New GMC Sierra 1500 SLT for Sale near Rio Grande City, TX
344 results
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- TG253930
- VIN:
- 3GTUUDE89TG253930
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Weslaco, TX
46 mi away
New car
MSRP $68,735
$68,960
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- G262537
- VIN:
- 3GTUUDEL6TG333612
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Brownsville, TX
78 mi away
New car
MSRP $71,645
$66,246
- 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
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- TG389457
- VIN:
- 3GTUUDEL3TG389457
New arrival
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Weslaco, TX
46 mi away
New car
MSRP $69,735
$69,960
- 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:
- 2,329
- Stock #:
- TG228646
- VIN:
- 3GTUUDED1TG228646
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from San Marcos, TX
Free home delivery
New car
MSRP $68,489
$53,145
- 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:
- 4,974
- Stock #:
- LB261256
- VIN:
- 3GTUUDED4TG282863
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Austin, TX
Price includes $430 shipping
New car
MSRP $67,329
$54,734
- 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:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- B261296
- VIN:
- 3GTUUDED7TG294019
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Austin, TX
Price includes $430 shipping
New car
MSRP $68,564
$55,970
- 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:
- Volcanic Red
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 2,428
- Stock #:
- TG234108
- VIN:
- 3GTUUDEL4TG234108
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from BeeCave, TX
Price includes $418 shipping
New car
MSRP $70,729
$57,872
- 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
- Fuel type:
- Gasoline
- Mileage:
- 23
- Stock #:
- TG161576
- VIN:
- 3GTUUDEDXTG161576
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Houston, TX
Price includes $452 shipping
New car
MSRP $67,340
$52,392
- 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:
- 10
- Stock #:
- B261317
- VIN:
- 3GTUUDED0TG294816
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Austin, TX
Price includes $430 shipping
New car
MSRP $69,059
$56,464
- 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:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- TZ350470
- VIN:
- 1GTUUDED8TZ350470
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from San Antonio, TX
Price includes $339 shipping
New car
MSRP $69,385
$56,474
- 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:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Stock #:
- TG416374
- VIN:
- 3GTUUDED3TG416374
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from San Antonio, TX
Price includes $339 shipping
New car
MSRP $68,290
$55,379
- 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:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- TZ347250
- VIN:
- 1GTUUDED1TZ347250
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from San Antonio, TX
Price includes $339 shipping
New car
MSRP $68,290
$55,379
- 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 $711 shipping
New car
MSRP $67,740
$53,442
- 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, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- 162754
- VIN:
- 3GTUUDED9TG333032
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Decatur, TX
Price includes $1,212 shipping
New car
MSRP $68,735
$59,172
- 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:
- 5
- Stock #:
- TG364028
- VIN:
- 3GTUUDE84TG364028
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $711 shipping
New car
MSRP $68,535
$57,626
- 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 $711 shipping
New car
MSRP $67,740
$54,942
- 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:
- 5
- Stock #:
- TZ407395
- VIN:
- 1GTUUDEDXTZ407395
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from San Antonio, TX
Price includes $339 shipping
New car
MSRP $69,385
$56,474
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- TG364024
- VIN:
- 3GTUUDE87TG364024
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $711 shipping
New car
MSRP $68,535
$57,626
- 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
- Stock #:
- TG416364
- VIN:
- 3GTUUDED0TG416364
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from San Antonio, TX
Price includes $339 shipping
New car
MSRP $68,290
$55,379
- 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 $711 shipping
New car
MSRP $67,740
$54,942
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Glacier White Tricoat
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- TG364026
- VIN:
- 3GTUUDE80TG364026
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Carrollton, TX
Price includes $711 shipping
New car
MSRP $69,135
$58,142
- 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:
- 10
- Stock #:
- B261497
- VIN:
- 3GTUUDED3TG317618
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Austin, TX
Price includes $430 shipping
New car
MSRP $69,059
$57,464
- 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:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Stock #:
- TG416367
- VIN:
- 3GTUUDED6TG416367
New arrival
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from San Antonio, TX
Price includes $339 shipping
New car
MSRP $69,885
$56,974
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Volcanic Red
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 667
- Stock #:
- LB261088
- VIN:
- 3GTUUDE87TG245406
2026 GMC Sierra 1500
SLT Crew Cab 4WD
New car
Home delivery from Austin, TX
Price includes $430 shipping
New car
MSRP $70,004
$59,410
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 16 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
