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Used Cars for SaleGMCSierra 2500

Used GMC Sierra 2500 for Sale in Naugatuck, CT

06770

|Filters (3)

GMC Certified Pre-Owned(4)

2014 and newer(58)

Black(19)

Red(5)

2009 and older(1)

AWD/4WD(60)

Blue(4)

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GMC

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Sierra 2500

Acadia (110)

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Envoy (2)

Envoy XL (1)

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G1500

G2500

G3500

Hummer EV (4)

Jimmy

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S15 Jimmy

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Safari (1)

Savana 1500 (1)

Savana 2500 (39)

Savana 3500 (4)

Savana 4500

Sierra 1500 (221)

Sierra 2500 (62)

Sierra 3500 (18)

Sierra EV (1)

Sonoma

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Terrain (110)

TopKick C4500

TopKick C5500

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Yukon (64)

Yukon XL (33)

Sierra 2500 Trims

Any

AT4 (13)

AT4X (1)

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Denali (22)

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Pro (1)

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SLE (7)

SLT (7)

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Condition (1 selected)

New (87)

Used (62)

Manufacturer Certified (4)

Third-Party Certified (0)

Certified Program

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Crew Cab (52)

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Regular Cab (2)

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Long (4)

Include unspecified lengths (1)

Vehicle History

Features

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Fuel Economy

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Best Deals

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62 Matches

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Used 2017 GMC Sierra 2500 SLT w/ Snow Plow Prep Package

Used

2017 GMC Sierra 2500

SLT
88K mi

29,990

See payment

Great Price

Sponsored by Century Auto and Truck Center

36.74 mi. away

Price Drop

Used 2021 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Used

2021 GMC Sierra 2500

AT4
63K mi

54,500

See payment

Sponsored by Gallagher GMC

18.39 mi. away

Price Drop

Used 2016 GMC Sierra 2500 Denali w/ Driver Alert Package

Used

2016 GMC Sierra 2500

Denali
110K mi

34,000

See payment

Good Price

Sponsored by Garavel Chrysler Jeep Dodge RAM

31.08 mi. away

My Wallet

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and Within Budget

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Based on 4.5% APR for mos.Update Settings

Used 2021 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used

2021 GMC Sierra 2500

Denali
35K mi

58,945

See payment

Great Price

Blasius Pre Owned Auto Sales

5.14 mi. away

Used 2018 GMC Sierra 2500 Denali w/ Duramax Plus Package

Used

2018 GMC Sierra 2500

Denali
82K mi

49,995

See payment

Good Price

J&M Automotive

1.2 mi. away

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New 2026 GMC Sierra 2500 SLE w/ SLE Convenience Package

Consider New, Similar Payment

2026 GMC Sierra 2500

SLE
4 mi

56,234

See details

Brustolon GMC

57.71 mi. away

Certified 2022 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Certified

2022 GMC Sierra 2500

Denali
23K mi

61,900

See payment

Great Price

Hamden Chevrolet

10.9 mi. away

Item 1 of 10.

How many passenger seats do you need in your truck?

Do you want

Adaptive Cruise Control?

Automatically adjusts your speed to maintain a safe distance from the car ahead.

Do you want

Backup Camera?

See behind your vehicle while reversing with a live video feed to avoid obstacles.

Do you want

Bluetooth, Hands-Free?

Make and receive calls safely through your car's audio system without touching your phone.

Do you want

Cross Traffic Alert?

Warns you of approaching vehicles from the sides when backing out of a parking spot.

Do you want

Keyless Start?

Start your car with the push of a button while the key fob stays in your pocket or bag.

Do you want

Lane Departure Warning?

Alerts you if your car begins to drift out of its lane without signaling.

Do you want

Premium Audio?

Enjoy high-quality sound with advanced speakers for a better listening experience.

Do you want

Remote Engine Start?

Start your car from a distance to preheat or cool the cabin before you get in.

Do you want

Security System?

Alerts you with a loud alarm if someone tries to break into your vehicle.

