Used Gmc Sierra's for sale in under $70,990

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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 Chattanooga TN

2025 GMC Sierra Denali Ultimate

4WD - V8, 6.6L

White Frost Tricoat

Chattanooga, TN

City Auto Chattanooga

Contact seller

21,811 miles

2010 GMC Sierra Jacksonville FL

2010 GMC Sierra Work Truck

4WD - V8, 6.0L

Pure Silver Metallic

Jacksonville, FL

Nimnicht Chevrolet

2001 GMC Sierra Benton KY

2001 GMC Sierra SLE

4WD - V8, 5.3L

Pewter Metallic

Country Chevrolet GMC

169,693 miles

2005 GMC Sierra Idaho Falls ID

2005 GMC Sierra Work Truck SLE SLT

4WD - V8, 6.6L

Idaho Falls, ID

Timberline Auto

Contact seller

123,447 miles

2019 GMC Sierra Hermiston OR

2019 GMC Sierra AT4

4WD - V8, 6.2L

Hermiston, OR

Rogers GMC of Hermiston

62,971 miles

2020 GMC Sierra Benton KY

2020 GMC Sierra AT4

4WD - 6 Cyl, 3.0L

Carbon Black Metallic

Country Chevrolet GMC

122,856 miles

2019 GMC Sierra Post Falls ID

2019 GMC Sierra Denali

4WD - V8, 6.2L

Post Falls, ID

Group Wholesale

Contact seller

71,720 miles

2023 GMC Sierra Muskogee OK

2023 GMC Sierra SLT

4WD - V8, 6.2L

Muskogee, OK

All Star Honda of Muskogee

Contact seller

32,720 miles

2024 GMC Sierra Sand Springs OK

2024 GMC Sierra AT4

4WD - 6 Cyl, 3.0L

Sand Springs, OK

Keystone Chevrolet

18,997 miles

2024 GMC Sierra Abilene TX

2024 GMC Sierra AT4

4WD - V8, 6.2L

Abilene, TX

All Star Honda of Abilene

26,452 miles

2024 GMC Sierra Benton KY

2024 GMC Sierra AT4

4WD - V8, 6.2L

Country Chevrolet GMC

12,851 miles

2023 GMC Sierra Chattanooga TN

2023 GMC Sierra Denali

4WD - V8, 6.2L

Sterling Metallic

Chattanooga, TN

City Auto Chattanooga

Contact seller

37,016 miles

2023 GMC Sierra Hermiston OR

2023 GMC Sierra Denali Ultimate

4WD - 6 Cyl, 3.0L

Sterling Metallic

Hermiston, OR

Rogers GMC of Hermiston

18,619 miles

2016 GMC Sierra Johnstown PA

2016 GMC Sierra SLE

4WD - V8, 5.3L

Quicksilver Metallic

Johnstown, PA

Thomas Buick GMC

86,939 miles

2018 GMC Sierra Philadelphia PA

2018 GMC Sierra SLT

4WD - V8, 5.3L

Philadelphia, PA

153,475 miles

2008 GMC Sierra Idaho Falls ID

2008 GMC Sierra SLT

4WD - V8, 5.3L

Idaho Falls, ID

Timberline Auto

Contact seller

173,232 miles

2021 GMC Sierra Cathedral City CA

2021 GMC Sierra SLT

RWD - V8, 5.3L

Cathedral City, CA

Chavez Jessup Auto Group

35,751 miles

2021 GMC Sierra Madison MS

2021 GMC Sierra AT4

4WD - V8, 6.2L

Madison, MS

57,469 miles

2021 GMC Sierra Beckley WV

2021 GMC Sierra AT4

4WD - V8, 6.2L

Beckley, WV

Dutch Miller Buick GMC Beckley

40,550 miles

2016 GMC Sierra Selma AL

2016 GMC Sierra SLE

4WD - V8, 5.3L

Merchant Honda Ford

223,568 miles

2017 GMC Sierra Pasco WA

2017 GMC Sierra SLE

4WD - V8, 5.3L

Henning Automotive Holdings

167,244 miles

2017 GMC Sierra Idaho Falls ID

2017 GMC Sierra SLT

4WD - V8, 5.3L

Idaho Falls, ID

Timberline Auto

Contact seller

144,092 miles

2018 GMC Sierra American Fork UT

2018 GMC Sierra SLT

4WD - V8, 5.3L

American Fork, UT

Truck Ranch American Fork

92,429 miles

2015 GMC Sierra Idaho Falls ID

2015 GMC Sierra SLE

4WD - V8, 5.3L

Idaho Falls, ID

Timberline Auto

Contact seller

146,053 miles

Vehicles 816 - 2,488

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Used GMC Sierra