(opens in new window)

Sign In

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
- Helpful Links
- Find Local Dealers
- Best Car Deals
- Best Truck Deals
- Best SUV Deals
- Buy Cars Online
- Car Research & News
- Research & Information
- New & Future Models
- Trim Comparisons
- Car Buying Tools
- Buying & Selling Tips
- Car Payment Calculator
- Affordability Calculator
- Car Lease Calculator
See if you can save on car insurance on KBB.com
Get a Kelley Blue Book® Instant Cash Offer
Run a free AutoCheck Vehicle History Report with Experian
AI ModeBeta

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
AI ModeBeta

Skip to vehicle Listings

Your next car is just a chat away. Try AI Mode

Used Cars for SaleGMCSierra 1500AT4

Used GMC Sierra 1500 AT4 for Sale in Hamden, CT

Filters (4)

Items 1 to 2 of 12.

Location & Delivery

Year

Price & Payments

Price selected

Min Price

Max Price

Price Rating

Price selected

Min Price

Max Price

Price Rating

Make, Model & Trim

GMC

Models

Sierra 1500

Acadia (84)

Caballero

Canyon (48)

Envoy (1)

Envoy XL (1)

Envoy XUV

G1500

G2500

G3500

Hummer EV (15)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500 (1)

Savana 2500 (26)

Savana 3500 (5)

Savana 4500

Sierra 1500 (288)

Sierra 2500 (82)

Sierra 3500 (31)

Sierra EV (7)

Sonoma

Suburban

Syclone

Terrain (84)

TopKick C4500

TopKick C5500

Typhoon

Yukon (85)

Yukon XL (31)

Sierra 1500 Trims

AT4

AT4 (35)

AT4X (8)

C3

Carrera GTS

Classic

Classic Denali

Denali (53)

Denali Ultimate (22)

Elevation (84)

Limited (1)

Limited AT4

Limited Denali

Limited Elevation

Limited Pro

Limited SLE

Limited SLT

Pro (13)

SL

SLE (19)

SLT (46)

Special

Sport

W/T (1)

XFE

AT4 Package

Any

Off-Road Performance Package

AT4 Carbonpro Edition (1)

AT4 Preferred Package (5)

Trailer Camera Package Provisions

LPO, Assist Step and Tonneau Package

Driver Alert Package II (7)

LPO, Cargo Convenience Package

LPO, Performance Upgrade Package

LPO, Black Badging Package

Off Road Performance Package

Driver Alert Package I

Trailer Camera Package

Technology Package (22)

LPO, Utility Wall Package

LPO, Off-Road Appearance Package

AT4 Premium Package (19)

Sierra Safety Plus Package

AT4 Value Package (1)

GMC

Models

Sierra 1500

Acadia (84)

Caballero

Canyon (48)

Envoy (1)

Envoy XL (1)

Envoy XUV

G1500

G2500

G3500

Hummer EV (15)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500 (1)

Savana 2500 (26)

Savana 3500 (5)

Savana 4500

Sierra 1500 (288)

Sierra 2500 (82)

Sierra 3500 (31)

Sierra EV (7)

Sonoma

Suburban

Syclone

Terrain (84)

TopKick C4500

TopKick C5500

Typhoon

Yukon (85)

Yukon XL (31)

Sierra 1500 Trims

AT4

AT4 (35)

AT4X (8)

C3

Carrera GTS

Classic

Classic Denali

Denali (53)

Denali Ultimate (22)

Elevation (84)

Limited (1)

Limited AT4

Limited Denali

Limited Elevation

Limited Pro

Limited SLE

Limited SLT

Pro (13)

SL

SLE (19)

SLT (46)

Special

Sport

W/T (1)

XFE

AT4 Package

Any

Off-Road Performance Package

AT4 Carbonpro Edition (1)

AT4 Preferred Package (5)

Trailer Camera Package Provisions

LPO, Assist Step and Tonneau Package

Driver Alert Package II (7)

LPO, Cargo Convenience Package

LPO, Performance Upgrade Package

LPO, Black Badging Package

Off Road Performance Package

Driver Alert Package I

Trailer Camera Package

Technology Package (22)

LPO, Utility Wall Package

LPO, Off-Road Appearance Package

AT4 Premium Package (19)

Sierra Safety Plus Package

AT4 Value Package (1)

Mileage

Condition (1 selected)

Certified Program

Learn more

Certified Program

Learn more

Color

Drive Type

Body Style

Truck Cab Size

Truck Bed Length

Vehicle History

Features

Fuel Type

Fuel Economy

Transmission

Cylinders

Engine Displacement

Number of Seats

Number of Doors

Purchase Options

Seller Type

35 Matches

Sort By:

Price Drop

360°

Used 2023 GMC Sierra 1500 AT4

Used

2023 GMC Sierra 1500

AT4
31K mi

50,574

Great Price

Dealer Fees Included

Sponsored by Brustolon Buick GMC Inc.

