Used GMC Sierra 1500 SLT for Sale nearPort Isabel, TX
354 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Mileage:
- 134,515
- Stock #:
- 444957
- VIN:
- 3GTU9DED0LG444957
Sponsored by Booz Auto Sales
2020 GMC Sierra 1500
SLT Crew Cab 4WD
134,515 mi
McAllen, TX
62 mi away
Fair Deal
$29,175
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 117,857
- Stock #:
- J5280D
- VIN:
- 3GTU9DET4MG126526
Sponsored Listing
2021 GMC Sierra 1500
SLT Crew Cab 4WD
117,857 mi
San Juan, TX
54 mi away
Good Deal
$29,997
- 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:
- Titanium Rush Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 47,519
- Stock #:
- CP82658
- VIN:
- 1GTUUDED9SZ182658
Sponsored Listing
2025 GMC Sierra 1500
SLT Crew Cab 4WD
47,519 mi
Harlingen, TX
28 mi away
Good Deal
$43,070
- 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:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 81,973
- Stock #:
- 286248
- VIN:
- 3GTU9DED2LG286248
2020 GMC Sierra 1500
SLT Crew Cab 4WD
81,973 mi
Home delivery from Fort Worth, TX
Price includes $454 shipping
Fair Deal
$36,674
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 34,126
- Stock #:
- 157458
- VIN:
- 3GTP1NEC6JG157458
New arrival
2018 GMC Sierra 1500
SLT Crew Cab
34,126 mi
McAllen, TX
60 mi away
Fair Deal
$35,220
- Year:
- 2018
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 85,270
- Stock #:
- 121827
- VIN:
- 3GTU2NEC7JG121827
2018 GMC Sierra 1500
SLT Crew Cab 4WD
85,270 mi
Home delivery from San Antonio, TX
Price includes $304 shipping
Fair Deal
$30,566
- Year:
- 2016
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 98,565
- Stock #:
- 107909
- VIN:
- 3GTP1NEC4GG107909
2016 GMC Sierra 1500
SLT Crew Cab
98,565 mi
Olmito, TX
15 mi away
Good Deal
$24,270
- 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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Mileage:
- 134,515
- Stock #:
- 444957
- VIN:
- 3GTU9DED0LG444957
2020 GMC Sierra 1500
SLT Crew Cab 4WD
134,515 mi
McAllen, TX
62 mi away
Fair Deal
$29,175
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 117,857
- Stock #:
- J5280D
- VIN:
- 3GTU9DET4MG126526
2021 GMC Sierra 1500
SLT Crew Cab 4WD
117,857 mi
San Juan, TX
54 mi away
Good Deal
$29,997
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 30,057
- Stock #:
- 28631432
- VIN:
- 3GTUUDET3NG631103
Price drop
-$1,000
2022 GMC Sierra 1500
SLT Crew Cab 4WD
30,057 mi
Store transfer to Pharr, TX
Price includes $349 shipping
Good Deal
$46,347
$45,347
- Year:
- 2019
- 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:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 73,353
- Stock #:
- T22373
- VIN:
- 1GTU9DEDXKZ325151
Price drop
-$700
2019 GMC Sierra 1500
SLT Crew Cab 4WD
73,353 mi
Home delivery from Logan, UT
Price includes $1,362 shipping
Fair Deal
$35,556
$34,856
- 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:
- Titanium Rush Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 17,901
- Stock #:
- CP70657
- VIN:
- 1GTUUDED0TZ170657
2026 GMC Sierra 1500
SLT Crew Cab 4WD
17,901 mi
Harlingen, TX
28 mi away
Good Deal
$48,070
- 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:
- Summit White
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 24,325
- Stock #:
- 7798
- VIN:
- 1GTUUDED9PZ143429
2023 GMC Sierra 1500
SLT Crew Cab 4WD
24,325 mi
Home delivery from Kingsville, TX
Price includes $153 shipping
Good Deal
$45,377
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 72,874
- Stock #:
- PG262602
- VIN:
- 3GTU9DED2LG111790
2020 GMC Sierra 1500
SLT Crew Cab 4WD
72,874 mi
Brownsville, TX
14 mi away
Fair Deal
$35,957
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 88,599
- Stock #:
- 351000
- VIN:
- 3GTP1NEC9JG351000
2018 GMC Sierra 1500
SLT Crew Cab
88,599 mi
Home delivery from Plano, TX
Price includes $966 shipping
Good Deal
$25,954
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 117,218
- Stock #:
- 481507
- VIN:
