2 Results
In Transit
2025 GMC Sierra 2500HD AT4 4WD Crew Cab 159" AT4 Turbocharged Diesel V8 6.6L/ [0]
Stock#: D5602
VIN: 1GT4UPEY3SF133316

New 2025 GMC Sierra 2500HD AT4 4WD

AT4 4WD Crew Cab Standard Box AT4 Pickup 4WD 10-Speed Automatic Turbocharged Diesel V8 6.6L/
GrayThunderstorm Grey BlackJet Black with Kalahari accents

AT4|Includes floor liners, mud flaps, and running boards
MSRP
$113,669
Automatic
4WD
Turbocharged Diesel V8 6.6L/
thunderstorm grey/jet black with kalahari accents
Key Features
  • Back-Up Camera Back-Up Camera
  • Heated Seats Heated Seats
  • Cooled Seat(s) Cooled Seat(s)
  • Remote Start Remote Start
  • Keyless Start Keyless Start
In Transit
2025 GMC Sierra 2500HD AT4 4WD Crew Cab 159" AT4 Turbocharged Diesel V8 6.6L/ [1]
Stock#: D5586
VIN: 1GT1UPEYXSF130805

New 2025 GMC Sierra 2500HD AT4 4WD

AT4 4WD Crew Cab Standard Box AT4 Pickup 4WD 10-Speed Automatic Turbocharged Diesel V8 6.6L/
BlackOnyx Black BlackJet Black with Kalahari accents

AT4|Includes floor liners, mud flaps, and running boards
MSRP
$114,048
Automatic
4WD
Turbocharged Diesel V8 6.6L/
onyx black/jet black with kalahari accents
Key Features
  • Back-Up Camera Back-Up Camera
  • Heated Seats Heated Seats
  • Cooled Seat(s) Cooled Seat(s)
  • Remote Start Remote Start
  • Keyless Start Keyless Start

New GMC Inventory for Dean Cooley GM

* While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Dean Cooley GM.

Effective September 1st, 2022, vehicles sold in Canada above $100,000 pre-tax retail price may be subject to a luxury tax of either 20% on the amount above $100,000 or a flat 10% on the full value. This tax is in addition to the Provincial Sales Tax (PST) and the Goods and Services Tax (GST). For official information, refer to the Government of Canada website.

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