New & Used 2025 GMC Sierra 1500 for Sale near Boulder, CO

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Boulder, CO

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2024 GMC Sierra 1500

Elevation Standard Double Cab 4WD

15,922 miles

$41,588

Fair Deal

Fort Collins, CO

38 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior color:: Onyx Black
Combined gas mileage:: 18 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 15,922
Stock number:: G256292B
VIN:: 1GTRUJEKXRZ276917

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

12,252 miles

$58,588

Good Deal

Fort Collins, CO

38 mi away

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:: Sterling Metallic
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 12,252
Stock number:: G266102B
VIN:: 3GTUUEEL5RG365577

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2025 GMC Sierra 1500

Elevation Crew Cab 4WD

17,345 miles

$54,555

Fair Deal

Loveland, CO

30 mi away

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
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 17,345
Stock number:: KM176187
VIN:: 1GTUUCE83SZ176187

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2024 GMC Sierra 1500

Denali Crew Cab 4WD

31,054 miles

$51,973

Great Deal

Golden, CO

20 mi away

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:: Volcanic Red Tintcoat
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 31,054
Stock number:: 26015A
VIN:: 3GTUUGEL3RG237737

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

41,906 miles

$52,588

Good Deal

Fort Collins, CO

38 mi away

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:: Thunderstorm Gray
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 41,906
Stock number:: G266054A
VIN:: 1GTUUEEL9RZ140787

2025 GMC Sierra 1500

Denali Crew Cab 4WD

6,746 miles

$59,698

Good Deal

Longmont, CO

16 mi away

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:: Onyx Black
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 6,746
Stock number:: L203452
VIN:: 3GTUUGED6SG203452

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2024 GMC Sierra 1500

Elevation Crew Cab 4WD

47,707 miles

$40,516

Great Deal

Highlands Ranch, CO

33 mi away

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:: Titanium Rush Metallic
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black, Cloth Seat Trim
Transmission:: Automatic
Mileage:: 47,707
Stock number:: SG123714A
VIN:: 3GTUUCED0RG285374

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

16,790 miles

$55,989

Great Deal

Highlands Ranch, CO

35 mi away

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:: Sterling Metallic
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 16,790
Stock number:: KM372154
VIN:: 3GTUUEEL1RG372154

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2024 GMC Sierra 1500

Elevation Standard Double Cab 4WD

15,922 miles

$41,588

Fair Deal

Fort Collins, CO

38 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior color:: Onyx Black
Combined gas mileage:: 18 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 15,922
Stock number:: G256292B
VIN:: 1GTRUJEKXRZ276917

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2024 GMC Sierra 1500

SLT Crew Cab 4WD

18,555 miles

$47,990

Good Deal

Fort Collins, CO

37 mi away

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:: Black
Transmission:: Automatic
Mileage:: 18,555
Stock number:: 2575442A
VIN:: 3GTUUDED8RG157504

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2024 GMC Sierra 1500

Denali Crew Cab 4WD

13,800 miles

$55,791

Great Deal

Highlands Ranch, CO

33 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: White Frost Tricoat
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Jet Black, Forge Perforated Leather Seat Trim
Transmission:: Automatic
Mileage:: 13,800
Stock number:: TRG243160
VIN:: 3GTUUGE8XRG243160

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2024 GMC Sierra 1500

Elevation Double Cab 4WD

15,379 miles

$43,991

Good Deal

Highlands Ranch, CO

35 mi away

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:: Summit White
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 15,379
Stock number:: KM195110
VIN:: 1GTRUCED1RZ195110

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

20,176 miles

$53,990

Great Deal

Northglenn, CO

17 mi away

Year:: 2024
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:: 25 MPG
Fuel type:: Diesel
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 20,176
Stock number:: CP6657
VIN:: 3GTUUEE85RG397019

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2025 GMC Sierra 1500

Elevation Double Cab 4WD

2,632 miles

$49,997

Good Deal

Highlands Ranch, CO

35 mi away

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:: Onyx Black
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 2,632
Stock number:: KM119862
VIN:: 1GTRUCED1SZ119862

