Used GMC Sierra 1500 SLT for Sale near Merino, CO
393 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 42,930
- Stock #:
- 331087
- VIN:
- 3GTU9DED0LG331087
Sponsored by Sterling Autoplex
2020 GMC Sierra 1500
SLT Crew Cab 4WD
42,930 mi
Frederick, CO
94 mi away
Good Deal
$37,826
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 120,746
- Stock #:
- 468610
- VIN:
- 3GTU2NEJ9JG468610
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab 4WD
120,746 mi
Frederick, CO
94 mi away
Good Deal
$25,203
- 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:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Dark Ash
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 115,587
- Stock #:
- 46072B
- VIN:
- 3GTU2VECXFG464798
Sponsored Listing
2015 GMC Sierra 1500
SLT Crew Cab 4WD
115,587 mi
Longmont, CO
99 mi away
Fair Deal
$24,899
- 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:
- Deep Mahogany Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 51,821
- Stock #:
- BC23024
- VIN:
- 1GTU9DED8LZ149234
2020 GMC Sierra 1500
SLT Crew Cab 4WD
51,821 mi
Frederick, CO
94 mi away
Fair Deal
$38,594
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,928
- Stock #:
- 103216
- VIN:
- 3GTU2NEC9JG103216
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,928 mi
Frederick, CO
94 mi away
Good Deal
$27,600
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 53,084
- Stock #:
- BC22831
- VIN:
- 1GTUUDED2RZ211315
2024 GMC Sierra 1500
SLT Crew Cab 4WD
53,084 mi
Frederick, CO
94 mi away
Great Deal
$40,594
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 120,746
- Stock #:
- 468610
- VIN:
- 3GTU2NEJ9JG468610
2018 GMC Sierra 1500
SLT Crew Cab 4WD
120,746 mi
Frederick, CO
94 mi away
Good Deal
$25,203
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Pacific Blue Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,907
- Stock #:
- 311212
- VIN:
- 1GTU9DED7MZ311212
2021 GMC Sierra 1500
SLT Crew Cab 4WD
57,907 mi
Yuma, CO
40 mi away
Fair Deal
$39,785
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Cocoa/Dune
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 185,474
- Stock #:
- AN46984
- VIN:
- 3GTP1VECXEG546903
2014 GMC Sierra 1500
SLT Crew Cab
185,474 mi
Longmont, CO
99 mi away
Good Deal
$14,362
- 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:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 42,954
- Stock #:
- P3202
- VIN:
- 1GTUUDED4SZ130015
2025 GMC Sierra 1500
SLT Crew Cab 4WD
42,954 mi
Dacono, CO
93 mi away
Good Deal
$40,000
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 33,204
- Stock #:
- TF302988A
- VIN:
- 3GTUUDE83SG381384
2025 GMC Sierra 1500
SLT Crew Cab 4WD
33,204 mi
Loveland, CO
91 mi away
Good Deal
$47,160
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 52,420
- Stock #:
- U17003
- VIN:
- 3GTUUDE86RG183134
2024 GMC Sierra 1500
SLT Crew Cab 4WD
52,420 mi
Henderson, CO
97 mi away
Great Deal
$42,593
- Year:
- 2019
- 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:
- 8-Speed Automatic Overdrive
- Mileage:
- 73,933
- Stock #:
- 4160
- VIN:
- 1GTU9DED5KZ418031
2019 GMC Sierra 1500
SLT Crew Cab 4WD
73,933 mi
Home delivery from Yakima, WA
Price includes $1,434 shipping
Good Deal
$33,640
- Year:
- 2010
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 315 hp 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Flex Fuel Vehicle
- Transmission:
- 6-Speed Automatic
- Mileage:
- 68,578
- Stock #:
- P3137B
- VIN:
- 3GTRKWE36AG248595
New arrival
2010 GMC Sierra 1500
SLT Crew Cab 4WD
68,578 mi
Burlington, CO
100 mi away
Fair Deal
$17,014
- 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:
- Titanium Rush Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 41,369
- Stock #:
- P12947
- VIN:
- 1GTUUDED3SZ127624
2025 GMC Sierra 1500
SLT Crew Cab 4WD
41,369 mi
Cheyenne, WY
92 mi away
Great Deal
$41,730
- 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:
- Gray
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate, Perforated Leather-Appointed Fr
- Transmission:
- Automatic
- Mileage:
- 52,886
- Stock #:
- TPG147432
- VIN:
- 3GTUUDED7PG147432
2023 GMC Sierra 1500
SLT Crew Cab 4WD
52,886 mi
Home delivery from Highlands Ranch, CO
Free home delivery
Good Deal
$43,735
- 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:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 109,876
- Stock #:
- 17857
- VIN:
- 3GTU2NEC5JG504150
2018 GMC Sierra 1500
SLT Crew Cab 4WD
109,876 mi
Longmont, CO
96 mi away
Good Deal
$25,882
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 127,743
- Stock #:
- 815
