New & Used 2026 GMC Sierra 1500 for Sale near Castle Rock, CO

533 results

Castle Rock, CO

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2026 GMC Sierra 1500

AT4X Crew Cab 4WD

2,468 miles

$75,649

Fair Deal

Lone Tree, CO

14 mi away

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:: 2,468
Stock number:: TG104720
VIN:: 3GTUUFE85TG104720

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2025 GMC Sierra 1500

Elevation Crew Cab 4WD

20,512 miles

$53,997

Fair Deal

Highlands Ranch, CO

14 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:: 20,512
Stock number:: KM188107
VIN:: 1GTUUCE86SZ188107

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

22,709 miles

$57,397

Great Deal

Castle Rock, CO

2 mi away

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:: Onyx Black
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 22,709
Stock number:: SG125681T
VIN:: 3GTUUEEL9SG125681

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2025 GMC Sierra 1500

Elevation Double Cab 4WD

2,632 miles

$49,997

Good Deal

Highlands Ranch, CO

14 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

2025 GMC Sierra 1500

SLT Crew Cab 4WD

26,765 miles

$45,488

Good Deal

Lakewood, CO

28 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:: Sterling Metallic
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 26,765
Stock number:: WPSG123264
VIN:: 3GTUUDED1SG123264

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

20,512 miles

$53,997

Fair Deal

Highlands Ranch, CO

14 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:: 20,512
Stock number:: KM188107
VIN:: 1GTUUCE86SZ188107

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2025 GMC Sierra 1500

Denali Crew Cab 4WD

5,165 miles

$62,997

Good Deal

Highlands Ranch, CO

14 mi away

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:: Onyx Black
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 5,165
Stock number:: JV238700
VIN:: 1GTUUGELXSZ238700

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

17,769 miles

$58,995

Good Deal

Highlands Ranch, CO

14 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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 17,769
Stock number:: JV129462
VIN:: 1GTUUEE81SZ129462

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

22,709 miles

$57,397

Great Deal

Castle Rock, CO

2 mi away

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:: Onyx Black
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 22,709
Stock number:: SG125681T
VIN:: 3GTUUEEL9SG125681

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2025 GMC Sierra 1500

Elevation Standard Crew Cab 4WD

3,628 miles

$46,990

Fair Deal

Certified Pre-Owned

Lone Tree, CO

14 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior color:: Blue
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 3,628
Stock number:: P9913
VIN:: 1GTPUJEK9SZ285119

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2025 GMC Sierra 1500

Elevation Crew Cab 4WD

32,166 miles

$49,998

Fair Deal

Henderson, 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:: Summit White
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 32,166
Stock number:: U16656
VIN:: 3GTUUCE80SG105433

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

10,431 miles

$63,797

Fair Deal

Store transfer to Parker, CO

1,212 mi away Price includes $1,799 shipping Price includes $1,799 shipping

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Black
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 10,431
Stock number:: 28016340
VIN:: 3GTUUEE80SG267252

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2025 GMC Sierra 1500

Elevation Crew Cab 4WD

19,255 miles

$46,447

Fair Deal

Store transfer to Parker, CO

547 mi away Price includes $449 shipping Price includes $449 shipping

Year:: 2025
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:: Black
Transmission:: Automatic
Mileage:: 19,255
Stock number:: 28135398
VIN:: 3GTPUCEK3SG161360

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2025 GMC Sierra 1500

SLT Crew Cab 4WD

35,887 miles

$45,000

Good Deal

Englewood, 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:: Summit White
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 35,887
Stock number:: E14456
VIN:: 1GTUUDEDXSZ131458

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2026 GMC Sierra 1500

AT4X Crew Cab 4WD

2,468 miles

$75,649

Fair Deal

Lone Tree, CO

14 mi away

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:: 2,468
Stock number:: TG104720
VIN:: 3GTUUFE85TG104720

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2025 GMC Sierra 1500

Elevation Double Cab 4WD

2,341 miles

$51,797

Fair Deal

Store transfer to Parker, CO

1,357 mi away Price includes $1,799 shipping Price includes $1,799 shipping

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:: Black
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 2,341
Stock number:: 27835394
VIN:: 1GTRUCED1SZ162128

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2025 GMC Sierra 1500

SLT Crew Cab 4WD

23,561 miles

$53,597

Fair Deal

Store transfer to Parker, CO

998 mi away Price includes $1,599 shipping Price includes $1,599 shipping

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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 23,561
Stock number:: 27542295
VIN:: 3GTUUDE80SG146652

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

13,190 miles

$61,990

Fair Deal

Boulder, CO

48 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
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 13,190
Stock number:: P1158A
VIN:: 1GTUUEE87SZ292262

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2025 GMC Sierra 1500

SLT Crew Cab RWD

20,485 miles

$45,447

Fair Deal

Store transfer to Parker, CO

565 mi away Price includes $449 shipping Price includes $449 shipping

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: 4X2
Engine:: 355 hp 5.3L V8
Exterior color:: Black
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 20,485
Stock number:: 27703293
VIN:: 3GTPHDED4SG125477

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2025 GMC Sierra 1500

Denali Crew Cab 4WD

3,367 miles

$64,797

Fair Deal

Store transfer to Parker, CO

767 mi away Price includes $799 shipping Price includes $799 shipping

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:: Blue
Fuel type:: Gasoline
Interior color:: Brown
Transmission:: Automatic
Mileage:: 3,367
Stock number:: 28135498
VIN:: 1GTUUGED9SZ339526

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2025 GMC Sierra 1500

New car | MSRP $46,424

$35,924

Colorado Springs, CO

38 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 2 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior color:: Onyx Black
Fuel type:: Gasoline
Interior color:: Jet Black, Cloth Seat Trim
Transmission:: Automatic
Mileage:: 6
Stock number:: SG135791
VIN:: 3GTNUAEK5SG135791

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2025 GMC Sierra 1500

New car | MSRP $57,990

$48,597

Store transfer to Parker, CO

1,036 mi away Price includes $1,599 shipping Price includes $1,599 shipping

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior color:: Gray
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 8-Speed Automatic
Stock number:: 27853278
VIN:: 3GTPUJEK5SG345610

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2025 GMC Sierra 1500

New car | MSRP $58,035

$45,430

Henderson, CO

35 mi away

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior color:: Cardinal Red
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 2
Stock number:: G250617
VIN:: 3GTPUJEKXSG346025

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2025 GMC Sierra 1500

Elevation Crew Cab 4WD

32,166 miles

$49,998

Fair Deal

Henderson, 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:: Summit White
Fuel type:: Diesel
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 32,166
Stock number:: U16656
VIN:: 3GTUUCE80SG105433

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FAQs

2026 GMC Sierra 1500 FAQs

How much does the 2026 GMC Sierra 1500 cost in Castle Rock, CO?

The average 2026 GMC Sierra 1500 costs about $64,416.83. The average price has decreased by -0.6% since last year. The 143 for sale near Castle Rock, CO on CarGurus, range from $38,788 to $88,179 in price.

How many 2026 GMC Sierra 1500 vehicles in Castle Rock, CO have no reported accidents or damage?

143 out of 143 for sale near Castle Rock, CO have no reported accidents or damage.

What is the fuel economy of the 2026 GMC Sierra 1500?

Depending on the engine and options, the 2026 GMC Sierra 1500 gets between 12 and 23 MPG (or MPGe).

What fuel types are available?

Diesel, Gasoline engines are available.

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