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  • 8 Cyl
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  • 2014
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  • 2015
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  • 2011
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Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

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261 Results for

Used GMC Sierra 1500 For Sale in Fort Collins, CO

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

  • Call Dealer
  • Get Directions
Not Priced

2015 GMC Sierra 1500 SLT

27,000 miles Brighton, CO

Photo 1: Onyx Black 2016 GMC Sierra 1500 SLT in Fort Collins, CO exterior view from front driver's side
Photo 2: Onyx Black 2016 GMC Sierra 1500 SLT in Fort Collins, CO exterior view of driver's side
Photo 3: Onyx Black 2016 GMC Sierra 1500 SLT in Fort Collins, CO exterior view of passenger side
Photo 4: Onyx Black 2016 GMC Sierra 1500 SLT in Fort Collins, CO exterior view from rear driver's side
Photo 5: Onyx Black 2016 GMC Sierra 1500 SLT in Fort Collins, CO exterior view from rear passenger side

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

  • Call Dealer
  • Get Directions
$43,880

2016 GMC Sierra 1500 SLT

13,008 miles Fort Collins, CO

Photo 1:  2014 GMC Sierra 1500 SLE in Fort Collins, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2014 GMC Sierra 1500 SLE in Fort Collins, CO
Photo 3:  2014 GMC Sierra 1500 SLE in Fort Collins, CO exterior view of driver's side
Photo 4:  2014 GMC Sierra 1500 SLE in Fort Collins, CO exterior view from rear driver's side
Photo 5:  2014 GMC Sierra 1500 SLE in Fort Collins, CO exterior view from rear passenger side

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

  • Call Dealer
  • Get Directions
$29,980

2014 GMC Sierra 1500 SLE

57,676 miles Fort Collins, 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
$25,372

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:  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
$25,900

2013 GMC Sierra 1500 SLT

95,126 miles Greeley, CO

Photo 1:  2015 GMC Sierra 1500 Denali in Cheyenne, WY exterior view from front driver's side
Photo 2:  2015 GMC Sierra 1500 Denali in Cheyenne, WY
Photo 3: cockpit view from driver’s seat 2015 GMC Sierra 1500 Denali in Cheyenne, WY
Photo 4: 2015 GMC Sierra 1500 Denali with  in Cheyenne, WY
Photo 5:  2015 GMC Sierra 1500 Denali in Cheyenne, WY front view of grill, headlights, hood and windshield

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

  • Get Directions
$40,950

2015 GMC Sierra 1500 Denali

23,022 miles Cheyenne, WY

Photo 1: Onyx Black 2015 GMC Sierra 1500 SLT in Longmont, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2015 GMC Sierra 1500 SLT in Longmont, CO
Photo 3: 2015 GMC Sierra 1500 SLT with  in Longmont, CO
Photo 4: Onyx Black 2015 GMC Sierra 1500 SLT in Longmont, CO front view of grill, headlights, hood and windshield
Photo 5: 2015 GMC Sierra 1500 SLT with  in Longmont, CO

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

  • Get Directions
$38,970

2015 GMC Sierra 1500 SLT

22,648 miles Longmont, CO

Photo 1:  2005 GMC Sierra 1500 SLT in Brighton, CO exterior view from front driver's side
Photo 2:  2005 GMC Sierra 1500 SLT in Brighton, CO
Photo 3: interior dashboard and console 2005 GMC Sierra 1500 SLT in Brighton, CO
Photo 4: cockpit view from driver’s seat 2005 GMC Sierra 1500 SLT in Brighton, CO
Photo 5:  2005 GMC Sierra 1500 SLT in Brighton, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl
13 mpg city / 17 mpg hwy

  • Get Directions
$15,495

2005 GMC Sierra 1500 SLT

105,437 miles Brighton, CO

Photo 1:  2013 GMC Sierra 1500 Denali in Longmont, CO exterior view from front driver's side
Photo 2:  2013 GMC Sierra 1500 Denali in Longmont, CO
Photo 3: interior dashboard and console 2013 GMC Sierra 1500 Denali in Longmont, CO
Photo 4: cockpit view from driver’s seat 2013 GMC Sierra 1500 Denali in Longmont, CO
Photo 5: 2013 GMC Sierra 1500 Denali with  in Longmont, CO

