Used Gmc Sierra's for sale in under $69,995

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2020 GMC Sierra 2500HD AT4 Review

Driven by cheaper fuel prices and a resurgent appetite for all things large, the truck segment is in the midst of a renaissance like never before: they’re bigger, smarter, more capable and increasingly luxurious with jaw dropping price tags. And this one is a real monster – the all-new GMC Sierra Heavy Duty. I’ve driven some big trucks this year including Ram’s new 3500 dually Mega Cab but this one feels even more gargantuan. It’s the Sierra 2500 Heavy Duty; taller and longer than its predecessor and now available in AT4 livery for a little more off-road worthiness. You’ll need the various sidesteps, bumper steps and grab handles for this one because it’s just that large.

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2025 GMC Sierra St. Peters MO

2025 GMC Sierra SLT

4WD - V8, 5.3L

White Frost Tricoat

St. Peters, MO

Johnny Londoff Autoplex

Contact seller

2,046 miles

2023 GMC Sierra Billings MT

2023 GMC Sierra SLT GM CERTIFED

4WD - V8, 5.3L

Billings, MT

Denny Menholt Frontier Chevrolet

9,923 miles

2023 GMC Sierra Rexburg ID

2023 GMC Sierra AT4

4WD - 6 Cyl, 3.0L

Rexburg, ID

30,943 miles

2025 GMC Sierra Mexico MO

2025 GMC Sierra AT4

4WD - 6 Cyl, 3.0L

Pearl Motor Company

Contact seller

4,689 miles

2024 GMC Sierra Ephraim UT

2024 GMC Sierra AT4

4WD - 6 Cyl, 3.0L

Ephraim, UT

Jorgensen Automotive

Contact seller

8,451 miles

2024 GMC Sierra Missoula MT

2024 GMC Sierra AT4

4WD - V8, 6.2L

Missoula, MT

DeMarois Buick-GMC-Mercedes

23,987 miles

2022 GMC Sierra Truth or Consequences NM

2022 GMC Sierra AT4

4WD - 6 Cyl, 3.0L

Truth or Consequences, NM

Whitehead Auto Center

Contact seller

26,193 miles

2023 GMC Sierra Devils Lake ND

2023 GMC Sierra AT4X

4WD - V8, 6.2L

Volcanic Red Tintcoat

Devils Lake, ND

Lake Chevrolet GMC

42,098 miles

2022 GMC Sierra Wenatchee WA

2022 GMC Sierra AT4X

4WD - V8, 6.2L

Dynamic Blue Metallic

Wenatchee, WA

Don Sangster Motors, Inc.

19,503 miles

2023 GMC Sierra Cheyenne WY

2023 GMC Sierra AT4X

4WD - V8, 6.2L

Titanium Rush Metallic

Cheyenne, WY

Halladay Motors

59,253 miles

2025 GMC Sierra Denver CO

2025 GMC Sierra AT4X

4WD - V8, 6.2L

Thunderstorm Gray

Contact seller

14,117 miles

2022 GMC Sierra Albuquerque NM

2022 GMC Sierra Denali

4WD - V8, 6.2L

White Frost Tricoat

Albuquerque, NM

Contact seller

28,329 miles

2023 GMC Sierra Rexburg ID

2023 GMC Sierra Denali

4WD - V8, 6.2L

Rexburg, ID

Taylor Chevrolet Cadillac

Contact seller

20,920 miles

2023 GMC Sierra Missoula MT

2023 GMC Sierra Denali

4WD - V8, 6.2L

Missoula, MT

DeMarois Buick-GMC-Mercedes

33,187 miles

2024 GMC Sierra Twin Falls ID

2024 GMC Sierra Denali

4WD - V8, 6.2L

Twin Falls, ID

Contact seller

49,499 miles

2023 GMC Sierra Tucson AZ

2023 GMC Sierra Denali

4WD - V8, 6.2L

White Frost Tricoat

Quebedeaux Buick GMC

12,751 miles

2013 GMC Sierra Malvern OH

2013 GMC Sierra Work Truck

RWD - V8, 6.0L; FFV (opti…

Malvern, OH

Daystar Chrysler Dodge Jeep Ram

200,009 miles

2011 GMC Sierra Malvern OH

2011 GMC Sierra Work Truck

RWD - V8, 6.0L; FFV (opti…

Malvern, OH

Daystar Chrysler Dodge Jeep Ram

171,038 miles

2012 GMC Sierra Lakewood WA

2012 GMC Sierra SLE

4WD - V8, 6.0L

Quicksilver Metallic

Lakewood, WA

Contact seller

93,908 miles

2015 GMC Sierra Hermiston OR

2015 GMC Sierra Denali

4WD - V8, 6.6L

Hermiston, OR

Sherrell Chevrolet Inc

124,337 miles

2015 GMC Sierra Columbia SC

2015 GMC Sierra Denali

4WD - V8, 6.6L

Iridium Metallic

Columbia, SC

Contact seller

164,772 miles

2019 GMC Sierra Pulaski TN

2019 GMC Sierra Denali

4WD - V8, 6.0L

Quicksilver Metallic

Pulaski, TN

Murrey Chevrolet Inc

71,605 miles

2016 GMC Sierra Malvern OH

2016 GMC Sierra SLT

4WD - V8, 6.0L; FFV (opti…

Malvern, OH

Daystar Chrysler Dodge Jeep Ram

82,560 miles

2017 GMC Sierra Bozeman MT

2017 GMC Sierra SLT

4WD - V8, 6.6L

Bozeman, MT

Billion Auto Group

119,552 miles

Vehicles 2,328 - 3,524

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Used GMC Sierra