Certified GMC Sierra 1500 for Sale nearLongmont, CO
24 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 8,153
- Stock #:
- P280100
- VIN:
- 3GTUUEE89SG280100
Price drop
-$3,145
Sponsored by Mike Maroone Cadillac Buick GMC
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
8,153 mi
Boulder, CO
12 mi away
Great Deal
$58,350
$56,100
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 42,563
- Stock #:
- TRG352490
- VIN:
- 3GTUUDED1RG352490
Sponsored Listing
2024 GMC Sierra 1500
SLT Crew Cab 4WD
42,563 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$46,981
- Year:
- 2021
- 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 (Dark Sky Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 13,668
- Stock #:
- DL9050D
- VIN:
- 1GTU9DELXMZ380838
Sponsored Listing
2021 GMC Sierra 1500
SLT Crew Cab 4WD
13,668 mi
Denver, CO
35 mi away
Fair Deal
$44,000
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- White
- Fuel type:
- Diesel
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 6,140
- Stock #:
- ASZ143161
- VIN:
- 1GTUUCE87SZ143161
2025 GMC Sierra 1500
Elevation Crew Cab 4WD
6,140 mi
Highlands Ranch, CO
42 mi away
Good Deal
$48,973
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Alpine Umber, Forge Perforated Leather Seat Trim
- Transmission:
- Automatic
- Mileage:
- 38,345
- Stock #:
- TPZ132612
- VIN:
- 1GTUUHEL2PZ132612
2023 GMC Sierra 1500
Denali Ultimate Crew Cab 4WD
38,345 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$58,081
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Red
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 24,913
- Stock #:
- ARZ138555
- VIN:
- 1GTUUEEL0RZ138555
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
24,913 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$54,332
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Brown
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 54,932
- Stock #:
- PRZ111338
- VIN:
- 1GTUUEEL0RZ111338
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
54,932 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$50,539
- 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:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 45,696
- Stock #:
- G225567
- VIN:
- 3GTU9BED4LG225567
2020 GMC Sierra 1500
SLE Crew Cab 4WD
45,696 mi
Boulder, CO
12 mi away
Good Deal
$33,590
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 29,338
- Stock #:
- 16649Z
- VIN:
- 3GTPUCEK2PG250862
2023 GMC Sierra 1500
Elevation Crew Cab 4WD
29,338 mi
Brighton, CO
21 mi away
Fair Deal
$40,999
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 7,006
- Stock #:
- TTG271936
- VIN:
- 3GTPUJEK2TG271936
2026 GMC Sierra 1500
Elevation Standard Crew Cab 4WD
7,006 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$46,481
- 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:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 8,153
- Stock #:
- P280100
- VIN:
- 3GTUUEE89SG280100
Price drop
-$3,145
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
8,153 mi
Boulder, CO
12 mi away
Great Deal
$58,350
$56,100
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- Automatic
- Mileage:
- 20,703
- Stock #:
- G622294Y
- VIN:
- 3GTUUFEL9SG216536
2025 GMC Sierra 1500
AT4X Crew Cab 4WD
20,703 mi
Brighton, CO
21 mi away
Good Deal
$63,283
- Year:
- 2021
- 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 (Dark Sky Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 13,668
- Stock #:
- DL9050D
- VIN:
- 1GTU9DELXMZ380838
2021 GMC Sierra 1500
SLT Crew Cab 4WD
13,668 mi
Denver, CO
35 mi away
Fair Deal
$44,000
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 93,775
- Stock #:
- P3150A
- VIN:
- 1GTU9DED3MZ117809
2021 GMC Sierra 1500
SLT Crew Cab 4WD
93,775 mi
Broomfield, CO
17 mi away
Fair Deal
$34,959
- 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:
- Dynamic Blue Metallic
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- Automatic
- Mileage:
- 45,305
- Stock #:
- G648903A
- VIN:
- 3GTUUFEL8PG313010
2023 GMC Sierra 1500
AT4X Crew Cab 4WD
45,305 mi
Brighton, CO
21 mi away
Fair Deal
$54,031
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Summit White
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 38,178
- Stock #:
- U16909
- VIN:
- 1GTUUAED8SZ145213
2025 GMC Sierra 1500
Pro Crew Cab 4WD
38,178 mi
Henderson, CO
23 mi away
Great Deal
$35,593
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Sterling Silver
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 12,371
- Stock #:
- DP14039
- VIN:
- 1GTUUEE83SZ332126
2025 GMC Sierra 1500
AT4 Crew Cab 4WD
12,371 mi
Denver, CO
37 mi away
Good Deal
$57,097
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 42,563
- Stock #:
- TRG352490
- VIN:
- 3GTUUDED1RG352490
2024 GMC Sierra 1500
SLT Crew Cab 4WD
42,563 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$46,981
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black, Forge Perforated Leather Seat Trim
- Transmission:
- Automatic
- Mileage:
- 79,966
- Stock #:
- APG277671
- VIN:
- 3GTUUGE80PG277671
2023 GMC Sierra 1500
Denali Crew Cab 4WD
79,966 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$45,559
- Year:
- 2025
- 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:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 22,386
- Stock #:
- G266341A
- VIN:
- 3GTUUDE80SG346799
2025 GMC Sierra 1500
SLT Crew Cab 4WD
22,386 mi
Fort Collins, CO
26 mi away
Good Deal
$50,088
- 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:
- Red
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 25,394
- Stock #:
- TPG355694
- VIN:
- 3GTUUCED0PG355694
2023 GMC Sierra 1500
Elevation Crew Cab 4WD
25,394 mi
Highlands Ranch, CO
42 mi away
Fair Deal
$45,981
- 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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 45,933
- Stock #:
- DP13887
- VIN:
- 1GTUUEEL8PZ148649
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
45,933 mi
Denver, CO
37 mi away
Fair Deal
$50,697
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- Automatic
- Mileage:
- 6,015
- Stock #:
- G266346A
- VIN:
- 3GTUUFE82TG181772
2026 GMC Sierra 1500
AT4X Crew Cab 4WD
6,015 mi
Fort Collins, CO
26 mi away
Good Deal
$70,088
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- White
- Fuel type:
- Diesel
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 6,140
- Stock #:
- ASZ143161
- VIN:
- 1GTUUCE87SZ143161
Sponsored Listing
2025 GMC Sierra 1500
Elevation Crew Cab 4WD
6,140 mi
Highlands Ranch, CO
42 mi away
Good Deal
$48,973
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