50.18 mi. away

360°

Used 2024 GMC Sierra 1500 AT4 w/ Technology Package

Used

2024 GMC Sierra 1500

AT4
20K mi

56,974

Great Price

Dealer Fees Included

Sponsored by Brustolon Buick GMC Inc.

50.18 mi. away

Price Drop

360°

Used 2024 GMC Sierra 1500 AT4 w/ Technology Package

Used

2024 GMC Sierra 1500

AT4
26K mi

55,974

Great Price

Dealer Fees Included

Sponsored by Brustolon Buick GMC Inc.

50.18 mi. away

My Wallet

Find it Fast.

Keep it Affordable.

Monthly Payment

Credit Rating

Down Payment

Trade-In Value

Est. Trade-In Value

Get My Kelley Blue Book® CarValue

Amount Owed on Trade-In

Get My Payoff Quote

$

Based on 4.5% APR for mos.

Newly Listed

Used 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2026 GMC Sierra 1500

AT4
9 mi

64,997

Great Price

Dealer Fees Included

GMC of Watertown

13.88 mi. away

Price Drop

Used 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2026 GMC Sierra 1500

AT4
11 mi

61,997

Great Price

Dealer Fees Included

GMC of Watertown

13.88 mi. away

New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Consider New, Similar Payment

2026 GMC Sierra 1500

AT4
3 mi

71,270

Brustolon GMC

50.18 mi. away

Advertisement

360°

Used 2023 GMC Sierra 1500 AT4

Used

2023 GMC Sierra 1500

AT4
21K mi

48,574

Great Price

Dealer Fees Included

Brustolon Buick GMC Inc.

50.18 mi. away

Price Drop

Used 2021 GMC Sierra 1500 AT4 w/ AT4 Value Package

Used

2021 GMC Sierra 1500

AT4
33K mi

43,997

Great Price

Dealer Fees Included

GMC of Watertown

13.88 mi. away

Newly Listed

Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2020 GMC Sierra 1500

AT4
92K mi

36,997

Good Price

Dealer Fees Included

GMC of Watertown

13.88 mi. away

Used 2026 GMC Sierra 1500 AT4

Used

2026 GMC Sierra 1500

AT4
18 mi

62,997

Great Price

Dealer Fees Included

Ingersoll Auto of Danbury

26.7 mi. away

Price Drop

360°

Used 2023 GMC Sierra 1500 AT4

Used

2023 GMC Sierra 1500

AT4
38K mi

48,974

Great Price

Dealer Fees Included

Brustolon Buick GMC Inc.

50.18 mi. away

Advertisement

Price Drop

360°

Used 2023 GMC Sierra 1500 AT4

Used

2023 GMC Sierra 1500

AT4
31K mi

50,574

Great Price

Dealer Fees Included

Brustolon Buick GMC Inc.

50.18 mi. away

Price Drop

360°

Used 2024 GMC Sierra 1500 AT4 w/ Technology Package

Used

2024 GMC Sierra 1500

AT4
26K mi

55,974

Great Price

Dealer Fees Included

Brustolon Buick GMC Inc.

50.18 mi. away

Certified 2023 GMC Sierra 1500 AT4 w/ Technology Package

2023 GMC Sierra 1500

AT4
19K mi

54,626

Great Price

Dealer Fees Included

Scranton Cadillac GMC of Vernon

37.44 mi. away

Used 2020 GMC Sierra 1500 AT4 w/ AT4 Premium Package

2020 GMC Sierra 1500

AT4
70K mi

38,685

Great Price

Dealer Fees Included

Sarat Ford Lincoln

47.82 mi. away

Online Paperwork

Advertisement

360°

Used 2024 GMC Sierra 1500 AT4 w/ Technology Package

Used

2024 GMC Sierra 1500

AT4
20K mi

56,974

Great Price

Dealer Fees Included

Brustolon Buick GMC Inc.