Price Drop

Used 2015 GMC Sierra 2500 SLT w/ Duramax Plus Package

Used

2015 GMC Sierra 2500

SLT
141K mi

29,986

See payment

Great Price

Middletown Chevrolet

20.69 mi. away

Used 2024 GMC Sierra 2500 Denali Ultimate

Used

2024 GMC Sierra 2500

Denali Ultimate
16K mi

77,995

See payment

Great Price

A Better Way Wholesale Auto

1.95 mi. away

Price Drop

Used 2024 GMC Sierra 2500 Denali Ultimate

Used

2024 GMC Sierra 2500

Denali Ultimate
11K mi

76,779

See payment

Great Price

Ingersoll Auto of Danbury

20.49 mi. away

Used 2020 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used

2020 GMC Sierra 2500

Denali
82K mi

54,995

See payment

Good Price

J&M Automotive

1.2 mi. away

Used 2020 GMC Sierra 2500 AT4 w/ Technology Package

Used

2020 GMC Sierra 2500

AT4
86K mi

45,693

See payment

Great Price

GMC of Watertown

6.14 mi. away

Used 2024 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

Used

2024 GMC Sierra 2500

AT4
50K mi

66,588

See payment

Great Price

Branhaven Chrysler Dodge Jeep Ram

17.91 mi. away

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Used 2022 GMC Sierra 2500 Denali w/ Denali Ultimate Package

Used

2022 GMC Sierra 2500

Denali
24K mi

64,594

See payment

Good Price

Port Jeff Chrysler Jeep

39.37 mi. away

Used 2022 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Used

2022 GMC Sierra 2500

AT4
48K mi

54,368

See payment

Good Price

GMC of Watertown

6.14 mi. away

Price Drop

Used 2016 GMC Sierra 2500 Denali w/ Driver Alert Package

Used

2016 GMC Sierra 2500

Denali
110K mi

34,000

See payment

Good Price

Garavel Chrysler Jeep Dodge RAM

31.08 mi. away

Price Drop

Used 2024 GMC Sierra 2500 Denali w/ Denali Reserve Package

Used

2024 GMC Sierra 2500

Denali
24K mi

68,490

See payment

Great Price

Ingersoll Auto of Danbury

20.49 mi. away

Used 2015 GMC Sierra 2500 SLT w/ All-Terrain HD Package

Used

2015 GMC Sierra 2500

SLT
74K mi

25,995

See payment

Great Price

Northport Motors LLC

49.32 mi. away

Used 2025 GMC Sierra 2500 AT4

Used

2025 GMC Sierra 2500

AT4
1K mi

68,997

See payment

Ingersoll Auto of Danbury

20.49 mi. away

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Used 2025 GMC Sierra 2500 AT4

Used

2025 GMC Sierra 2500

AT4
7K mi

73,236

See payment

Ingersoll Auto of Danbury

20.49 mi. away

Used 2024 GMC Sierra 2500 AT4X

Used

2024 GMC Sierra 2500

AT4X
30K mi

75,313

See payment

Great Price

Ingersoll Auto of Danbury

20.49 mi. away

Used 2011 GMC Sierra 2500 Denali w/ Snow Plow Prep Package

Used

2011 GMC Sierra 2500

Denali
95K mi

24,995

See payment

Good Price

Northport Motors LLC

49.32 mi. away

Price Drop

Used 2025 GMC Sierra 2500 SLE w/ Preferred Package

Used

2025 GMC Sierra 2500

SLE
6K mi

65,900

See payment

Charles Toyota

49.6 mi. away

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Used 2024 GMC Sierra 2500 Denali w/ Max Trailering Package

Used

2024 GMC Sierra 2500

Denali
22K mi

67,836

See payment

Great Price

Ingersoll Auto Of Pawling

27.98 mi. away

Used 2024 GMC Sierra 2500 Denali Ultimate

Used

2024 GMC Sierra 2500

Denali Ultimate
46K mi

70,353

See payment

Great Price

Ingersoll Auto Of Pawling

27.98 mi. away

Used 2021 GMC Sierra 2500 AT4 w/ Snow Plow Prep/Camper Package

Used

2021 GMC Sierra 2500

AT4
108K mi

43,338

See payment

Good Price

Ingersoll Auto of Danbury

20.49 mi. away

Price Drop

Used 2021 GMC Sierra 2500 AT4 w/ AT4 Preferred Package

Used

2021 GMC Sierra 2500

AT4
63K mi

54,500

See payment

Gallagher GMC

18.39 mi. away

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