Used Gray GMC Sierra 2500HD for Sale in Delaware
76 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- GP3231
- VIN:
- 1GT4UREY1SF253420
2025 GMC Sierra 2500HD
Denali Crew Cab 4WD
Home delivery from Warren, OH
Free home delivery
New car
MSRP $89,379
$73,751
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 15
- Stock #:
- GP4433
- VIN:
- 1GT4UMEY5TF309315
2026 GMC Sierra 2500HD
SLE Crew Cab 4WD
Home delivery from Warren, OH
Free home delivery
New car
MSRP $78,885
$67,818
- 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:
- Gray (Iridium Metallic)
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 106,194
- Stock #:
- CCU4141A
- VIN:
- 1GT22SEG4GZ225712
New arrival
2016 GMC Sierra 2500HD
SLE Double Cab SB 4WD
106,194 mi
Colmar, PA
39 mi away
Fair Deal
$24,489
- 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:
- Gray
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Brown (Tan)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 129,890
- Stock #:
- 112563
- VIN:
- 1GT12TEG3GF112563
2016 GMC Sierra 2500HD
SLT Crew Cab SB 4WD
129,890 mi
Stevens, PA
45 mi away
Fair Deal
$29,995
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- GP4471
- VIN:
- 1GT4UNEY8TF231991
2026 GMC Sierra 2500HD
SLT Crew Cab 4WD
Home delivery from Warren, OH
Free home delivery
New car
MSRP $85,469
$74,902
- 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:
- Thunderstorm Gray
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 47,450
- Stock #:
- 442194U
- VIN:
- 1GT49PEYXRF442194
Price drop
-$1,400
2024 GMC Sierra 2500HD
AT4 Crew Cab 4WD
47,450 mi
Home delivery from Manahawkin, NJ
Price includes $138 shipping
Fair Deal
$66,532
$65,132
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- N12391
- VIN:
- 1GT4UPEY6TF386051
2026 GMC Sierra 2500HD
AT4 Crew Cab 4WD
Home delivery from Brooklyn, NY
Price includes $131 shipping
New car
MSRP $90,454
$80,846
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 51,122
- Stock #:
- 421557
- VIN:
- 1GT49ZEY9RF421557
2024 GMC Sierra 2500HD
AT4X Crew Cab 4WD
51,122 mi
Home delivery from Kyle, TX
Price includes $927 shipping
Fair Deal
$71,147
- 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:
- Gray
- Fuel type:
- Biodiesel
- Transmission:
- Automatic
- Mileage:
- 14,829
- Stock #:
- 446376
- VIN:
- 1GT49XEY3RF446376
2024 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
14,829 mi
Home delivery from Pelham, AL
Price includes $1,526 shipping
Fair Deal
$76,983
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 91,624
- Stock #:
- 12477
- VIN:
- 1GT49REYXRF212117
2024 GMC Sierra 2500HD
Denali Crew Cab 4WD
91,624 mi
Home delivery from Fayetteville, AR
Price includes $1,296 shipping
Fair Deal
$57,924
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 97,126
- Stock #:
- 88672
- VIN:
- 1GT49REY4RF188672
2024 GMC Sierra 2500HD
Denali Crew Cab 4WD
97,126 mi
Home delivery from Fulton, MO
Price includes $880 shipping
Great Deal
$52,780
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 29,643
- Stock #:
- 403846
- VIN:
- 1GT49NEY2RF403846
2024 GMC Sierra 2500HD
SLT Crew Cab 4WD
29,643 mi
Home delivery from Pelham, AL
Price includes $1,526 shipping
Fair Deal
$61,807
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Thunderstorm Gray
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 41,129
- Stock #:
- 22982
- VIN:
- 1GT19LE74RF385302
2024 GMC Sierra 2500HD
Pro Crew Cab 4WD
41,129 mi
Home delivery from Tampa, FL
Price includes $944 shipping
Fair Deal
$46,433
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 52,443
- Stock #:
- STK171240
- VIN:
- 1GT19PEY1RF171240
2024 GMC Sierra 2500HD
AT4 Crew Cab 4WD
52,443 mi
Home delivery from Lafayette, IN
Price includes $596 shipping
Good Deal
$62,591
- 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:
- Sterling Metallic Gray
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 8
- Stock #:
- G6317
- VIN:
- 1GT4UMEY1TF301969
2026 GMC Sierra 2500HD
SLE Crew Cab 4WD
Home delivery from Titusville, PA
Price includes $382 shipping
New car
MSRP $76,365
No Price Listed
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 183,033
- Stock #:
- D2528
- VIN:
- 1GT12UEY4JF228084
Price drop
-$986
2018 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
183,033 mi
Home delivery from Omaha, NE
Price includes $1,294 shipping
Good Deal
$31,278
$30,292
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 43,737
- Stock #:
- 3591
- VIN:
- 1GT4UXEY6SF197740
2025 GMC Sierra 2500HD
Denali Ultimate Crew Cab 4WD
43,737 mi
Home delivery from Salt Lake City, UT
Price includes $1,906 shipping
Good Deal
$72,453
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 53,439
- Stock #:
- 26547
- VIN:
- 1GT49PEY3RF436169
New arrival
2024 GMC Sierra 2500HD
AT4 Crew Cab 4WD
53,439 mi
Home delivery from Coudersport, PA
Free home delivery
Good Deal
$62,807
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- Automatic
- Mileage:
- 61,326
- Stock #:
- STK271571
- VIN:
- 1GT49ZEY8RF271571
2024 GMC Sierra 2500HD
AT4X Crew Cab 4WD
61,326 mi
Home delivery from Elwood, IN
Price includes $546 shipping
Good Deal
$65,541
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 92,891
- Stock #:
- FT09357
- VIN:
- 1GT49RE74LF146128
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
92,891 mi
Home delivery from Paterson, NJ
Price includes $198 shipping
Good Deal
$43,982
- Year:
- 2015
- 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:
- Gray (Iridium Metallic)
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Dark Ash With Jet Black Interior Accents
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 169,589
- Stock #:
- T260803
- VIN:
- 1GT22XEG1FZ523565
2015 GMC Sierra 2500HD
Base Double Cab SB 4WD
169,589 mi
Home delivery from Chambersburg, PA
Price includes $166 shipping
Great Deal
$11,556
- 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:
- Thunderstorm Gray
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 36,565
- Stock #:
- A18481N
- VIN:
- 1GT19PEY3RF452682
2024 GMC Sierra 2500HD
AT4 Crew Cab 4WD
36,565 mi
Home delivery from Saint Charles, MO
Price includes $805 shipping
Good Deal
$64,926
- 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:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 46,792
- Stock #:
- 11050W
- VIN:
- 1GT1UPEY7SF130955
New arrival
2025 GMC Sierra 2500HD
AT4 Crew Cab 4WD
46,792 mi
Home delivery from Grand Island, NY
Free home delivery
Fair Deal
$64,375
- 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:
- Gray (Iridium Metallic)
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 114,331
- Stock #:
- 28086
- VIN:
- 1GT12UE82GF146301
Price drop
-$2,399
2016 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
114,331 mi
Home delivery from Lilburn, GA
Price includes $934 shipping
Good Deal
$37,110
$34,710
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