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Used 2020 GMC Sierra 1500 trucks for sale near Forest Lake, IL

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21 matches 30 miles from 60047
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Est. $400 /mo*
Down Payment
$0
Net trade-in value
$0
Months
72
APR
7.0%
Sales tax
0.0%

*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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2020 GMC Sierra 1500 SLT

Used

2020 GMC Sierra 1500 SLT

112,764 mi.
$29,995
Est. $552/mo*
Free CARFAX Report
Marquardt of Barrington GMC
(762 reviews)
Barrington, IL (7 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: Quicksilver Metallic
Int. color: Jet Black, Perforated Leather-Appointed Front Seat Trim
Drivetrain: Four-wheel Drive
MPG: 16-22
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: P5341A
VIN: 3GTU9DED8LG327921

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Marquardt of Barrington GMC review

Great service and people fast and easy buying process

March 21, 2025
By JESSICA RAMOS from Bensenville, IL

Great service and people fast and easy buying process will recommend to other family and friends fun environment and provide coffee and water will be back for all my service needs and repairs

2020 GMC Sierra 1500 SLT review

Great truck!

January 10, 2024
By William from Hoover, Al
Owns this car

I bought my 2020 with 36k miles a couple of years ago and I now have 60k miles of trouble free very enjoyable driving. It was expensive, but worth every penny. The ride is so quiet and comfortable my wife and I prefer traveling in it instead of our 2018 Acura MDX which we also love. The 5.3 V8 has plenty of power and towing ability. The multi-function tail gate is genius, I hope to never be without one again. We so enjoy all the bells and whistles, especially the wireless phone charger. So glad I bought this truck!

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2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation View all 26 photos

GMC Certified

2020 GMC Sierra 1500 Elevation

51,624 mi.
$32,950 $1,500 price drop
Est. $607/mo*
Free CARFAX 1-Owner Report
Rizza Cadillac Buick GMC
Tinley Park, IL (44 mi.)

Vehicle information

Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG: 19-22
Fuel type: Gasoline
Transmission: Automatic
Engine: 2.7L I-4 gasoline direct injection, DOHC, variable valve control
Stock #: 23925T
VIN: 3GTP9CEK2LG101167

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE View all 11 photos

Used

2020 GMC Sierra 1500 SLE

9,570 mi.
$33,000 $900 price drop
Est. $608/mo*
Free CARFAX Report
Russ Darrow Waukesha Kia
Waukesha, WI (58 mi.)

Vehicle information

Ext. color: Pacific Blue Metallic
Int. color: Dark Walnut
Drivetrain: Four-wheel Drive
MPG: 19-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: WK25730B
VIN: 1GTR9BED9LZ264743

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port
Exterior: Alloy Wheels, Tow Hooks
Safety: Backup Camera, Brake Assist, Stability Control
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali View all 22 photos

Used

2020 GMC Sierra 1500 Denali

80,825 mi.
$37,399 $1,300 price drop
Est. $689/mo*
Free CARFAX Report
Tera Chevrolet GMC
Sandwich, IL (48 mi.)

Vehicle information

Ext. color: Dark Sky Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG: 15-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: 50529A
VIN: 3GTU9FEL4LG178670

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT View all 27 photos

Used

2020 GMC Sierra 1500 SLT

94,693 mi.
$32,604 $106 price drop
Est. $600/mo*
Free CARFAX 1-Owner Report
Webb Chevy
Oak Lawn, IL (37 mi.)

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG: 16-22
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: 21056P
VIN: 3GTU9DEDXLG217467

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLE View all 17 photos

Used

2020 GMC Sierra 1500 SLE

83,515 mi.
$30,617
Est. $564/mo*
Free CARFAX 1-Owner Report
Heiser Chevrolet of West Bend
West Bend, WI (86 mi.)

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG: 16-22
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: W14493A
VIN: 1GTU9BED5LZ327296

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Denali View all 29 photos

Used

2020 GMC Sierra 1500 Denali

102,394 mi.
$34,249 $500 price drop
Est. $631/mo*
Free CARFAX Report
Boucher Hyundai of Waukesha
Waukesha, WI (58 mi.)

Vehicle information

Ext. color: Pacific Blue Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG: 15-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: PN6909
VIN: 1GTU9FELXLZ232263

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 Elevation View all 39 photos

Used

2020 GMC Sierra 1500 Elevation

51,613 mi.
$31,448 $197 price drop
Est. $579/mo*
Free CARFAX Report
Kayser Chrysler Center Watertown
Watertown, WI (77 mi.)

Vehicle information

Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Rear-wheel Drive
MPG: 20-23
Fuel type: Gasoline
Transmission: Automatic
Engine: 2.7L I-4 gasoline direct injection, DOHC, variable valve control
Stock #: 38633
VIN: 1GTR8CEK7LZ313428

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT
2020 GMC Sierra 1500 SLT View all 32 photos

Used

2020 GMC Sierra 1500 SLT

52,208 mi.
$37,995
Est. $700/mo*
Free CARFAX Report
Motor Cars Mitsubishi
Aurora, IL (33 mi.)

Vehicle information

Ext. color: Satin Steel Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG: 16-22
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 5.3L V-8 gasoline direct injection, variable valve contr
Stock #: 1015
VIN: 3GTU9DED5LG435008

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2020 GMC Sierra 1500 Base
2020 GMC Sierra 1500 Base
2020 GMC Sierra 1500 Base
2020 GMC Sierra 1500 Base
2020 GMC Sierra 1500 Base
2020 GMC Sierra 1500 Base View all 27 photos

Used

2020 GMC Sierra 1500 Base

38,617 mi.
$29,998
Est. $552/mo*
Free AutoCheck Report
CarMax Oak Lawn
Oak Lawn, IL (36 mi.)

Vehicle information

Ext. color: White
Int. color: BLACK
Drivetrain: Four-wheel Drive
MPG: 15-20
Fuel type: Gasoline
Transmission: Automatic
Engine: Gas
Stock #: 27715793
VIN: 1GTR9AEH6LZ204223

Features

Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®
Safety: Backup Camera
2020 GMC Sierra 1500 AT4
2020 GMC Sierra 1500 AT4
2020 GMC Sierra 1500 AT4
2020 GMC Sierra 1500 AT4
2020 GMC Sierra 1500 AT4
2020 GMC Sierra 1500 AT4 View all 35 photos

Used

2020 GMC Sierra 1500 AT4

85,629 mi.
$36,448
Est. $671/mo*
Free CARFAX Report
BMW of Milwaukee North
Glendale, WI (65 mi.)

Vehicle information

Ext. color: Steel Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG: 22-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: B45255B
VIN: 1GTU9EET3LZ321103

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $62,478
2025 GMC Sierra 1500 $54,448 5 Good deals
2024 GMC Sierra 1500 $52,411 5 Great deals
2023 GMC Sierra 1500 $46,371 23 Good deals
2022 GMC Sierra 1500 $42,892 18 Good deals
2021 GMC Sierra 1500 $37,037 22 Good deals
2019 GMC Sierra 1500 $33,615 9 Good deals
2018 GMC Sierra 1500 $28,801 6 Good deals
2017 GMC Sierra 1500 $22,326 6 Good deals

*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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