Used Black GMC Sierra 2500HD for Sale in Unity, IL
540 results
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- 10-Speed Automatic
- Mileage:
- 24,320
- Stock #:
- K87583
- VIN:
- 1GT4UXEY5SF148593
Sponsored by AutoCenters Nissan
2025 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
24,320 mi
Herculaneum, MO
98 mi away
Fair Deal
$79,395
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- 10-Speed Automatic
- Mileage:
- 14,692
- Stock #:
- K87755
- VIN:
- 1GT4UZEY1TF111313
Sponsored Listing
2026 GMC Sierra 2500HD
AT4X Crew Cab 4WD
14,692 mi
Herculaneum, MO
98 mi away
Good Deal
$83,770
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 49,841
- Stock #:
- T67058
- VIN:
- 1GT49PEY0PF167058
Sponsored Listing
2023 GMC Sierra 2500HD
AT4 Crew Cab 4WD
49,841 mi
Murray, KY
64 mi away
Fair Deal
$61,405
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 8,176
- Stock #:
- 26FT204A
- VIN:
- 1GT4ULE77SF231846
2025 GMC Sierra 2500HD
Pro Crew Cab 4WD
8,176 mi
Paducah, KY
35 mi away
Great Deal
$49,909
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 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:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 102,778
- Stock #:
- 141014
- VIN:
- 1GT49PEY1LF141014
New arrival
2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
102,778 mi
Home delivery from Addison, TX
Price includes $334 shipping
Fair Deal
$46,554
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 26,198
- Stock #:
- 68775S
- VIN:
- 1GT19PEY9RF310031
2024 GMC Sierra 2500HD
AT4 Crew Cab 4WD
26,198 mi
Bonne Terre, MO
85 mi away
Good Deal
$67,606
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- [GBA] Onyx Black
- Interior color:
- Jet Black w/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 31,988
- VIN:
- 1GT49PEY9PF171156
![[GBA] Onyx Black 2023 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/06/16/14/05/2023_gmc_sierra_2500hd-pic-3656699946380058235-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
New arrival
2023 GMC Sierra 2500HD
AT4 Crew Cab 4WD
31,988 mi
Home delivery from Mooresville, NC
Price includes $576 shipping
Great Deal
$60,526
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 108,367
- Stock #:
- 134933
- VIN:
- 1GT49RE79NF134933
2022 GMC Sierra 2500HD
Denali Crew Cab 4WD
108,367 mi
Home delivery from Kyle, TX
Price includes $451 shipping
Fair Deal
$48,671
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Black (Ebony Twilight Metallic)
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 132,006
- Stock #:
- 0886M
- VIN:
- 1GT49PEY6MF254149
Price drop
-$2,710
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
132,006 mi
Home delivery from Waynesville, MO
Price includes $507 shipping
Fair Deal
$48,705
$45,995
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 10-Speed Automatic
- Mileage:
- 45,914
- Stock #:
- RK88223
- VIN:
- 1GT29MEY8NF103899
2022 GMC Sierra 2500HD
SLE Double Cab 4WD
45,914 mi
Herculaneum, MO
98 mi away
Fair Deal
$46,954
- Year:
- 2016
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 130,877
- Stock #:
- 10441P
- VIN:
- 1GT12UE88GF123847
Price drop
-$1,091
2016 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
130,877 mi
Home delivery from Dalton, GA
Price includes $732 shipping
Good Deal
$37,523
$36,432
- Year:
- 2016
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8 Flex Fuel Vehicle
- Exterior color:
- Black
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 127,601
- Stock #:
- 261502
- VIN:
- 1GT12TEG4GF261502
2016 GMC Sierra 2500HD
SLT Crew Cab SB 4WD
127,601 mi
Home delivery from Mundelein, IL
Price includes $543 shipping
Good Deal
$27,893
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- 10-Speed Automatic
- Mileage:
- 17,778
- Stock #:
- RK87357
- VIN:
- 1GT49XEY3RF392187
2024 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
17,778 mi
Herculaneum, MO
98 mi away
Good Deal
$75,618
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 34,031
- Stock #:
- 182217
- VIN:
- 1GT49XEYXRF182217
New arrival
2024 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
34,031 mi
Home delivery from Newton, IA
Price includes $562 shipping
Fair Deal
$75,392
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black W/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 1,452
- Stock #:
- 6T106A
- VIN:
- 1GT4UPE72TF279683
2026 GMC Sierra 2500HD
AT4 Crew Cab 4WD
1,452 mi
Home delivery from Morrison, TN
Price includes $702 shipping
Fair Deal
$75,846
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8 Flex Fuel Vehicle
- Exterior color:
- Onyx Black
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 80,077
- Stock #:
- 105052
- VIN:
- 1GT22TEG3JZ112346
2018 GMC Sierra 2500HD
SLT Double Cab SB 4WD
80,077 mi
Home delivery from Knoxville, TN
Price includes $610 shipping
Fair Deal
$36,378
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Onyx Black
- Interior color:
- Jet Black w/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 20,810
- Stock #:
- S19841P
- VIN:
- 1GT4UPEY2SF364045
2025 GMC Sierra 2500HD
AT4 Crew Cab 4WD
20,810 mi
Home delivery from Newton, NC
Price includes $690 shipping
Fair Deal
$73,689
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 87,691
- Stock #:
- L263166A
- VIN:
- 1GT19XEY3RF275700
2024 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
87,691 mi
Home delivery from Collinsville, IL
Price includes $171 shipping
Great Deal
$64,666
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 144,901
- Stock #:
- G26332A
- VIN:
- 1GT12UEY2HF198383
2017 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
144,901 mi
Paducah, KY
35 mi away
Fair Deal
$43,594
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 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:
- 71,702
- Stock #:
- MX4425
- VIN:
- 1GT49REY8LF116266
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
71,702 mi
Home delivery from Michigan Center, MI
Price includes $794 shipping
Good Deal
$51,026
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,997
- Stock #:
- F245994
- VIN:
- 1GT49RE73NF245994
2022 GMC Sierra 2500HD
Denali Crew Cab 4WD
45,997 mi
Home delivery from Houston, TX
Price includes $939 shipping
Great Deal
$53,661
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- 10-Speed Automatic
- Mileage:
- 54,457
- Stock #:
- RK87366
- VIN:
- 1GT19XEYXRF125275
2024 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
54,457 mi
Herculaneum, MO
98 mi away
Good Deal
$69,925
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 76,161
- Stock #:
- 12381A
- VIN:
- 1GT49REY7NF161864
2022 GMC Sierra 2500HD
Denali Crew Cab 4WD
76,161 mi
Home delivery from Marshfield, MO
Price includes $198 shipping
Good Deal
$53,808
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 144,901
- Stock #:
- G26332A
- VIN:
- 1GT12UEY2HF198383
Sponsored Listing
2017 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
144,901 mi
Paducah, KY
35 mi away
Fair Deal
$43,594
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