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Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

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506 Results for

Used GMC Sierra 1500 For Sale in Longmont, CO

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Photo 1: 2015 GMC Sierra 1500 SLT with  in Brighton, CO
Photo 2: 2015 GMC Sierra 1500 SLT with  in Brighton, CO
Photo 3: 2015 GMC Sierra 1500 SLT with  in Brighton, CO
Photo 4: 2015 GMC Sierra 1500 SLT with  in Brighton, CO
Photo 5: 2015 GMC Sierra 1500 SLT with  in Brighton, CO

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$41,486

2015 GMC Sierra 1500 SLT

27,965 miles Brighton, CO

Photo 1: 2016 GMC Sierra 1500 Denali with  in Brighton, CO
Photo 2: 2016 GMC Sierra 1500 Denali with  in Brighton, CO
Photo 3: 2016 GMC Sierra 1500 Denali with  in Brighton, CO
Photo 4: 2016 GMC Sierra 1500 Denali with  in Brighton, CO
Photo 5: 2016 GMC Sierra 1500 Denali with  in Brighton, CO

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$44,987

2016 GMC Sierra 1500 Denali

16,791 miles Brighton, CO

Photo 1: Iridium Metallic 2014 GMC Sierra 1500 Denali in Brighton, CO exterior view from front driver's side
Photo 2: Iridium Metallic 2014 GMC Sierra 1500 Denali in Brighton, CO
Photo 3: interior dashboard and console 2014 GMC Sierra 1500 Denali in Brighton, CO
Photo 4: cockpit view from driver’s seat 2014 GMC Sierra 1500 Denali in Brighton, CO
Photo 5: 2014 GMC Sierra 1500 Denali with  in Brighton, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Call Dealer
  • Get Directions
$39,986

2014 GMC Sierra 1500 Denali

35,753 miles Brighton, CO

Photo 1:  2014 GMC Sierra 1500 SLE in Brighton, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2014 GMC Sierra 1500 SLE in Brighton, CO
Photo 3: cockpit view from driver’s seat 2014 GMC Sierra 1500 SLE in Brighton, CO
Photo 4:  2014 GMC Sierra 1500 SLE in Brighton, CO front view of grill, headlights, hood and windshield
Photo 5: 2014 GMC Sierra 1500 SLE with  in Brighton, CO

Automatic / 4WD / 6 Cyl
17 mpg city / 22 mpg hwy

  • Call Dealer
  • Get Directions
$31,486

2014 GMC Sierra 1500 SLE

40,206 miles Brighton, CO

Photo 1: Summit White 2012 GMC Sierra 1500 Denali in Brighton, CO exterior view from front driver's side
Photo 2: Summit White 2012 GMC Sierra 1500 Denali in Brighton, CO
Photo 3: interior dashboard and console 2012 GMC Sierra 1500 Denali in Brighton, CO
Photo 4: cockpit view from driver’s seat 2012 GMC Sierra 1500 Denali in Brighton, CO
Photo 5: 2012 GMC Sierra 1500 Denali with  in Brighton, CO

Automatic / AWD / 8 Cyl
12 mpg city / 18 mpg hwy

  • Call Dealer
  • Get Directions
$28,486

2012 GMC Sierra 1500 Denali

84,804 miles Brighton, CO

Photo 1: Onyx Black 2015 GMC Sierra 1500 SLE in Brighton, CO exterior view from front driver's side
Photo 2: Onyx Black 2015 GMC Sierra 1500 SLE in Brighton, CO
Photo 3: interior dashboard and console 2015 GMC Sierra 1500 SLE in Brighton, CO
Photo 4: cockpit view from driver’s seat 2015 GMC Sierra 1500 SLE in Brighton, CO
Photo 5: 2015 GMC Sierra 1500 SLE with  in Brighton, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Call Dealer
  • Get Directions
$33,486

2015 GMC Sierra 1500 SLE

42,921 miles Brighton, CO

Automatic / AWD / 8 Cyl
12 mpg city / 19 mpg hwy

  • Call Dealer
  • Get Directions
$24,486

2009 GMC Sierra 1500 Denali

126,322 miles Brighton, CO

Photo 1: Onyx Black 2011 GMC Sierra 1500 SLE in Longmont, CO exterior view from front driver's side
Photo 2: Onyx Black 2011 GMC Sierra 1500 SLE in Longmont, CO
Photo 3: Onyx Black 2011 GMC Sierra 1500 SLE in Longmont, CO exterior view of passenger side
Photo 4: Onyx Black 2011 GMC Sierra 1500 SLE in Longmont, CO exterior view from rear driver's side
Photo 5: Onyx Black 2011 GMC Sierra 1500 SLE in Longmont, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$23,299

