Chevy Duramax Diesel Trucks for Sale inUnity, IL
217 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2026
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Cypress Gray
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black/Graystone
- Transmission:
- 10-Speed Automatic
- Mileage:
- 402
- Stock #:
- R87866
- VIN:
- 3GCUKHE89TG106553
Sponsored by AutoCenters Nissan
2026 Chevrolet Silverado 1500
ZR2 Crew Cab 4WD
402 mi
Herculaneum, MO
98 mi away
Fair Deal
$67,039
- 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:
- 26,582
- Stock #:
- DT246M
- VIN:
- 1GCUDEE88PZ294030
Sponsored Listing
2023 Chevrolet Silverado 1500
RST Crew Cab 4WD
26,582 mi
Camden, TN
99 mi away
Good Deal
$43,788
- Year:
- 2021
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 90,516
- Stock #:
- T86086
- VIN:
- 1GC4YPEY3MF186086
New arrival
Sponsored Listing
2021 Chevrolet Silverado 2500HD
LTZ Crew Cab 4WD
90,516 mi
Mayfield, KY
43 mi away
Good Deal
$48,806
- 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:
- 26,582
- Stock #:
- DT246M
- VIN:
- 1GCUDEE88PZ294030
2023 Chevrolet Silverado 1500
RST Crew Cab 4WD
26,582 mi
Camden, TN
99 mi away
Good Deal
$43,788
- 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:
- Red Hot
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 13,571
- Stock #:
- 461514
- VIN:
- 1GC4YMEY7RF461514
2024 Chevrolet Silverado 2500HD
Custom Crew Cab 4WD
13,571 mi
Cadiz, KY
87 mi away
Fair Deal
$55,999
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 83,005
- Stock #:
- 165557
- VIN:
- 1GCUDJE85PZ165557
2023 Chevrolet Silverado 1500
High Country Crew Cab 4WD
83,005 mi
Cadiz, KY
87 mi away
Fair Deal
$42,623
- Year:
- 2025
- 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:
- 23 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 17,020
- Stock #:
- H15474
- VIN:
- 1GCUKEE83SZ189376
Price drop
-$988
2025 Chevrolet Silverado 1500
RST Crew Cab 4WD
17,020 mi
Humboldt, TN
94 mi away
Great Deal
$45,973
$44,985
- Year:
- 2019
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Gray (Graphite Metallic)
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 212,716
- Stock #:
- 14804A
- VIN:
- 1GC1KTEY3KF205889
2019 Chevrolet Silverado 2500HD
LTZ Crew Cab 4WD
212,716 mi
Farmington, MO
78 mi away
Fair Deal
$30,386
- Year:
- 2023
- 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:
- 51,249
- Stock #:
- 168491
- VIN:
- 1GC4YVEY9PF168491
2023 Chevrolet Silverado 3500HD
High Country Crew Cab 4WD
51,249 mi
Cadiz, KY
87 mi away
Fair Deal
$63,579
- 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:
- Shadow Gray Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 31,875
- Stock #:
- 26545B
- VIN:
- 1GCUYDET1MZ348878
2021 Chevrolet Silverado 1500
LT Crew Cab 4WD
31,875 mi
Germantown, IL
98 mi away
Fair Deal
$36,814
- 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
Price drop
-$1,739
2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
34,733 mi
Herculaneum, MO
98 mi away
Good Deal
$42,357
$40,618
- Year:
- 2020
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Cajun Red Tintcoat
- Fuel type:
- Biodiesel
- Interior color:
- Gideon/Very Dark Atmosphere
- Transmission:
- Automatic
- Mileage:
- 103,559
- Stock #:
- T41452
- VIN:
- 1GC4YPEYXLF141452
Price drop
-$1,454
2020 Chevrolet Silverado 2500HD
LTZ Crew Cab 4WD
103,559 mi
Benton, KY
55 mi away
Good Deal
$45,316
$43,862
- 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
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black, Leather-Appointed Front Seat Trim
- Transmission:
- Automatic
- Mileage:
- 98,459
