CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

Used GMC Sierra 2500HD Denali for Sale near Unity, ME

249 results
Unity, ME
2024 GMC Sierra 2500HD Denali Crew Cab 4WD APlus Auto Group

2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

36,720 miles

$68,499

Good Deal
Windham, ME
76 mi away
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
Transmission:
Automatic
Mileage:
36,720
Stock number:
RF217214
VIN:
1GT49REY0RF217214

Sponsored

2018 GMC Sierra 2500HD Denali Crew Cab SB 4WD

2018 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

78,820 miles

$49,999

Fair Deal
Windham, ME
76 mi away
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:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
78,820
Stock number:
JF100773
VIN:
1GT12UEY1JF100773

Sponsored

2018 GMC Sierra 2500HD Denali Crew Cab SB 4WD

2018 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

77,054 miles

$41,769

Fair Deal
South Portland, ME
81 mi away
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:
Quicksilver Metallic
Fuel type:
Flex Fuel Vehicle
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
77,054
Stock number:
D740A
VIN:
1GT12UEG1JF168580

Sponsored

2021 GMC Sierra 2500HD Denali Crew Cab 4WD

2021 GMC Sierra 2500HD

Denali Crew Cab 4WD

107,327 miles

$49,361

Good Deal
Westbrook, ME
81 mi away
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
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
107,327
Stock number:
6GM0055T
VIN:
1GT49REY5MF230534

2023 GMC Sierra 2500HD Denali Crew Cab 4WD

2023 GMC Sierra 2500HD

Denali Crew Cab 4WD

82,050 miles

$47,569

Great Deal
Certified Pre-Owned
South Portland, ME
81 mi away
Year:
2023
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:
82,050
Stock number:
6412-1A
VIN:
1GT49RE73PF141136

Preparing for a close up...

Photos coming soon

2016 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

93,588 miles

$38,990

Great Deal
Oakland, ME
19 mi away
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:
Black
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
93,588
Stock number:
11349
VIN:
1GT12UE88GF206985

Preparing for a close up...

Photos coming soon

2018 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

77,054 miles

$41,769

Fair Deal
South Portland, ME
81 mi away
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:
Quicksilver Metallic
Fuel type:
Flex Fuel Vehicle
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
77,054
Stock number:
D740A
VIN:
1GT12UEG1JF168580

Preparing for a close up...

Photos coming soon

2018 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

78,820 miles

$49,999

Fair Deal
Windham, ME
76 mi away
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:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
78,820
Stock number:
JF100773
VIN:
1GT12UEY1JF100773

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 2500HD

Denali Crew Cab 4WD

80,852 miles

$52,995

Fair Deal
Winthrop, ME
38 mi away
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:
Quicksilver Metallic
Fuel type:
Biodiesel
Interior color:
Jet Black, Forge perforated leather-appointed seat
Transmission:
Automatic
Mileage:
80,852
Stock number:
V5036A
VIN:
1GT49REY8LF112962

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 2500HD
  4. / Denali
  5. / Maine
  6. / Unity
  • GMC Sierra 2500HD Denali in Unity ME

  • GMC Sierra 2500HD SLT in Unity ME

  • GMC Sierra 2500HD SLE in Unity ME

  • GMC Sierra 2500HD Base in Unity ME

  • GMC Sierra 2500HD Work Truck in Unity ME

  • GMC Sierra 2500HD SLE1 in Unity ME

  • GMC Sierra 2500HD SLE2 in Unity ME

  • GMC Sierra 2500HD in Augusta ME

  • GMC Sierra 2500HD in Auburn ME

  • GMC Sierra 2500HD in Portland ME

  • GMC Sierra 2500HD in Portsmouth NH

  • GMC Sierra 2500HD in Manchester NH

  • GMC Sierra 2500HD in Montpelier VT

  • GMC Sierra 2500HD in Groton MA

  • GMC Sierra 2500HD in Boston MA

  • GMC Sierra 2500HD in Burlington VT

  • GMC Sierra 2500HD in Unity ME

  • OBS 1990s-era Chevy and Ford Trucks for Sale in Unity ME

  • Used GMC Electric Cars for Sale

  • Lifted GMC trucks for sale in Unity ME

  • Work Trucks for Sale in Unity ME

  • GM Certified Preowned Vehicles for Sale Near Unity ME

  • 3/4 Ton Trucks for Sale in Unity ME

  • 2019 GMC Sierra 2500HD Denali in Unity ME

  • 2018 GMC Sierra 2500HD Denali in Unity ME

  • 2017 GMC Sierra 2500HD Denali in Unity ME

  • 2016 GMC Sierra 2500HD Denali in Unity ME

  • 2015 GMC Sierra 2500HD Denali in Unity ME

  • 2014 GMC Sierra 2500HD Denali in Unity ME

  • All Used Cars

  • Manual Transmission Cars

  • Luxury Cars

  • Cars with Red Interior

  • Cheap Manual Cars

  • Hybrid Cars

  • Sports Cars

  • Electric SUVs

  • Cheap Trucks

  • Small Cars

  • Third Row SUVs

  • Three Quarter Ton Trucks

  • Lifted Trucks

  • Manual Transmission Trucks

  • Diesel Trucks

  • Hybrid SUVs

  • Dually Trucks

  • One Ton Trucks

  • Cheap SUVs

  • Lifted Ford Trucks

  • 4x4 Trucks

  • Work Trucks

  • AWD SUVs

  • Ford Trucks

  • Chevrolet Trucks

  • Toyota Trucks

  • Trucks Under $10,000

  • Cars Under $15,000

  • Sports Cars Under $20,000

  • Trucks Under $20,000

  • Used Sedans for Sale with Low Mileage

  • Used SUVs / Crossovers for Sale with Low Mileage

  • Used Hatchbacks for Sale with Low Mileage

  • Used Convertibles for Sale with Low Mileage

  • Used Vans for Sale with Low Mileage

  • Used Minivans for Sale with Low Mileage

  • Used Pickup Trucks for Sale with Low Mileage

  • Used Coupes for Sale with Low Mileage

  • Used Wagons for Sale with Low Mileage

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.