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 SLT for Sale near Connecticut

75 results
Hartford, CT
2015 GMC Sierra 2500HD SLT Crew Cab SB 4WD Suffield Auto LLC

2015 GMC Sierra 2500HD

SLT Crew Cab SB 4WD

121,506 miles

$26,990

Good Deal
Suffield, CT
15 mi away
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:
Stone Blue Metallic
Fuel type:
Flex Fuel Vehicle
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
121,506
Stock number:
678449
VIN:
1GT12ZEG5FF678449

Sponsored

2020 GMC Sierra 2500HD SLT Crew Cab 4WD

2020 GMC Sierra 2500HD

SLT Crew Cab 4WD

61,418 miles

$46,987

Great Deal
Vernon Rockville, CT
12 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:
Carbon Black Metallic
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
61,418
Stock number:
10755
VIN:
1GT19NEY4LF291626

Sponsored

2015 GMC Sierra 2500HD SLT Crew Cab SB 4WD

2015 GMC Sierra 2500HD

SLT Crew Cab SB 4WD

141,824 miles

$29,568

Good Deal
Middletown, CT
16 mi away
Year:
2015
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:
Black
Transmission:
6-Speed Automatic
Mileage:
141,824
Stock number:
C25082A
VIN:
1GT12ZE87FF124693

Sponsored

2020 GMC Sierra 2500HD SLT Crew Cab 4WD

2020 GMC Sierra 2500HD

SLT Crew Cab 4WD

61,418 miles

$46,987

Great Deal
Vernon Rockville, CT
12 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:
Carbon Black Metallic
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
61,418
Stock number:
10755
VIN:
1GT19NEY4LF291626

2016 GMC Sierra 2500HD SLT Crew Cab SB 4WD

2016 GMC Sierra 2500HD

SLT Crew Cab SB 4WD

32,421 miles

$39,997

Fair Deal
East Longmeadow, MA
22 mi away
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:
Brown
Fuel type:
Flex Fuel Vehicle
Interior color:
Brown (Tan)
Transmission:
Automatic
Mileage:
32,421
Stock number:
2681
VIN:
1GT12TEG7GF182681

2020 GMC Sierra 2500HD SLT Crew Cab 4WD

2020 GMC Sierra 2500HD

SLT Crew Cab 4WD

133,479 miles

$38,056

Fair Deal
Putnam, CT
41 mi away
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:
White Frost Tricoat
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate
Transmission:
6-Speed Automatic
Mileage:
133,479
Stock number:
CT2091A
VIN:
1GT49NE7XLF190515

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 2500HD

SLT Crew Cab 4WD

30,744 miles

$57,440

Good Deal
Litchfield, CT
28 mi away
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:
Titanium Rush Metallic
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
30,744
Stock number:
U27971
VIN:
1GT49NE72RF221488

Preparing for a close up...

Photos coming soon

2015 GMC Sierra 2500HD

SLT Crew Cab SB 4WD

141,824 miles

$29,568

Good Deal
Middletown, CT
16 mi away
Year:
2015
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:
Black
Transmission:
6-Speed Automatic
Mileage:
141,824
Stock number:
C25082A
VIN:
1GT12ZE87FF124693

Preparing for a close up...

Photos coming soon

2015 GMC Sierra 2500HD

SLT Crew Cab SB 4WD

121,506 miles

$26,990

Good Deal
Suffield, CT
15 mi away
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:
Stone Blue Metallic
Fuel type:
Flex Fuel Vehicle
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
121,506
Stock number:
678449
VIN:
1GT12ZEG5FF678449

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 2500HD

SLT Crew Cab 4WD

108,058 miles

$42,997

Good Deal
Store transfer to Hartford, CT
2,469 mi away • Price includes $1,999 shipping Price includes $1,999 shipping
Year:
2020
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Black
Interior color:
Black
Transmission:
Automatic
Mileage:
108,058
Stock number:
27427819
VIN:
1GT49NEY6LF114685

Preparing for a close up...

Photos coming soon

2018 GMC Sierra 2500HD

SLT Double Cab SB 4WD

87,297 miles

$32,990

Good Deal
East Windsor, CT
9 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:
Dark Slate Metallic
Fuel type:
Flex Fuel Vehicle
Interior color:
Cocoa/Dune
Transmission:
Automatic
Mileage:
87,297
Stock number:
327929
VIN:
1GT22TEG6JZ327929

Preparing for a close up...

Photos coming soon

2015 GMC Sierra 2500HD

SLT Crew Cab SB 4WD

99,208 miles

$28,950

Fair Deal
Manchester, CT
9 mi away
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:
Summit White
Fuel type:
Flex Fuel Vehicle
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
99,208
Stock number:
674585
VIN:
1GT12ZEG4FF674585

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 2500HD

SLT Crew Cab 4WD

30,744 miles

$57,440

Good Deal
Litchfield, CT
28 mi away
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:
Titanium Rush Metallic
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
30,744
Stock number:
U27971
VIN:
1GT49NE72RF221488

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 2500HD
  4. / SLT
  5. / Connecticut

  • GMC Sierra 2500HD Denali in Connecticut

  • GMC Sierra 2500HD SLT in Connecticut

  • GMC Sierra 2500HD SLE in Connecticut

  • GMC Sierra 2500HD Base in Connecticut

  • GMC Sierra 2500HD Work Truck in Connecticut

  • GMC Sierra 2500HD SLE1 in Connecticut

  • GMC Sierra 2500HD SLE2 in Connecticut

  • GMC Sierra 2500HD in Hartford CT

  • GMC Sierra 2500HD in New Haven CT

  • GMC Sierra 2500HD in Stamford CT

  • GMC Sierra 2500HD in Connecticut

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

  • Used GMC Electric Cars for Sale

  • Lifted GMC trucks for sale in Connecticut

  • Work Trucks for Sale in Connecticut

  • GM Certified Preowned Vehicles for Sale Near Connecticut

  • 3/4 Ton Trucks for Sale in Connecticut

  • 2019 GMC Sierra 2500HD SLT in Connecticut

  • 2018 GMC Sierra 2500HD SLT in Connecticut

  • 2017 GMC Sierra 2500HD SLT in Connecticut

  • 2016 GMC Sierra 2500HD SLT in Connecticut

  • 2015 GMC Sierra 2500HD SLT in Connecticut

  • 2014 GMC Sierra 2500HD SLT in Connecticut

  • 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

  • Brustolon Buick GMC

  • Balise Chevrolet GMC

  • Scranton Cadillac GMC of Vernon

  • Sullivan's Northwest Hills Chevy Cadillac Buick GMC

  • Bob Pion Buick GMC

  • Vachon GMC

  • Gates GMC Nissan

  • Wallingford GMC

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

© 2025 CarGurus, Inc., All Rights Reserved.