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

Best MPG Diesel Cars for Sale in Cobalt, CT

119 results
Cobalt, CT
2021 Chevrolet Silverado 1500 LT Crew Cab 4WD Middletown Nissan

2021 Chevrolet Silverado 1500

LT Crew Cab 4WD

95,939 miles

$26,464

Good Deal
Middletown, CT
6 mi away
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:
Gray (Satin Steel Metallic)
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
95,939
Stock number:
P38574
VIN:
3GCUYDET9MG162957

Sponsored

2021 GMC Sierra 1500 SLT Crew Cab 4WD

2021 GMC Sierra 1500

SLT Crew Cab 4WD

64,400 miles

$34,994

Great Deal
Waterbury, CT
26 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
White Frost Tricoat
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
64,400
Stock number:
U9543A
VIN:
3GTU9DET3MG407037

Sponsored

2024 Chevrolet Silverado 1500 RST Crew Cab 4WD

2024 Chevrolet Silverado 1500

RST Crew Cab 4WD

23,932 miles

$44,994

Good Deal
Waterbury, CT
26 mi away
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:
Automatic
Mileage:
23,932
Stock number:
U9851
VIN:
1GCUDEE89RZ373600

Sponsored

2020 GMC Sierra 1500 Denali Crew Cab 4WD

2020 GMC Sierra 1500

Denali Crew Cab 4WD

119,293 miles

$29,944

Great Deal
Old Saybrook, CT
20 mi away
Year:
2020
Make:
GMC
Model:
Sierra 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
Transmission:
10-Speed Automatic
Mileage:
119,293
Stock number:
5078
VIN:
1GTU9FET8LZ292641

2022 RAM 1500 Big Horn Crew Cab 4WD

2022 RAM 1500

Big Horn Crew Cab 4WD

48,347 miles

$33,553

Good Deal
Certified Pre-Owned
Willimantic, CT
20 mi away
Year:
2022
Make:
RAM
Model:
1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
260 hp 3L V6 Biodiesel
Exterior color:
Gray (Granite Crystal Metallic Clearcoat)
Combined gas mileage:
25 MPG
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
48,347
Stock number:
12181T
VIN:
1C6SRFFM5NN303398

2021 GMC Sierra 1500 Elevation Crew Cab 4WD

2021 GMC Sierra 1500

Elevation Crew Cab 4WD

99,326 miles

$29,277

Good Deal
New London, CT
27 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Blue
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
99,326
Stock number:
AD2428A
VIN:
3GTU9CET2MG432733

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Denali Ultimate Crew Cab 4WD

23,988 miles

$62,574

Great Deal
Mystic, CT
35 mi away
Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
White Frost Tricoat
Combined gas mileage:
25 MPG
Fuel type:
Diesel
Interior color:
Alpine Umber
Transmission:
Automatic
Mileage:
23,988
Stock number:
7185P
VIN:
1GTUUHE82RZ332405

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

Elevation Crew Cab 4WD

43,658 miles

$40,499

Good Deal
Bridgeport, CT
41 mi away
Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Summit White
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
43,658
Stock number:
B25715T
VIN:
1GTUUCE83PZ107829

Preparing for a close up...

Photos coming soon

2021 RAM 1500

Limited Crew Cab 4WD

46,563 miles

$41,988

Good Deal
Putnam, CT
41 mi away
Year:
2021
Make:
RAM
Model:
1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
260 hp 3L V6 Biodiesel
Exterior color:
Gray (Granite Crystal Metallic Clearcoat)
Combined gas mileage:
25 MPG
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
46,563
Stock number:
261935A
VIN:
1C6SRFHM2MN788045

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

Elevation Crew Cab 4WD

88,584 miles

$30,590

Good Deal
Certified Pre-Owned
Glastonbury, CT
10 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Summit White
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
88,584
Stock number:
21UC8942
VIN:
3GTU9CET9MG183296

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500 Limited

Elevation Crew Cab 4WD

51,296 miles

$34,944

Good Deal
Branford, CT
21 mi away
Year:
2022
Make:
GMC
Model:
Sierra 1500 Limited
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Onyx Black
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
51,296
Stock number:
326808B
VIN:
3GTU9CETXNG170865

Preparing for a close up...

Photos coming soon

2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

31,253 miles

$39,500

Great Deal
Thomaston, CT
28 mi away
Year:
2022
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:
31,253
Stock number:
P11120
VIN:
1GCUYEET4NZ211120

Preparing for a close up...

