New GMC Sierra 1500 SLT for Sale nearBoulder, CO
164 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Glacier White Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG353549
- VIN:
- 3GTUUDEL4TG353549
Sponsored by Alpine Buick GMC
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Highlands Ranch, CO
33 mi away
New car
MSRP $72,474
$65,764
- Year:
- 2026
- 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:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 2,141
- Stock #:
- TZ282511
- VIN:
- 1GTUUDEL7TZ282511
Price drop
-$2,000
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Highlands Ranch, CO
33 mi away
New car
MSRP $71,214
$64,617
$62,617
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Glacier White Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- G602032
- VIN:
- 3GTUUDEL5TG402032
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Brighton, CO
23 mi away
New car
MSRP $72,820
$67,814
- Year:
- 2026
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- TZ408357
- VIN:
- 1GTUUDEL8TZ408357
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Thornton, CO
16 mi away
New car
MSRP $70,645
$61,166
- Year:
- 2026
- 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:
- 1
- Stock #:
- 112763
- VIN:
- 1GTUUDED1TZ369541
Price drop
-$7,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Kansas City, KS
Price includes $842 shipping
New car
MSRP $61,490
$57,426
$50,176
- Year:
- 2026
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 112771
- VIN:
- 1GTUUDED0TZ370552
Price drop
-$7,250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Kansas City, KS
Price includes $842 shipping
New car
MSRP $61,490
$57,426
$50,176
- Year:
- 2026
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 112776
- VIN:
- 1GTUUDED3TZ372246
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Kansas City, KS
Price includes $842 shipping
New car
MSRP $61,490
$50,176
- Year:
- 2026
- 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:
- Automatic
- Mileage:
- 2
- Stock #:
- 112788
- VIN:
- 3GTUUDED6TG366764
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Kansas City, KS
Price includes $842 shipping
New car
MSRP $60,995
$49,680
- 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
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 112773
- VIN:
- 3GTUUDE80TG367489
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Kansas City, KS
Price includes $842 shipping
New car
MSRP $61,790
$52,976
- 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
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 112810
- VIN:
- 3GTUUDE84TG367477
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Kansas City, KS
Price includes $842 shipping
New car
MSRP $62,285
$53,470
- Year:
- 2026
- 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:
- 2
- Stock #:
- 112781
- VIN:
- 3GTUUDE8XTG367483
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Kansas City, KS
Price includes $842 shipping
New car
MSRP $62,285
$53,470
- Year:
- 2026
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TZ403679
- VIN:
- 1GTUUDED4TZ403679
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $1,005 shipping
New car
MSRP $67,740
$55,236
- Year:
- 2026
- 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:
- 2,965
- Stock #:
- L194395
- VIN:
- 3GTUUDEL7TG194395
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Longmont, CO
16 mi away
New car
MSRP $69,460
$60,861
- 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
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 46
- Stock #:
- TZ164212D
- VIN:
- 1GTUUDE85TZ164212
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Castle Rock, CO
50 mi away
New car
MSRP $67,690
$58,829
- Year:
- 2026
- 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:
- 5
- Stock #:
- TG382434
- VIN:
- 3GTUUDEDXTG382434
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $1,005 shipping
New car
MSRP $67,740
$53,736
- 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
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 11
- Stock #:
- TZ273222
- VIN:
- 1GTUUDE85TZ273222
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Corsicana, TX
Price includes $1,113 shipping
New car
MSRP $68,535
$60,862
- Year:
- 2026
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TG371611
- VIN:
- 3GTUUDEL7TG371611
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Thornton, CO
16 mi away
New car
MSRP $67,400
$58,331
- Year:
- 2026
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TZ403574
- VIN:
- 1GTUUDED1TZ403574
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $1,005 shipping
New car
MSRP $67,245
$54,811
- Year:
- 2026
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TG382368
- VIN:
- 3GTUUDED1TG382368
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $1,005 shipping
New car
MSRP $67,740
$55,236
- Year:
- 2026
- 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:
- 5
- Stock #:
- TG382437
- VIN:
- 3GTUUDED5TG382437
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $1,005 shipping
New car
MSRP $67,740
$55,236
- Year:
- 2026
- 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:
- 4
- Stock #:
- TZ402431
- VIN:
- 1GTUUDED7TZ402431
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $1,005 shipping
New car
MSRP $67,740
$55,236
- Year:
- 2026
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TZ416345
- VIN:
- 1GTUUDED7TZ416345
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $1,005 shipping
New car
MSRP $67,805
$55,292
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Glacier White Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TG414291
- VIN:
- 3GTUUDED0TG414291
Price drop
-$2,792
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Thornton, CO
16 mi away
New car
MSRP $68,775
$61,324
$58,532
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Glacier White Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 3,576
- Stock #:
- TG147111
- VIN:
- 3GTUUDED6TG147111
Price drop
-$2,000
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Highlands Ranch, CO
33 mi away
New car
MSRP $69,324
$58,873
$56,873
FAQs
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 (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
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