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

  • Get Directions
$27,999

2013 GMC Sierra 1500 Denali

88,644 miles Longmont, CO

Photo 1: 2012 GMC Sierra 1500 SLT with  in Brighton, CO

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

  • Get Directions
$22,950

2012 GMC Sierra 1500 SLT

126,032 miles Brighton, CO

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

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

  • Get Directions
$28,900

2013 GMC Sierra 1500 SLT

56,051 miles Fort Collins, CO

Photo 1: 2012 GMC Sierra 1500 SLT with  in Fort Collins, CO
Photo 2: 2012 GMC Sierra 1500 SLT with  in Fort Collins, CO
Photo 3: 2012 GMC Sierra 1500 SLT with  in Fort Collins, CO
Photo 4: 2012 GMC Sierra 1500 SLT in Fort Collins, CO
Photo 5: 2012 GMC Sierra 1500 SLT in Fort Collins, CO

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

  • Get Directions
$25,900

2012 GMC Sierra 1500 SLT

74,252 miles Fort Collins, CO

Photo 1: 2016 GMC Sierra 1500 SLE with  in Longmont, CO

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

  • Get Directions
$32,850

2016 GMC Sierra 1500 SLE

3,728 miles Longmont, CO

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

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

  • Get Directions
$36,885

2014 GMC Sierra 1500 SLT

26,901 miles Longmont, CO

Photo 1:  2011 GMC Sierra 1500 SLT in Greeley, CO exterior view from front driver's side
Photo 2:  2011 GMC Sierra 1500 SLT in Greeley, CO
Photo 3: interior dashboard and console 2011 GMC Sierra 1500 SLT in Greeley, CO
Photo 4: 2011 GMC Sierra 1500 SLT with  in Greeley, CO
Photo 5:  2011 GMC Sierra 1500 SLT in Greeley, CO front view of grill, headlights, hood and windshield

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

  • Get Directions
$23,851

2011 GMC Sierra 1500 SLT

87,178 miles Greeley, CO

Photo 1: Iridium Metallic 2016 GMC Sierra 1500 SLT in Loveland, CO

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

  • Get Directions
$42,791

2016 GMC Sierra 1500 SLT

26,562 miles Loveland, CO

Photo 1: White Diamond Tri-Coat 2014 GMC Sierra 1500 SLT in Longmont, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2014 GMC Sierra 1500 SLT in Longmont, CO
Photo 3: 2014 GMC Sierra 1500 SLT with  in Longmont, CO
Photo 4: White Diamond Tri-Coat 2014 GMC Sierra 1500 SLT in Longmont, CO front view of grill, headlights, hood and windshield
Photo 5: 2014 GMC Sierra 1500 SLT with  in Longmont, CO

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

  • Get Directions
$27,850

2014 GMC Sierra 1500 SLT

90,077 miles Longmont, CO

Photo 1: Sonoma Red Metallic 2014 GMC Sierra 1500 Denali in Fort Collins, CO exterior view from front driver's side
Photo 2: Sonoma Red Metallic 2014 GMC Sierra 1500 Denali in Fort Collins, CO
Photo 3: cockpit view from driver’s seat 2014 GMC Sierra 1500 Denali in Fort Collins, CO
Photo 4: 2014 GMC Sierra 1500 Denali with  in Fort Collins, CO
Photo 5: Sonoma Red Metallic 2014 GMC Sierra 1500 Denali in Fort Collins, CO front view of grill, headlights, hood and windshield

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

  • Get Directions
$40,999

2014 GMC Sierra 1500 Denali

22,778 miles Fort Collins, CO

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

Automatic / 4WD / 8 Cyl
14 mpg city / 20 mpg hwy

  • Get Directions
$41,441

2014 GMC Sierra 1500 Denali

34,140 miles Loveland, CO