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2020 GMC Sierra 1500 SLT

Specifications, live market data, colors, and factory features.

469 for sale right now

$16,000$49,899

View Listings

Specifications

355
Horsepower
383
lb-ft Torque
19
MPG Combined
6
Seats
$50k
Base MSRP

Performance

Engine
5.3L 8-Cylinder L84 - DI, DFM, ALUM, GEN 5, VAR 2
Horsepower
355 hp
Torque
383 lb-ft
Transmission
10-Speed Automatic
Drivetrain
4WD

Fuel & Efficiency

Fuel
Gasoline
MPG City
16 mpg
MPG Highway
22 mpg
MPG Combined
19 mpg
Fuel Tank
24 gal

Dimensions

Length
231.7″
Width
81.2″
Height
75.5″
Wheelbase
147.4″
Curb Weight
5,040 lbs

Body & Practicality

Body Style
Truck
Doors
4
Seating
6
Base MSRP
$50,200

Colors

Factory colors on 2020 GMC Sierra 1500 SLTs for sale now.

Exterior

  • Summit White(white)44
  • Onyx Black(black)42
  • Satin Steel Metallic(gray)27
  • Dark Sky Metallic(gray)19
  • Quicksilver Metallic(silver)19
  • White13
  • Red Quartz Tintcoat(red)12
  • White Frost Tricoat(white)9
  • Pacific Blue Metallic(blue)9
  • Gray9

Interior

  • Jet Black(black)136
  • Dark Walnut/Slate(gray)41
  • Black21
  • Dark Walnut(brown)18
  • Gray8
  • Dark Walnut/Dark Ash Gray(brown)2
  • Jet Black Perforated Leather Appointed Front Seat(black)1
  • Dark Walnut/Slate, Perforated leather-appointed fr(brown)1
  • Tan(brown)1

Live Market Data

Computed from active 2020 GMC Sierra 1500 SLT listings nationwide, updated continuously.

For sale now469
Median price$33,190
Average price$33,281
Price range$16,000 – $49,899
Median vs. MSRP−$17,010
Avg. days on market52
Avg. mileage92,430 mi
New / Used0 / 469

Price Distribution

median $33k$23k$44k

Price vs. Mileage

0 mi169k mi$44k$23k

Latest SLT Listings

The newest 2020 GMC Sierra 1500 SLTs on the market.

View all 469
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$38,723

90,792 mi

Est. $565/mo*

1 day on market
SilverBlack

Mundo Auto Sales Inc.

Elgin, IL
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$42,528

28,436 mi

Est. $619/mo*

1 day on market
BlackBlack

Lindsay Chevrolet of Front Royal

Front Royal, VA
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$36,399

76,417 mi

Est. $532/mo*

1 day on market
BlackBlack

Dobbs Brothers Chevrolet

Bartlett, TN
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$32,619

121,628 mi

Est. $478/mo*

1 day on market
SilverBlack

Patriot Chrysler Dodge Jeep RAM of Pryor

Pryor, OK
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$35,444

94,900 mi

Est. $518/mo*

1 day on market
GrayBlack

Wayne Akers Ford

Lake Worth, FL
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$40,529

70,987 mi

Est. $591/mo*

1 day on market
BlueBlack

Dealers Choice Porterville

Porterville, CA
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$32,580

116,922 mi

Est. $478/mo*

1 day on market
WhiteBlack

Chapman Chevrolet GMC

Yuma, AZ
View Used 2020 GMC Sierra 1500 listing

Used 2020 GMC Sierra 1500

SLT

$37,584

83,378 mi

Est. $549/mo*

1 day on market
BlackBlack

Chapman Honda Tucson

Tucson, AZ

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The median 2020 GMC Sierra 1500 SLT lists for $33,190 today.

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Factory Features

Standard equipment from the window sticker, reviewed for accuracy.

Comfort & Convenience

  • Keyless Open and Start
  • Remote vehicle start
  • 120-volt power outlets (instrument panel and cargo bed)
  • 2 front and 2 rear USB ports
  • Color Driver Information Center

Entertainment

  • Premium GMC Infotainment System with 8" diagonal HD color touchscreen
  • Voice recognition
  • Bluetooth audio streaming
  • Apple CarPlay capability
  • Android Auto capability
  • In-vehicle apps and personalization capable
  • SiriusXM radio capable (subscription sold separately)
  • 4G LTE Wi-Fi hotspot capable (OnStar; service plan/data may be required)

Exterior

  • GMC MultiPro six-function tailgate (standard on SLT)
  • 18" 6-spoke machined aluminum wheels with Dark Gray Metallic accents
  • LED reflector high-intensity headlamps with signature daytime running lamps
  • LED signature taillamps
  • LED fog lamps
  • LED cargo area lighting
  • Chrome accents on grille, front/rear bumpers, fog lamps, side-window surrounds, mirror caps, and door handles
  • Power-folding, heated outside mirrors with auto-dimming
  • CornerStep rear bumper with large corner steps
  • 12 fixed cargo tie-downs
  • Rear wheelhouse liners
  • Rear-window defogger
  • Front recovery hooks (as listed standard on factory SLT window stickers; typically 4WD configuration)

Interior

  • Perforated leather-appointed front seating (Dark Walnut/Slate or Jet Black perforated — standard SLT appointments)
  • Heated front seats
  • 10-way power front seat adjusters (front outboard)
  • Driver seat and outside mirror memory
  • Rear 60/40 folding bench seat with storage package / rear seatback and under-seat storage
  • Dual-zone automatic climate control
  • Rear HVAC vents (Double Cab and Crew Cab)
  • Heated, leather-wrapped steering wheel
  • Carpeted floor mats
  • Cypress wood-tone interior accents; Aegis patterned aluminum interior finishes (SLT standard finishes)

Mechanical & Performance

  • 5.3L EcoTec3 V8 with Dynamic Fuel Management (355 hp / 383 lb-ft) — standard SLT powertrain
  • 8-speed automatic transmission on 2WD models; 10-speed automatic on 4WD models with the standard 5.3L V8
  • Auto-locking rear differential
  • StabiliTrak electronic stability control with Trailer Sway Control and Hill Start Assist
  • Traction control
  • Duralife brake rotors
  • Brake pad wear monitoring
  • 170-amp alternator (gasoline)
  • All-season tires
  • Trailering Package (trailer hitch, 7-pin and 4-pin connectors)
  • Integrated trailer brake controller
  • ProGrade Trailering System with in-vehicle Trailering App
  • 2-speed Autotrac electronic transfer case with terrain mode (4WD models)

Safety & Security

  • HD Rear Vision Camera
  • Teen Driver mode
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Rear Seat Reminder
  • StabiliTrak with Traction Control and Hill Start Assist
  • OnStar services capable

Warranty

  • 3-year/36,000-mile bumper-to-bumper limited warranty
  • 5-year/60,000-mile powertrain limited warranty (gasoline; diesel SLT: 5-year/100,000-mile powertrain when equipped with 3.0L Duramax)
  • Roadside Assistance and Courtesy Transportation for the duration of the Powertrain Limited Warranty
  • First maintenance visit
  • 6-year/100,000-mile rust-through corrosion coverage