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Used Cars for Sale
GMC
Sierra 2500
AT4X
Used GMC Sierra 2500 AT4X for Sale in New Milford, CT
06776
Filters (4)
Items 1 to 2 of 5.
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(3)
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(3)
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Make, Model & Trim
GMC
Models
Sierra 2500
Acadia
(83)
Caballero
Canyon
(41)
Envoy
Envoy XL
(1)
Envoy XUV
G1500
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G3500
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(20)
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(16)
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(188)
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(67)
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(13)
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(8)
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(65)
TopKick C4500
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(54)
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(29)
Sierra 2500 Trims
AT4X
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(11)
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(3)
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(23)
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(10)
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(4)
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SLE
(7)
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(7)
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(1)
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(2)
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(2)
Add Another Make
GMC
Models
Sierra 2500
Acadia
(83)
Caballero
Canyon
(41)
Envoy
Envoy XL
(1)
Envoy XUV
G1500
G2500
G3500
Hummer EV
(20)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
Savana 2500
(16)
Savana 3500
Savana 4500
Sierra 1500
(188)
Sierra 2500
(67)
Sierra 3500
(13)
Sierra EV
(8)
Sonoma
Suburban
Syclone
Terrain
(65)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(54)
Yukon XL
(29)
Sierra 2500 Trims
AT4X
AT4
(11)
AT4X
(3)
Classic SL
Classic SLE
Classic SLT
Classic W/T
Denali
(23)
Denali Ultimate
(10)
Pro
(4)
SL
SLE
(7)
SLT
(7)
W/T
(1)
AT4X Package
Any
LPO, Hitch Package
Gooseneck/5th Wheel Prep Package
(2)
LPO, Cargo Convenience Package
LPO, Black Badging Package
AT4X AEV Edition
Snow Plow Prep/Camper Package
(2)
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(6)
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(3)
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(6)
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(3)
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(3)
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(0)
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(3)
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(0)
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(0)
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(0)
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(3)
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(0)
Include unspecified lengths
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Vehicle History
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3 Matches
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Used
2025 GMC Sierra 2500
AT4X
8K mi
82,995
See payment
Great Price
No Accidents
Price Drop
Used
2025 GMC Sierra 2500
AT4X
128 mi
85,000
See payment
Great Price
No Accidents
Used
2025 GMC Sierra 2500
AT4X
8K mi
82,995
See payment
Great Price
No Accidents
Used
2024 GMC Sierra 2500
AT4X
30K mi
73,000
See payment
Great Price
No Accidents
Consider New, Similar Payment
2026 GMC Sierra 2500
AT4X
7 mi
97,979
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