallon
Brown
Exterior Color
Black
Interior Color
Four Wheel Drive
Drive Type
8-cyl, Gas, 5.3L
Engine
Automatic
Transmission
5.5 ft
Bed Length
12,000 lbs
Towing Capacity (Max)
355
Horsepower
Vehicle Features and Specs
Features
Installed Upgrades
20 Inch Plus Wheels
A/C Seat(s)
Automated Cruise Control
Automatic Highbeams
Bed Cover
Bed Liner
Blind Spot Monitor
BOSE Sound System
Convenience Package
Cross-Traffic Alert
Lane Departure Warning
Navigation System
Parking Sensors
Rear Seat Heaters
Running Boards
Technology Package
Universal Garage Door Opener
Comfort & Convenience
Heated Steering Wheel
Remote Start
Front Seat Heaters
Memory Seat(s)
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Driver Assistance‡
Rear View Camera
Traction Control
ABS Brakes
Entertainment & Technology
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
WiFi Hotspot
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
Alloy Wheels
Fog Lamps
Mechanical
Tow Hitch
Automatic Transmission
Four Wheel Drive
Key Specifications
5.5 ft
Bed LengthFour Wheel Drive
Drive Type8-cyl, Gas, 5.3L
EngineBrown
Exterior ColorBlack
Interior Color16 city/22 hwy
Miles Per GallonAutomatic
TransmissionPerformance
24 gal
Fuel Capacity355
Horsepower383 ft-lbs
TorqueMeasurements
241.25" x 81.24" x 75.4"
Dimensions (L x W x H)43.03"
Driver Head Room44.53"
Driver Leg Room265/65R18SL
Front Tire Size (standard)156.98"
WheelbaseTrailering
12,000 lbs
Towing Capacity (Max)for the 2020 GMC Sierra 1500 SLT
Specs
Installed Upgrades
20 Inch Plus Wheels
A/C Seat(s)
Automated Cruise Control
Automatic Highbeams
Bed Cover
Bed Liner
Blind Spot Monitor
BOSE Sound System
Convenience Package
Cross-Traffic Alert
Lane Departure Warning
Navigation System
Parking Sensors
Rear Seat Heaters
Running Boards
Technology Package
Universal Garage Door Opener
Comfort & Convenience
Heated Steering Wheel
Remote Start
Front Seat Heaters
Memory Seat(s)
Smart Key
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Driver Assistance‡
Rear View Camera
Traction Control
ABS Brakes
Entertainment & Technology
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
WiFi Hotspot
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
Alloy Wheels
Fog Lamps
Mechanical
Tow Hitch
Automatic Transmission
Four Wheel Drive
Key Specifications
5.5 ft
Bed LengthFour Wheel Drive
Drive Type8-cyl, Gas, 5.3L
EngineBrown
Exterior ColorBlack
Interior Color16 city/22 hwy
Miles Per GallonAutomatic
TransmissionPerformance
24 gal
Fuel Capacity355
Horsepower383 ft-lbs
TorqueMeasurements
241.25" x 81.24" x 75.4"
Dimensions (L x W x H)43.03"
Driver Head Room44.53"
Driver Leg Room265/65R18SL
Front Tire Size (standard)156.98"
WheelbaseTrailering
12,000 lbs
Towing Capacity (Max)for the 2020 GMC Sierra 1500 SLT
Standard OEM Features
These are standard original equipment manufacturer features for the 2020 GMC Sierra 1500 SLT. 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 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 (NHT) Max Trailering Package, (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (VYU) Snow Plow Prep Package.)
- Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Audio system feature, 6-speaker system
- Audio system, Premium GMC Infotainment System with 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 (As of 4-17-20 Dealer upgrade to navigation is no longer available to order. Note: (PZ8) Hitch Guidance with hitch view is included with trim.)
- Audio system, Premium GMC Infotainment System with 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 (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.)
- Bluetooth for phone connectivity to vehicle infotainment system
- Brake lining wear indicator
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Bumper, front chrome lower
- Bumper, rear chrome with bumper CornerSteps
- Capless Fuel Fill
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- 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 Information Center, 4.2" diagonal color display includes driver personalization
- 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
- Exhaust, aluminized stainless-steel muffler and tailpipe
- Exhaust, single outlet
- Exterior Temperature Display, located in radio display
- Floor covering, color-keyed carpeting
- Floor mats, carpeted front (Deleted when (RIA) All-weather floor liner, LPO is ordered.)
- Floor mats, carpeted rear (Deleted when (RIA) All-weather floor liner, LPO is ordered.)