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2024 GMC Sierra 1500

SLT Crew Cab 4WD

41,445 miles

$46,799

Good Deal

Highlands Ranch, CO

34 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Sterling Metallic
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 41,445
Stock number:: HPRG183355
VIN:: 3GTUUDE80RG183355

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2024 GMC Sierra 1500

Elevation Crew Cab 4WD

41,626 miles

$42,995

Great Deal

Highlands Ranch, CO

35 mi away

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:: Blue
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 41,626
Stock number:: KM215427
VIN:: 1GTUUCED8RZ215427

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2024 GMC Sierra 1500

SLE Crew Cab 4WD

20,270 miles

$41,581

Great Deal

Littleton, CO

28 mi away

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:: White
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 20,270
Stock number:: 12P873
VIN:: 3GTUUBED6RG193972

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2025 GMC Sierra 1500

AT4X Crew Cab 4WD

6,609 miles

$69,991

Fair Deal

Highlands Ranch, CO

35 mi away

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 Metallic
Combined gas mileage:: 19 MPG
Fuel type:: Diesel
Interior color:: Black (Obsidian Rush)
Transmission:: 10-Speed Automatic
Mileage:: 6,609
Stock number:: 385957T
VIN:: 3GTUUFE86SG385957

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2024 GMC Sierra 1500

Denali Crew Cab 4WD

11,433 miles

$57,997

Good Deal

Store transfer to Denver, CO

1,631 mi away Price includes $1,999 shipping Price includes $1,999 shipping

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:: White
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 11,433
Stock number:: 28012616
VIN:: 3GTUUGED8RG191086

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2024 GMC Sierra 1500

SLT Crew Cab 4WD

28,327 miles

$49,449

Good Deal

Loveland, CO

33 mi away

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:: Dark Walnut/Slate
Transmission:: Automatic
Mileage:: 28,327
Stock number:: TU405377A
VIN:: 1GTUUDE84RZ140105

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

18,566 miles

$55,629

Good Deal

Englewood, CO

31 mi away

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:: Thunderstorm Gray
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 18,566
Stock number:: GT197338A
VIN:: 3GTUUEEL2RG189295

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

28,450 miles

$57,990

Fair Deal

Northglenn, CO

17 mi away

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
Transmission:: Automatic
Mileage:: 28,450
Stock number:: CP6815
VIN:: 1GTUUEE82SZ259153

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2025 GMC Sierra 1500

Denali Crew Cab 4WD

15,136 miles

$59,922

Good Deal

Highlands Ranch, CO

35 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Titanium Rush Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Atmosphere/Brownstone
Transmission:: Automatic
Mileage:: 15,136
Stock number:: JV194028
VIN:: 1GTUUGE88SZ194028

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

16,790 miles

$55,989

Great Deal

Highlands Ranch, CO

35 mi away

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:: Sterling Metallic
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 16,790
Stock number:: KM372154
VIN:: 3GTUUEEL1RG372154

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Reviews

FAQs

5 Overall rating

(1 reviews)

Anonymous

5.0

Reviewed a 2025 GMC AT4 Crew Cab 4WD on Nov 01, 2024

We were happy with our last AT4 so we decided to buy another one. This time we elected to purchase the AT4 Diesel version.

2025 GMC Sierra 1500 FAQs

How much does the 2025 GMC Sierra 1500 cost in Boulder, CO?

The average 2025 GMC Sierra 1500 costs about $55,097.91. The average price has decreased by -9% since last year. The 392 for sale near Boulder, CO on CarGurus, range from $25,872 to $84,537 in price.

How many 2025 GMC Sierra 1500 vehicles in Boulder, CO have no reported accidents or damage?

392 out of 392 for sale near Boulder, CO have no reported accidents or damage.

What is the fuel economy of the 2025 GMC Sierra 1500?

Depending on the engine and options, the 2025 GMC Sierra 1500 gets between 12 and 25 MPG (or MPGe).

What fuel types are available?

Diesel, Gasoline engines are available.

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