- 3GTP1NEC2JG481507
2018 GMC Sierra 1500
SLT Crew Cab
117,218 mi
Home delivery from Plano, TX
Price includes $966 shipping
Good Deal
$23,179
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Pepperdust Metallic
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Dune
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 106,505
- Stock #:
- 272576
- VIN:
- 3GTP1NEC3HG272576
2017 GMC Sierra 1500
SLT Crew Cab
106,505 mi
Olmito, TX
15 mi away
Fair Deal
$26,470
- 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:
- Volcanic Red
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 19,191
- Stock #:
- XBP8414B
- VIN:
- 3GTUUDED8RG304677
2024 GMC Sierra 1500
SLT Crew Cab 4WD
19,191 mi
Pharr, TX
57 mi away
Good Deal
$48,651
- Year:
- 2019
- 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 Quartz Tintcoat
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 86,669
- Stock #:
- 122320
- VIN:
- 1GTU9DED0KZ122320
2019 GMC Sierra 1500
SLT Crew Cab 4WD
86,669 mi
Home delivery from Plano, TX
Price includes $966 shipping
Great Deal
$31,254
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Gray (Iridium Metallic)
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Jet Black/Dark Ash
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 144,488
- Stock #:
- X00187
- VIN:
- 3GTU2VECXEG222219
New arrival
2014 GMC Sierra 1500
SLT Crew Cab 4WD
144,488 mi
Home delivery from Ashtabula, OH
Price includes $1,440 shipping
Great Deal
$14,828
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 90,782
- Stock #:
- MG256104
- VIN:
- 3GTU9DED2MG256104
2021 GMC Sierra 1500
SLT Crew Cab 4WD
90,782 mi
Home delivery from Corinth, TX
Price includes $736 shipping
Good Deal
$32,956
- 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:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Mileage:
- 104,609
- Stock #:
- LZ324994
- VIN:
- 1GTU9DED9LZ324994
Price drop
-$1,000
2020 GMC Sierra 1500
SLT Crew Cab 4WD
104,609 mi
Home delivery from Bradenton, FL
Price includes $914 shipping
Great Deal
$31,900
$30,900
- Year:
- 2019
- 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:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 126,129
- Stock #:
- 22020
- VIN:
- 1GTU9DED3KZ213081
2019 GMC Sierra 1500
SLT Crew Cab 4WD
126,129 mi
Home delivery from Downers Grove, IL
Price includes $1,210 shipping
Fair Deal
$30,122
- 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:
- Titanium Rush Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 17,901
- Stock #:
- CP70657
- VIN:
- 1GTUUDED0TZ170657
Sponsored Listing
2026 GMC Sierra 1500
SLT Crew Cab 4WD
17,901 mi
Harlingen, TX
28 mi away
Good Deal
$48,070
FAQs
How much does the GMC Sierra 1500 SLT cost in Port Isabel, TX?
The average GMC Sierra 1500 SLT costs about $11,252.81. The average price has increased by 2.6% since last year. The 332 for sale near Port Isabel, TX on CarGurus, range from $12,981 to $74,178 in price.
How many GMC Sierra 1500 SLT vehicles in Port Isabel, TX have no reported accidents or damage?
248 out of 332 for sale near Port Isabel, TX have no reported accidents or damage.
What is the fuel economy of the GMC Sierra 1500 SLT?
Depending on the engine and options, the GMC Sierra 1500 SLT gets between 14 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
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2027 GMC Sierra 1500 Pricing, Specs, and Release Date
GMC has redesigned the Sierra 1500 full-size pickup truck for 2027, with new styling, powertrains, and safety and convenience features.
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The Best Trucks Under $25,000 in 2026
New trucks cost more than ever, but the prices of used ones finally seem to be cooling. You still can't find the latest and fanciest full-sizes for budget prices, but fortunately, there are plenty of good trucks under $25,000 these days. Here, we've assembled a list of the best.
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