- Stock #:
- 2632192
- VIN:
- 1GCUYEET8MZ293920
2021 Chevrolet Silverado 1500
RST Crew Cab 4WD
98,459 mi
Herculaneum, MO
98 mi away
Great Deal
$28,899
- Year:
- 2023
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Sterling Gray Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 27,904
- Stock #:
- R88249
- VIN:
- 3GCUDGE8XPG155495
2023 Chevrolet Silverado 1500
LTZ Crew Cab 4WD
27,904 mi
Herculaneum, MO
98 mi away
Fair Deal
$43,878
- 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:
- 10-Speed Automatic
- Mileage:
- 33,543
- Stock #:
- RK88004
- VIN:
- 1GCUDEE88RZ134474
Price drop
-$937
2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
33,543 mi
Herculaneum, MO
98 mi away
Good Deal
$42,234
$41,297
- Year:
- 2018
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 131,199
- Stock #:
- U6115
- VIN:
- 1GC1KVEY2JF153181
2018 Chevrolet Silverado 2500HD
LT Crew Cab 4WD
131,199 mi
New Madrid, MO
42 mi away
Great Deal
$26,995
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Dark Ash Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 31,554
- Stock #:
- K88130
- VIN:
- 1GCUDEE85RZ209633
Price drop
-$1,049
2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
31,554 mi
Herculaneum, MO
98 mi away
Good Deal
$42,573
$41,524
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Sterling Gray Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 13,277
- Stock #:
- HK88505
- VIN:
- 1GCUDEE8XRZ211068
2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
13,277 mi
Herculaneum, MO
98 mi away
Fair Deal
$44,319
- Year:
- 2024
- Make:
- Chevrolet
- Model:
- Silverado 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Sterling Gray Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 18,289
- Stock #:
- RK88003
- VIN:
- 1GCUDEE80RZ134338
2024 Chevrolet Silverado 1500
RST Crew Cab 4WD
18,289 mi
Herculaneum, MO
98 mi away
Fair Deal
$44,028
- Year:
- 2025
- 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:
- 23 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black, Perforated Leather-Appointed Front Outb
- Transmission:
- Automatic
- Mileage:
- 10,095
- Stock #:
- 267396
- VIN:
- 1GCUKGE89SZ225521
2025 Chevrolet Silverado 1500
LTZ Crew Cab 4WD
10,095 mi
Herculaneum, MO
98 mi away
Good Deal
$51,985
- 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:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 60,614
- Stock #:
- H15602
- VIN:
- 1GC1YNEYXPF221783
2023 Chevrolet Silverado 2500HD
LT Crew Cab 4WD
60,614 mi
Humboldt, TN
94 mi away
Fair Deal
$45,960
- Year:
- 2021
- Make:
- Chevrolet
- Model:
- Silverado 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 124,930
- Stock #:
- PN2202
- VIN:
- 1GC4YNEY8MF310017
2021 Chevrolet Silverado 2500HD
LT Crew Cab 4WD
124,930 mi
Blytheville, AR
90 mi away
Good Deal
$35,128
- 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:
- 10-Speed Automatic
- Mileage:
- 32,464
- Stock #:
- RK87377
- VIN:
- 1GCUDJE84RZ183924
2024 Chevrolet Silverado 1500
High Country Crew Cab 4WD
32,464 mi
Herculaneum, MO
98 mi away
Good Deal
$48,399
- Year:
- 2021
- Make:
- Chevrolet
- Model:
- Colorado
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 181 hp 2.8L I4 Diesel
- Exterior color:
- Cherry Red Tintcoat
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black, Leather-Appointed Seat Trim
- Transmission:
- Automatic
- Mileage:
- 61,341
- Stock #:
- 267554
- VIN:
- 1GCPTEE18M1169039
Sponsored Listing
2021 Chevrolet Colorado
ZR2 Crew Cab 4WD
61,341 mi
Herculaneum, MO
98 mi away
Fair Deal
$36,964
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