50.18 mi. away

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2023 GMC Sierra 1500

AT4
46K mi

47,997

Great Price

Dealer Fees Included

Ingersoll Auto of Danbury

26.7 mi. away

Used 2022 GMC Sierra 1500 AT4

Used

2022 GMC Sierra 1500

AT4
81K mi

37,995

J&M Automotive

7.49 mi. away

Used 2024 GMC Sierra 1500 AT4 w/ Technology Package

Used

2024 GMC Sierra 1500

AT4
45K mi

53,602

Great Price

Dealer Fees Included

Scranton Cadillac GMC of Vernon

37.44 mi. away

Certified 2024 GMC Sierra 1500 AT4 w/ Technology Package

2024 GMC Sierra 1500

AT4
44K mi

55,624

Great Price

Dealer Fees Included

Scranton Cadillac GMC of Vernon

37.44 mi. away

Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2025 GMC Sierra 1500

AT4
19K mi

57,997

Good Price

Dealer Fees Included

Ingersoll Auto of Danbury

26.7 mi. away

Used 2024 GMC Sierra 1500 AT4 w/ Technology Package

Used

2024 GMC Sierra 1500

AT4
27K mi

54,974

Great Price

Dealer Fees Included

Sponsored by Brustolon Buick GMC Inc.

50.18 mi. away

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2023 GMC Sierra 1500

AT4
24K mi

52,595

Dealer Fees Included

Nissan 112 Certified

43.18 mi. away

Price Drop

Used 2019 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2019 GMC Sierra 1500

AT4
102K mi

29,920

Dealer Fees Included

Danbury Kia

28.15 mi. away

Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2021 GMC Sierra 1500

AT4
49K mi

38,999

Blasius of Bristol

16.96 mi. away

Used 2022 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2022 GMC Sierra 1500

AT4
98K mi

34,020

Great Price

Dealer Fees Included

Stevens 112 Ford

44.54 mi. away

Used 2026 GMC Sierra 1500 AT4

Used

2026 GMC Sierra 1500

AT4
8 mi

65,997

Good Price

Dealer Fees Included

GMC of Watertown

13.88 mi. away

Newly Listed

Used 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2026 GMC Sierra 1500

AT4
32 mi

66,997

Great Price

Dealer Fees Included

GMC of Watertown

13.88 mi. away

Advertisement

Similar Vehicles for Sale

Used 2022 GMC Sierra 1500 AT4 for Sale
2 for sale
Used 2023 GMC Sierra 1500 AT4 for Sale
9 for sale
Used 2024 GMC Sierra 1500 AT4 for Sale
9 for sale
Used 2021 GMC Sierra 1500 AT4 for Sale
5 for sale
Used 2020 GMC Sierra 1500 AT4 for Sale
3 for sale
Used 2019 GMC Sierra 1500 AT4 for Sale
1 for sale
Used 2025 GMC Sierra 1500 AT4 for Sale
1 for sale
Used 2026 GMC Sierra 1500 AT4 for Sale
5 for sale

View All Similar Vehicles

Used GMC Sierra 1500 AT4 in Nearby Cities

Used GMC Sierra 1500 AT4 For Sale in Hartford
30 for sale

Shop for a Car

Used Cars for Sale
Certified Cars for Sale
New Cars for Sale
For Sale By Owner
Car Deals

Sell Your Car

List Your Car for Sale
How to Sell a Car
Trade-In Values and Car Pricing from Kelley Blue Book®

About Us

About Autotrader
About Cox Automotive
Jobs at Autotrader
Become an Autotrader Dealer
Press Room
Site Map
Fraud Awareness
Contact Us

Autotrader Affiliates

Classic Cars & Trucks for Sale
Motorcycles for Sale
RVs for Sale
Cars for Bad Credit Buyers
Find Cars for Sale in Australia

Privacy Notice & Options

Privacy Notice
Do Not Sell or Share My Personal Information
Limit the Use of My Sensitive Personal Information
Manage Cookies

Download on the Apple App Store

Get it on Google Play

Follow

Autotrader, a Cox Automotive Company

By using this service, you accept the terms of our Visitor Agreement and Accessibility Statement.

©2026 Autotrader, Inc. All Rights Reserved. "Autotrader" is a registered trademark of TPI Holdings, Inc. used under exclusive license.