Photos coming soon

2022 RAM 1500

Laramie Crew Cab 4WD

20,442 miles

$37,994

Great Deal
Waterbury, CT
26 mi away
Year:
2022
Make:
RAM
Model:
1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
260 hp 3L V6 Biodiesel
Exterior color:
Bright White Clearcoat
Combined gas mileage:
25 MPG
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
20,442
Stock number:
U9833
VIN:
1C6SRFJM7NN478064

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

Denali Crew Cab 4WD

87,278 miles

$33,955

Good Deal
Branford, CT
21 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Onyx Black
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
87,278
Stock number:
326804B
VIN:
3GTU9FET6MG373073

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

53,487 miles

$43,990

Good Deal
Branford, CT
21 mi away
Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Onyx Black
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
53,487
Stock number:
11521A
VIN:
1GTUUEET3NZ537339

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 1500

SLE Crew Cab 4WD

118,452 miles

$22,995

Great Deal
Windsor Locks, CT
25 mi away
Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Pacific Blue Metallic
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Dark Walnut/Slate
Transmission:
Automatic
Mileage:
118,452
Stock number:
410174
VIN:
3GTU9BET2LG410174

Preparing for a close up...

Photos coming soon

2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

20,938 miles

$42,894

Good Deal
Mystic, CT
35 mi away
Year:
2022
Make:
Chevrolet
Model:
Silverado 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Dark Ash Metallic
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
20,938
Stock number:
7176P
VIN:
1GCUDEETXNZ594413

Preparing for a close up...

Photos coming soon

2023 Chevrolet Silverado 1500

RST Crew Cab 4WD

69,148 miles

$35,495

Great Deal
Branford, CT
23 mi away
Year:
2023
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:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
69,148
Stock number:
P00334
VIN:
1GCUDEE84PZ281923

Preparing for a close up...

Photos coming soon

2023 Chevrolet Silverado 1500

RST Crew Cab 4WD

21,351 miles

$42,787

Good Deal
Vernon Rockville, CT
21 mi away
Year:
2023
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:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
21,351
Stock number:
10731
VIN:
1GCUDEE84PZ118821

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

34,912 miles

$48,930

Good Deal
Branford, CT
21 mi away
Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Summit White
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
34,912
Stock number:
11524
VIN:
1GTUUEE85PZ200976

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

Denali Crew Cab 4WD

38,126 miles

$53,544

Fair Deal
Branford, CT
21 mi away
Year:
2024
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
White Frost
Combined gas mileage:
25 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
38,126
Stock number:
11595
VIN:
1GTUUGE82RZ144655

Preparing for a close up...

Photos coming soon

2020 Chevrolet Silverado 1500

LTZ Crew Cab 4WD

58,566 miles

$33,971

Good Deal
Branford, CT
21 mi away
Year:
2020
Make:
Chevrolet
Model:
Silverado 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Summit White
Combined gas mileage:
26 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
58,566
Stock number:
326794A
VIN:
3GCUYGET9LG367727

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

Elevation Crew Cab 4WD

77,694 miles

$30,787

Good Deal
Brookfield, CT
45 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Silver
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
77,694
Stock number:
Z3998A
VIN:
3GTU9CET7MG327640

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

Elevation Crew Cab 4WD

38,509 miles

$41,512

Fair Deal
Watertown, CT
28 mi away
Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Titanium Rush Metallic
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
38,509
Stock number:
T548683A
VIN:
3GTUUCET1NG548683

Sponsored

  • Used Convertibles for Sale Under $30,000 in Cobalt CT

  • Used Convertibles for Sale Under $40,000 in Cobalt CT

  • Used Convertibles for Sale Under $50,000 in Cobalt CT

  • Used Convertibles for Sale Under $60,000 in Cobalt CT

  • Cars for Sale Under $20,000 in Cobalt CT

  • Best MPG Trucks for Sale in Cobalt CT

  • Best MPG Hatchbacks for Sale in Cobalt CT

  • Best MPG Wagons for Sale in Cobalt CT

  • Best MPG Coupes for Sale in Cobalt CT

  • Best MPG Convertibles for Sale in Cobalt CT

  • Hybrid Sedans for Sale in Cobalt CT

  • Used Coupes for Sale Under $40,000 in Cobalt CT

  • Best MPG Diesel Cars for Sale in Hartford CT

  • Best MPG Diesel Cars for Sale in New Haven CT

  • Best MPG Diesel Cars for Sale in Chicopee MA

  • Best MPG Diesel Cars for Sale in Holtsville NY

  • Best MPG Diesel Cars for Sale in Providence RI

  • Best MPG Diesel Cars for Sale in Stamford CT

  • Best MPG Diesel Cars for Sale in Worcester MA

  • Best MPG Diesel Cars for Sale in Pittsfield MA

  • Best MPG Diesel Cars for Sale in Newburgh NY

  • 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

  • Blasius Mitsubishi

  • Blasius Pre-Owned Auto Sales

  • Blasius South

  • Road Ready Used Cars

  • Brustolon Buick GMC

  • Hitchcock Motor Car

  • BMW of Bridgeport

  • Richard Chevrolet

  • DriveMax

  • Webster Auto Sales

  • Blasius North

  • Jim Juliani Motor Car Company

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.