Best MPG Diesel Cars for Sale in Willimantic, CT

2021 GMC Sierra 1500

Elevation Crew Cab 4WD

41,653 miles

$37,541

Fair Deal

Holyoke, MA

39 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:: Gray (Satin Steel Metallic)
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 41,653
Stock number:: AT10481A
VIN:: 3GTU9CET1MG307528

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2022 GMC Sierra 1500

Elevation Crew Cab 4WD

38,509 miles

$41,512

Fair Deal

Watertown, CT

47 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

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2023 GMC Sierra 1500

AT4 Crew Cab 4WD

34,912 miles

$48,930

Good Deal

Branford, CT

40 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

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2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

76,737 miles

$32,647

Great Deal

Auburn, MA

43 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:: Summit White
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 76,737
Stock number:: SI26109B
VIN:: 1GCUYEET7NZ128250

2020 GMC Sierra 1500

Denali Crew Cab 4WD

119,293 miles

$29,944

Great Deal

Old Saybrook, CT

29 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

48,347 miles

$33,553

Good Deal

Certified Pre-Owned

Willimantic, CT

2 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

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2021 Chevrolet Silverado 1500

LTZ Crew Cab 4WD

81,957 miles

$30,988

Great Deal

Certified Pre-Owned

East Providence, RI

45 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:: Jet Black, Perforated Leather-Appointed Front Seat
Transmission:: Automatic
Mileage:: 81,957
Stock number:: EP3103A
VIN:: 3GCUYGET8MG373391

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2021 GMC Sierra 1500

Elevation Crew Cab 4WD

99,326 miles

$29,277

Good Deal

New London, CT

24 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

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2024 GMC Sierra 1500

Denali Ultimate Crew Cab 4WD

23,988 miles

$62,574

Great Deal

Mystic, CT

28 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

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2021 RAM 1500

Limited Crew Cab 4WD

46,563 miles

$41,988

Good Deal

Putnam, CT

21 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

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2021 GMC Sierra 1500

Elevation Crew Cab 4WD

88,584 miles

$30,590

Good Deal

Certified Pre-Owned

Glastonbury, CT

20 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

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2022 GMC Sierra 1500 Limited

Elevation Crew Cab 4WD

51,296 miles

$34,944

Good Deal

Branford, CT

40 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

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2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

31,253 miles

$39,500

Great Deal

Thomaston, CT

45 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

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2022 RAM 1500

Laramie Crew Cab 4WD

20,442 miles

$37,994

Great Deal

Waterbury, CT

45 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

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2021 GMC Sierra 1500

Denali Crew Cab 4WD

87,278 miles

$33,955

Good Deal

Branford, CT

40 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

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2022 GMC Sierra 1500

AT4 Crew Cab 4WD

53,487 miles

$43,990

Good Deal

Branford, CT

40 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

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2021 GMC Sierra 1500

AT4 Crew Cab 4WD

67,575 miles

$38,964

Good Deal

Auburn, MA

43 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 With Kalahari Accents
Transmission:: Automatic
Mileage:: 67,575
Stock number:: SI26350A
VIN:: 3GTU9EET0MG296839

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2020 GMC Sierra 1500

SLE Crew Cab 4WD

118,452 miles

$22,995

Great Deal

Windsor Locks, CT

28 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

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2022 Chevrolet Silverado 1500

RST Crew Cab 4WD

20,938 miles

$42,894

Good Deal

Mystic, 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:: Dark Ash Metallic
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 20,938
Stock number:: 7176P
VIN:: 1GCUDEETXNZ594413

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2023 Chevrolet Silverado 1500

RST Crew Cab 4WD

69,148 miles

$35,495

Great Deal

Branford, CT

42 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

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2023 Chevrolet Silverado 1500

RST Crew Cab 4WD

21,351 miles

$42,787

Good Deal

Vernon Rockville, CT

18 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

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2023 GMC Sierra 1500

AT4 Crew Cab 4WD

34,912 miles

$48,930

Good Deal

Branford, CT

40 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

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2024 GMC Sierra 1500

Denali Crew Cab 4WD

38,126 miles

$53,544

Fair Deal

Branford, CT

40 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

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2021 GMC Sierra 1500

AT4 Crew Cab 4WD

66,486 miles

$39,977

Fair Deal

Auburn, MA

38 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 With Kalahari Accents
Transmission:: Automatic
Mileage:: 66,486
Stock number:: LAW6051
VIN:: 3GTU9EET3MG307087

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