Used GMC Sierra 1500 SLT for Sale near Colorado

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Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate
Transmission:
Automatic
Mileage:
95,441
Stock #:
G667012A
VIN:
3GTU9DED0LG327282
Summit White 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Johnson Auto Plaza

Sponsored by Johnson Auto Plaza

2020 GMC Sierra 1500

SLT Crew Cab 4WD

95,441 mi

Brighton, CO
15 mi away
Fair Deal

$33,488

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
White Frost Tricoat
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
82,219
Stock #:
JG373124
VIN:
3GTU2NEC5JG373124
White Frost Tricoat 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 6-Speed Automatic
Price drop

-$993

Sponsored Listing

2018 GMC Sierra 1500

SLT Crew Cab 4WD

82,219 mi

Englewood, CO
13 mi away
Good Deal

$29,991

$28,998

Year:
2015
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Black
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
127,803
Stock #:
A408
VIN:
3GTU2VEC3FG476033
Black 2015 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2015 GMC Sierra 1500

SLT Crew Cab 4WD

127,803 mi

Denver, CO
4 mi away
Great Deal

$16,998

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
52,202
Stock #:
B52717
VIN:
3GTUUDEDXSG302483
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2025 GMC Sierra 1500

SLT Crew Cab 4WD

52,202 mi

Denver, CO
5 mi away
Good Deal

$40,487

$38,487

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
8-Speed Automatic Overdrive
Mileage:
61,387
Stock #:
G681896B
VIN:
3GTU2NEC2JG344891
Onyx Black 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 8-Speed Automatic Overdrive
New arrival

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

61,387 mi

Brighton, CO
15 mi away
Fair Deal

$32,488

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Gray
Fuel type:
Gasoline
Transmission:
6-Speed Automatic
Mileage:
100,138
Stock #:
26218
VIN:
3GTU2NEJ6JG349669
Gray 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

100,138 mi

Franktown, CO
28 mi away
Great Deal

$24,500

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
7,209
Stock #:
L283244A
VIN:
3GTUUDE8XTG283244
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

7,209 mi

Longmont, CO
28 mi away
Fair Deal
Manufacturer certified

$53,769

Year:
2015
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Black
Fuel type:
Gasoline
Interior color:
Gray
Transmission:
6-Speed Automatic
Mileage:
92,413
Stock #:
26539
VIN:
3GTU2VEJ3FG481957
Black 2015 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2015 GMC Sierra 1500

SLT Crew Cab 4WD

92,413 mi

Franktown, CO
28 mi away
Fair Deal

$24,950

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Black
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
52,479
Stock #:
28690727
VIN:
3GTUUDEDXPG213827
Black 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 1500

SLT Crew Cab 4WD

52,479 mi

Store transfer to Denver, CO
Price includes $799 shipping
Fair Deal

$41,797

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Black
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
89,837
Stock #:
28882622
VIN:
3GTU2NEC4JG329728
Black 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

89,837 mi

Store transfer to Denver, CO
Price includes $499 shipping
Fair Deal

$29,497

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Summit White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
70,967
Stock #:
46860A
VIN:
1GTUUDEL8PZ119825
Summit White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2023 GMC Sierra 1500

SLT Crew Cab 4WD

70,967 mi

Longmont, CO
29 mi away
Fair Deal

$40,910

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Summit White
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate
Transmission:
Automatic
Mileage:
95,441
Stock #:
G667012A
VIN:
3GTU9DED0LG327282
Summit White 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Johnson Auto Plaza

Sponsored by Johnson Auto Plaza

2020 GMC Sierra 1500

SLT Crew Cab 4WD

95,441 mi

Brighton, CO
15 mi away
Fair Deal

$33,488

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
White Frost Tricoat
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
82,219
Stock #:
JG373124
VIN:
3GTU2NEC5JG373124
White Frost Tricoat 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 6-Speed Automatic
Price drop

-$993

Sponsored Listing

2018 GMC Sierra 1500

SLT Crew Cab 4WD

82,219 mi

Englewood, CO
13 mi away
Good Deal

$29,991

$28,998

Year:
2015
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Black
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
127,803
Stock #:
A408
VIN:
3GTU2VEC3FG476033
Black 2015 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2015 GMC Sierra 1500

SLT Crew Cab 4WD

127,803 mi

Denver, CO
4 mi away
Great Deal

$16,998

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
52,202
Stock #:
B52717
VIN:
3GTUUDEDXSG302483
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,000

 

2025 GMC Sierra 1500

SLT Crew Cab 4WD

52,202 mi

Denver, CO
5 mi away
Good Deal

$40,487

$38,487

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
8-Speed Automatic Overdrive
Mileage:
61,387
Stock #:
G681896B
VIN:
3GTU2NEC2JG344891
Onyx Black 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 8-Speed Automatic Overdrive
New arrival

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

61,387 mi

Brighton, CO
15 mi away
Fair Deal

$32,488

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Gray
Fuel type:
Gasoline
Transmission:
6-Speed Automatic
Mileage:
100,138
Stock #:
26218
VIN:
3GTU2NEJ6JG349669
Gray 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

100,138 mi

Franktown, CO
28 mi away
Great Deal

$24,500

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
7,209
Stock #:
L283244A
VIN:
3GTUUDE8XTG283244
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

7,209 mi

Longmont, CO
28 mi away
Fair Deal
Manufacturer certified

$53,769

Year:
2015
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Black
Fuel type:
Gasoline
Interior color:
Gray
Transmission:
6-Speed Automatic
Mileage:
92,413
Stock #:
26539
VIN:
3GTU2VEJ3FG481957
Black 2015 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 6-Speed Automatic

 

2015 GMC Sierra 1500

SLT Crew Cab 4WD

92,413 mi

Franktown, CO
28 mi away
Fair Deal

$24,950

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Black
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
52,479
Stock #:
28690727
VIN:
3GTUUDEDXPG213827
Black 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2023 GMC Sierra 1500

SLT Crew Cab 4WD

52,479 mi

Store transfer to Denver, CO
Price includes $799 shipping
Fair Deal

$41,797

Year:
2018
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Black
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
89,837
Stock #:
28882622
VIN:
3GTU2NEC4JG329728
Black 2018 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2018 GMC Sierra 1500

SLT Crew Cab 4WD

89,837 mi

Store transfer to Denver, CO
Price includes $499 shipping
Fair Deal

$29,497

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Summit White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
70,967
Stock #:
46860A
VIN:
1GTUUDEL8PZ119825
Summit White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2023 GMC Sierra 1500

SLT Crew Cab 4WD

70,967 mi

Longmont, CO
29 mi away
Fair Deal

$40,910

FAQs

How much does the GMC Sierra 1500 SLT cost in Colorado?

The average GMC Sierra 1500 SLT costs about $10,939.46. The average price has decreased by -5.8% since last year. The 407 for sale near Colorado on CarGurus, range from $5,867 to $73,041 in price.

How many GMC Sierra 1500 SLT vehicles in Colorado have no reported accidents or damage?

339 out of 407 for sale near Colorado have no reported accidents or damage.

What is the fuel economy of the GMC Sierra 1500 SLT?

Depending on the engine and options, the GMC Sierra 1500 SLT gets between 11 and 24 MPG/MPGe.

What fuel types are available?

Diesel, Flex Fuel Vehicle, Gasoline engines are available.

*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.

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