Chevy Duramax Diesel Trucks for Sale inPort Isabel, TX
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2025
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Gray Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Blue
- Transmission:
- Automatic
- Mileage:
- 14,154
- Stock #:
- 69723
- VIN:
- 2GC4KREY2S1131808

Sponsored Listing
2025 Chevrolet Silverado 2500HD
High Country Crew Cab 4WD
14,154 mi
$71,202
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Radiant Red Tintcoat
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black/Umber
- Transmission:
- Automatic
- Mileage:
- 40,585
- Stock #:
- 57676A
- VIN:
- 1GCUDJE83RZ188127

Sponsored Listing
2024 Chevrolet Silverado 1500
High Country Crew Cab 4WD
40,585 mi
$53,220
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 28,574
- Stock #:
- 361150A
- VIN:
- 3GCUDFE88RG442251

Sponsored Listing
2024 Chevrolet Silverado 1500
LT Trail Boss Crew Cab 4WD
28,574 mi
$50,238
- Year:
- 2020
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Arrival Blue Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 127,607
- Stock #:
- 438574
- VIN:
- 3GCUYDET6LG438574

2020 Chevrolet Silverado 1500
LT Crew Cab 4WD
127,607 mi
$22,393
- Year:
- 2025
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Black
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 67,825
- Stock #:
- 81743A
- VIN:
- 1GCUKJE87SZ195173

2025 Chevrolet Silverado 1500
High Country Crew Cab 4WD
67,825 mi
$48,193
- Year:
- 2020
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Shadow Gray Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 49,929
- Stock #:
- 22637
- VIN:
- 1GCUYEET3LZ190726

2020 Chevrolet Silverado 1500
RST Crew Cab 4WD
49,929 mi
$32,459
- Year:
- 2021
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 58,231
- Stock #:
- A17887D
- VIN:
- 1GCUYDET8MZ140836

2021 Chevrolet Silverado 1500
LT Crew Cab 4WD
58,231 mi
$34,282
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Silver
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 17,262
- Stock #:
- 128193
- VIN:
- 1GCUDEE83RZ128193

2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
17,262 mi
$46,952
- Year:
- 2022
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 48,118
- Stock #:
- 514469
- VIN:
- 3GCPACET8NG514469

2022 Chevrolet Silverado 1500
LT Crew Cab RWD
48,118 mi
$35,636
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 41,616
- Stock #:
- ZC26259
- VIN:
- 1GCUDEE84RZ150610

2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
41,616 mi
$41,990
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 28,574
- Stock #:
- 361150A
- VIN:
- 3GCUDFE88RG442251

2024 Chevrolet Silverado 1500
LT Trail Boss Crew Cab 4WD
28,574 mi
$50,238
- Year:
- 2023
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Radiant Red Tintcoat
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 45,784
- Stock #:
- A17899D
- VIN:
- 1GCUDEE88PZ148968

2023 Chevrolet Silverado 1500
RST Crew Cab 4WD
45,784 mi
$42,082
- Year:
- 2023
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 75,314
- Stock #:
- G115624
- VIN:
- 3GCUDFE81PG115624

2023 Chevrolet Silverado 1500
LT Trail Boss Crew Cab 4WD
75,314 mi
$36,634
- Year:
- 2021
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Interior color:
- Black
- Mileage:
- 117,923
- Stock #:
- 4211
- VIN:
- 3GCUYGET8MG413162

2021 Chevrolet Silverado 1500
LTZ Crew Cab 4WD
117,923 mi
$31,946
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 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
- Mileage:
- 50,797
- Stock #:
- RZ358513P
- VIN:
- 1GCUDDE82RZ358513

2024 Chevrolet Silverado 1500
LT Crew Cab 4WD
50,797 mi
$39,574
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 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:
- Jet Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 34,733
- Stock #:
- RK87999
- VIN:
- 1GCUDEE89RZ228816

-$1,050
2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
34,733 mi
$45,277
$44,227
- Year:
- 2023
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Red
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 80,455
- Stock #:
- 10299W
- VIN:
- 3GCUDJE83PG264751

2023 Chevrolet Silverado 1500
High Country Crew Cab 4WD
80,455 mi
$41,020
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 25,594
- Stock #:
- Y6302
- VIN:
- 1GCUDEE8XRZ153172

2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
25,594 mi
$47,880
- Year:
- 2022
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Silver Ice Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 65,863
- Stock #:
- ZC26317
- VIN:
- 1GCUYEETXNZ132115

2022 Chevrolet Silverado 1500
RST Crew Cab 4WD
65,863 mi
$36,285
- Year:
- 2021
- Make:
- Chevrolet
- Model:
- Silverado 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Cherry Red Tintcoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black/Umber
- Transmission:
- Automatic
- Mileage:
- 126,764
- Stock #:
- MF253216A
- VIN:
- 1GC4YVEY2MF253216

2021 Chevrolet Silverado 3500HD
High Country Crew Cab 4WD
126,764 mi
$50,748
- Year:
- 2025
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Radiant Red Tintcoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 18,016
- Stock #:
- DC26161
- VIN:
- 1GC4KPEY1SF219732

2025 Chevrolet Silverado 2500HD
LTZ Crew Cab 4WD
18,016 mi
$71,544
- Year:
- 2021
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Gray (Satin Steel)
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black/Umber
- Transmission:
- Automatic
- Mileage:
- 51,149
- Stock #:
- MG145420
- VIN:
- 3GCUYHET3MG145420

2021 Chevrolet Silverado 1500
High Country Crew Cab 4WD
51,149 mi
$42,490
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Dark Ash Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 59,643
- Stock #:
- 146152G
- VIN:
- 1GC4YPEY0RF146152

2024 Chevrolet Silverado 2500HD
LTZ Crew Cab 4WD
59,643 mi
$58,160
- Year:
- 2023
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White (Iridescent Pearl Tricoat)
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black/Umber
- Transmission:
- Automatic
- Mileage:
- 88,996
- Stock #:
- PG262140C
- VIN:
- 1GC4YREY9PF138172

Sponsored Listing
2023 Chevrolet Silverado 2500HD
High Country Crew Cab 4WD
88,996 mi