2011 GMC Sierra 1500 SLE

95,615 miles Longmont, CO

Photo 1: 2010 GMC Sierra 1500 SLE with  in Golden, CO
Photo 2: 2010 GMC Sierra 1500 SLE with  in Golden, CO
Photo 3: 2010 GMC Sierra 1500 SLE with  in Golden, CO
Photo 4: 2010 GMC Sierra 1500 SLE with  in Golden, CO
Photo 5: 2010 GMC Sierra 1500 SLE in Golden, CO

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$17,999

2010 GMC Sierra 1500 SLE

116,121 miles Golden, CO

Photo 1: 2014 GMC Sierra 1500 SLT with  in Centennial, CO
Photo 2: 2014 GMC Sierra 1500 SLT with  in Centennial, CO
Photo 3: 2014 GMC Sierra 1500 SLT with  in Centennial, CO
Photo 4: 2014 GMC Sierra 1500 SLT in Centennial, CO
Photo 5: 2014 GMC Sierra 1500 SLT in Centennial, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Call Dealer
  • Get Directions
$35,597

2014 GMC Sierra 1500 SLT

38,062 miles Centennial, CO

Photo 1: 2013 GMC Sierra 1500 SLT with  in Littleton, CO
Photo 2: 2013 GMC Sierra 1500 SLT in Littleton, CO
Photo 3: 2013 GMC Sierra 1500 SLT in Littleton, CO
Photo 4: 2013 GMC Sierra 1500 SLT in Littleton, CO
Photo 5: 2013 GMC Sierra 1500 SLT in Littleton, CO

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$30,998

2013 GMC Sierra 1500 SLT

32,731 miles Littleton, CO

Photo 1: Stone Blue Metallic 2016 GMC Sierra 1500 Base in Longmont, CO exterior view from front driver's side
Photo 2: 2016 GMC Sierra 1500 Base with  in Longmont, CO
Photo 3: Stone Blue Metallic 2016 GMC Sierra 1500 Base in Longmont, CO exterior view from rear driver's side
Photo 4: Stone Blue Metallic 2016 GMC Sierra 1500 Base in Longmont, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$32,724

2016 GMC Sierra 1500 Base

20,271 miles Longmont, CO

Photo 1:  2013 GMC Sierra 1500 SLE in Boulder, CO
Photo 2: interior dashboard and console 2013 GMC Sierra 1500 SLE in Boulder, CO
Photo 3: cockpit view from driver’s seat 2013 GMC Sierra 1500 SLE in Boulder, CO
Photo 4: 2013 GMC Sierra 1500 SLE with  in Boulder, CO
Photo 5:  2013 GMC Sierra 1500 SLE in Boulder, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$25,072

2013 GMC Sierra 1500 SLE

89,649 miles Boulder, CO

Photo 1: Onyx Black 2012 GMC Sierra 1500 SLE in Longmont, CO exterior view from front driver's side
Photo 2: Onyx Black 2012 GMC Sierra 1500 SLE in Longmont, CO
Photo 3: interior dashboard and console 2012 GMC Sierra 1500 SLE in Longmont, CO
Photo 4: 2012 GMC Sierra 1500 SLE with  in Longmont, CO
Photo 5: Onyx Black 2012 GMC Sierra 1500 SLE in Longmont, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$24,281

2012 GMC Sierra 1500 SLE

90,638 miles Longmont, CO

Photo 1: 2007 GMC Sierra 1500 Base with  in Greeley, CO
Photo 2: 2007 GMC Sierra 1500 Base with  in Greeley, CO
Photo 3: 2007 GMC Sierra 1500 Base with  in Greeley, CO
Photo 4: 2007 GMC Sierra 1500 Base with  in Greeley, CO
Photo 5: 2007 GMC Sierra 1500 Base with  in Greeley, CO

Automatic / 4WD / 8 Cyl
14 mpg city / 18 mpg hwy

  • Call Dealer
  • Get Directions
Not Priced

2007 GMC Sierra 1500 Base

115,718 miles Greeley, CO

Photo 1:  2013 GMC Sierra 1500 SLT in Greeley, CO exterior view from front driver's side
Photo 2:  2013 GMC Sierra 1500 SLT in Greeley, CO
Photo 3: cockpit view from driver’s seat 2013 GMC Sierra 1500 SLT in Greeley, CO
Photo 4: 2013 GMC Sierra 1500 SLT with  in Greeley, CO
Photo 5:  2013 GMC Sierra 1500 SLT in Greeley, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl
12 mpg city / 18 mpg hwy