- Fog lamps, LED
- Four wheel drive
- Frame, fully-boxed, hydroformed front section
- Glass, deep-tinted
- GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
- Grille (Chrome surround 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 without (NHT) Max Trailering Package. Requires Crew Cab or Double Cab 2WD model with (L84) 5.3L EcoTec3 V8 engine and (NHT) Max Trailering Package. Requires 4WD Double Cab models and (LM2) Duramax 3.0L Turbo-Diesel I6 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
- Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
- 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.
- 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 Seat Reminder
- Recovery hooks, front, frame-mounted, Black (Included with 4WD models. Included and only available on 2WD models with (PQB) Driver Alert Package I. Not included when (VQY) chrome recovery hooks, LPO are ordered.)
- Recovery hooks, front, frame-mounted, Black (Included with 4WD models. Included and only available on 2WD models with (PQB) Driver Alert Package I.)
- Remote vehicle starter system
- 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)
- Seating, heated driver and front outboard passenger
- Seating, heated driver and front passenger
- Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (Not available with (PCY) SLT Convenience Package, (PDB) SLT Premium Package, (PDT) SLT Premium Plus Package or (PDW) Texas Edition SLT Premium Plus Package.)
- 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
- 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 265/70R17SL all-season, blackwall
- Tires, 265/65R18SL all-season, blackwall
- Trailer brake controller, integrated
- Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
- Transfer case, active, single-speed, electronic Autotrac with rotary controls (4WD models only)
- Transfer case, single 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.)
- USB Ports (Instrument Panel with bench seat), 2 also includes 1 SD card reader (first row) With bucket seats, USB Ports are located inside console and includes auxiliary jack
- USB ports, dual, charge-only (2nd row)
- Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
- Wheelhouse liners, rear
- Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) 6-spoke machined aluminum with Dark Grey Metallic accents
- Window, power front, passenger express up/down
- Windows, power front, drivers express up/down
- Windows, power rear, express down
Comfort & Convenience
Driver Assistance‡
Entertainment & Technology
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Est. $593 /mo
5.64% APR • 72 mos. • $2,500 down
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Est. $593 /mo
5.64% APR • 72 mos. • $2,500 down
Over 97% get pre-qualified
Takes less than 3 minutes to get results
All credit types welcome
No impact to your credit
Pay cash
$38,648
| Category | Value |
|---|---|
Vehicle price | $35,998 |
Est. MD tax, title, fees | $2,650 |
Total | $38,648† |
†Excludes $699 optional shipping (non-refundable)
Options to shop your way
Try it in person
Drive it today in or ship it for a test drive closer to home.
Buy it online
Ship and pick up in as soon as 10/18-10/27. Or choose home delivery. †
$699 optional shipping to by 10/18-10/27
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Even more to love
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 listVehicle history by AutoCheck®
View report10-day money back guarantee
30-day limited warranty
Longer in some states. See store for details.
See how this one stacks up
Learn about Sierra 1500 changes by year
Customer rating
4.7/5
11 Reviews5 star
91%
4 star
0%
3 star
0%
2 star
9%
1 star
0%
What Sierra 1500 owners are saying
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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† 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.
‖ Apple CarPlay and iPhone are trademarks of Apple Inc. Google, Android and Android Auto are trademarks of Google LLC.
¶All trademarks are the property of their respective owners. Use of a third-party trademark does not imply an endorsement or affiliation.
2020 GMC Sierra 1500 SLT
$35,998|

2020 GMC Sierra 1500 SLT
$35,998*
79K miles
Features
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
Lane Departure Warning
Automated Cruise Control
Blind Spot Monitor
Rear View Camera
Parking Sensors
Cross-Traffic Alert
Traction Control
ABS Brakes
BOSE Sound System
Navigation System
Apple CarPlay®
Android Auto™
Bluetooth Technology
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
WiFi Hotspot
Leather Seats
Side Airbags
Overhead Airbags
20 Inch Plus Wheels
Running Boards
Bed Cover
Bed Liner
Alloy Wheels
Automatic Highbeams
Fog Lamps
Tow Hitch
Automatic Transmission
Four Wheel Drive
Specifications
Miles Per Gallon
16 city/22 hwy
Exterior Color
Brown
Interior Color
Black
Drive Type
Four Wheel Drive
Engine
8-cyl, Gas, 5.3L
Transmission
Automatic
Bed Length
5.5 ft
Towing Capacity (Max)
12,000 lbs
Horsepower
355
Torque
383 ft-lbs
Dimensions (L x W x H)
241.25" x 81.24" x 75.4"
Wheelbase
156.98"
Driver Leg Room
44.53"
Driver Head Room
43.03"
Fuel Capacity
24 gal
Front Tire Size (standard)
265/65R18SL
*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.










