- VIN:
- 3GTP1NEC1HG472193
2017 GMC Sierra 1500
SLT Crew Cab
127,743 mi
Home delivery from Houston, TX
Price includes $1,292 shipping
Fair Deal
$22,772
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 42,930
- Stock #:
- 331087
- VIN:
- 3GTU9DED0LG331087
2020 GMC Sierra 1500
SLT Crew Cab 4WD
42,930 mi
Frederick, CO
94 mi away
Good Deal
$37,826
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 87,594
- Stock #:
- 5084
- VIN:
- 1GTV2NEC2HZ108000
New arrival
2017 GMC Sierra 1500
SLT Double Cab 4WD
87,594 mi
Home delivery from Chantilly, VA
Price includes $2,054 shipping
Great Deal
$22,848
- 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:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 14,361
- Stock #:
- 15240
- VIN:
- 1GTUUDED7SZ261486
Price drop
-$931
2025 GMC Sierra 1500
SLT Crew Cab 4WD
14,361 mi
Home delivery from Nashville, TN
Price includes $2,358 shipping
Good Deal
$48,075
$47,144
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- White Diamond Clearcoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 138,124
- Stock #:
- STK58714T
- VIN:
- 3GTU2VEC9EG358714
New arrival
2014 GMC Sierra 1500
SLT Crew Cab 4WD
138,124 mi
Home delivery from Elwood, IN
Price includes $916 shipping
Great Deal
$13,916
- 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:
- Red Quartz Tintcoat
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 78,518
- Stock #:
- GTJG274691A
- VIN:
- 3GTU2NEC5JG274691
Price drop
-$1,013
2018 GMC Sierra 1500
SLT Crew Cab 4WD
78,518 mi
Greeley, CO
79 mi away
Good Deal
$30,689
$29,676
- 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:
- White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 111,330
- Stock #:
- 11916
- VIN:
- 3GTU2VEC0FG145247
Sponsored Listing
2015 GMC Sierra 1500
SLT Crew Cab 4WD
111,330 mi
Commerce City, CO
98 mi away
Fair Deal
$23,500
FAQs
How much does the GMC Sierra 1500 SLT cost in Merino, CO?
The average GMC Sierra 1500 SLT costs about $11,514.75. The average price has decreased by -3.2% since last year. The 377 for sale near Merino, CO on CarGurus, range from $5,768 to $70,897 in price.
How many GMC Sierra 1500 SLT vehicles in Merino, CO have no reported accidents or damage?
295 out of 377 for sale near Merino, CO 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.
Relevant articles
CarGurus Editorial Team
Best Cars for New Parents
Discover the best family cars for first-time parents in 2025, accounting for door access, car seat compatibility, and other real-world considerations new parents will want to keep in mind.
Drew Johnson
The Cheapest New Trucks on Sale in 2026
Is there such a thing as a cheap new truck any more? Absolutely! Here's our expert guide to the top 10 cheapest new trucks on sale.
CarGurus Editorial Team
The Best Gas Mileage Trucks of 2026
No one wants to cover unnecessary fuel expenses, particularly when operating a business. Here are the top 9 pickup trucks in the US market with the best fuel efficiency.
GMC Sierra 1500 SLT in Merino COGMC Sierra 1500 Denali in Merino COGMC Sierra 1500 AT4 in Merino COGMC Sierra 1500 Elevation in Merino COGMC Sierra 1500 SLE in Merino COGMC Sierra 1500 Base in Merino COGMC Sierra 1500 Work Truck in Merino COGMC Sierra 1500 SL in Merino COGMC Sierra 1500 SLE1 in Merino COGMC Sierra 1500 SLE2 in Merino CO
GMC Sierra 1500 in Merino COOBS 1990s-era Chevy and Ford Trucks for Sale in Merino COUsed GMC Electric Cars for SaleLifted GMC trucks for sale in Merino COWork Trucks for Sale in Merino COAmerican Made Trucks For Sale in Merino COGM Certified Preowned Vehicles for Sale Near Merino COBest Pickup Trucks For Sale in Merino CO
All Used CarsManual Transmission CarsLuxury CarsCars with Red InteriorCheap Manual CarsHybrid CarsSports CarsElectric SUVsCheap TrucksSmall CarsThird Row SUVsThree Quarter Ton TrucksLifted TrucksManual Transmission TrucksDiesel TrucksHybrid SUVsDually TrucksOne Ton TrucksCheap SUVsLifted Ford Trucks4x4 TrucksWork TrucksAWD SUVsFord TrucksChevrolet TrucksToyota TrucksTrucks Under $10,000Cars Under $15,000Sports Cars Under $20,000Trucks Under $20,000Used Sedans for Sale with Low Mileage in MerinoUsed SUVs / Crossovers for Sale with Low Mileage in MerinoUsed Hatchbacks for Sale with Low Mileage in MerinoUsed Convertibles for Sale with Low Mileage in MerinoUsed Vans for Sale with Low Mileage in MerinoUsed Minivans for Sale with Low Mileage in MerinoUsed Pickup Trucks for Sale with Low Mileage in MerinoUsed Coupes for Sale with Low Mileage in MerinoUsed Wagons for Sale with Low Mileage in Merino