  • Get Directions
$25,700

2013 GMC Sierra 1500 SLT

95,126 miles Greeley, CO

Photo 1:  2016 GMC Sierra 1500 Denali in Littleton, CO exterior view from front driver's side
Photo 2:  2016 GMC Sierra 1500 Denali in Littleton, CO
Photo 3: interior dashboard and console 2016 GMC Sierra 1500 Denali in Littleton, CO
Photo 4: 2016 GMC Sierra 1500 Denali with  in Littleton, CO
Photo 5:  2016 GMC Sierra 1500 Denali in Littleton, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Get Directions
$46,996

2016 GMC Sierra 1500 Denali

37,256 miles Littleton, CO

Photo 1:  2015 GMC Sierra 1500 SLE in Highlands Ranch, CO exterior view from front driver's side
Photo 2:  2015 GMC Sierra 1500 SLE in Highlands Ranch, CO
Photo 3: interior dashboard and console 2015 GMC Sierra 1500 SLE in Highlands Ranch, CO
Photo 4: cockpit view from driver’s seat 2015 GMC Sierra 1500 SLE in Highlands Ranch, CO
Photo 5: 2015 GMC Sierra 1500 SLE with  in Highlands Ranch, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Get Directions
$33,984

2015 GMC Sierra 1500 SLE

12,026 miles Highlands Ranch, CO

Photo 1: Summit White 2016 GMC Sierra 1500 SLT in Aurora, CO exterior view from front driver's side
Photo 2: Summit White 2016 GMC Sierra 1500 SLT in Aurora, CO
Photo 3: 2016 GMC Sierra 1500 SLT with  in Aurora, CO
Photo 4: Summit White 2016 GMC Sierra 1500 SLT in Aurora, CO front view of grill, headlights, hood and windshield
Photo 5: 2016 GMC Sierra 1500 SLT with  in Aurora, CO

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Get Directions
$37,900

2016 GMC Sierra 1500 SLT

29,639 miles Aurora, CO

Photo 1: interior dashboard and console 2014 GMC Sierra 1500 SLT in Highlands Ranch, CO
Photo 2:  2014 GMC Sierra 1500 SLT in Highlands Ranch, CO exterior view of driver's side
Photo 3:  2014 GMC Sierra 1500 SLT in Highlands Ranch, CO exterior view from rear driver's side
Photo 4: 2014 GMC Sierra 1500 SLT with  in Highlands Ranch, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Get Directions
$36,412

2014 GMC Sierra 1500 SLT

38,356 miles Highlands Ranch, CO

Photo 1: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 2: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 3: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 4: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 5: 2015 GMC Sierra 1500 SLT with  in Denver, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Get Directions
$28,287

2015 GMC Sierra 1500 SLT

120,243 miles Denver, CO

Photo 1: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 2: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 3: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 4: 2015 GMC Sierra 1500 SLT with  in Denver, CO
Photo 5: 2015 GMC Sierra 1500 SLT with  in Denver, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Get Directions
$37,499

2015 GMC Sierra 1500 SLT

43,220 miles Denver, CO

Photo 1: 2014 GMC Sierra 1500 SLE with  in Denver, CO
Photo 2: 2014 GMC Sierra 1500 SLE with  in Denver, CO
Photo 3: 2014 GMC Sierra 1500 SLE with  in Denver, CO
Photo 4: 2014 GMC Sierra 1500 SLE with  in Denver, CO
Photo 5: 2014 GMC Sierra 1500 SLE with  in Denver, CO

Automatic / 4WD / 8 Cyl
16 mpg city / 22 mpg hwy

  • Get Directions
$24,287

2014 GMC Sierra 1500 SLE

106,541 miles Denver, CO

Photo 1: 2010 GMC Sierra 1500 SLE with  in Englewood, CO
Photo 2: 2010 GMC Sierra 1500 SLE with  in Englewood, CO
Photo 3: 2010 GMC Sierra 1500 SLE with  in Englewood, CO
Photo 4: 2010 GMC Sierra 1500 SLE with  in Englewood, CO
Photo 5: 2010 GMC Sierra 1500 SLE in Englewood, CO

Automatic / 4WD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Get Directions
$23,988

2010 GMC Sierra 1500 SLE

130,321 miles Englewood, CO