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  • C/K 1500
  • Sonoma
  • Great Deal
  • Well-Equipped
  • Heated Seats
  • 4WD
  • Black
  • Flexible-Fuel
  • White
  • Keyless Entry
  • AWD
  • Satellite Radio
  • Navigation System
  • Good Deal
  • Gasoline
  • One Owner
  • 8 Cyl
  • Handsfree/Bluetooth Integration
  • Low Mileage
  • Remote Start
  • MP3
  • 2014
  • CD (Single Disc)
  • 2015
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  • 2017
  • Lower Than Average Mileage
  • Automatic
  • 6 Cyl
  • Rear-View Camera
  • 2016
  • Fair Price
  • Red
  • Going Fast
  • 4 Cyl
  • 2013
  • 2008
  • 2012
  • 2007
  • 2011
  • Seat Memory
  • Low Fuel Costs
  • Diesel
  • 2010
  • 2009
  • Popular Model
  • 2004
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  • Blue
  • 2006
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  • 2002
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  • 1996
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  • 1995
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Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

Min 14 Max 50

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1,599 Results for

Used GMC Cars & Trucks For Sale in Longmont, CO

Search Results

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

Automatic / RWD / 6 Cyl
18 mpg city / 23 mpg hwy

$26,998

2014 GMC Sierra 1500 SLE

34,480 miles Loveland, CO

Photo 1: Mocha Steel Metallic 2013 GMC Sierra 1500 SLE in Frederick, CO exterior view from front driver's side
Photo 2: Mocha Steel Metallic 2013 GMC Sierra 1500 SLE in Frederick, CO
Photo 3: cockpit view from driver’s seat 2013 GMC Sierra 1500 SLE in Frederick, CO
Photo 4: interior dashboard and console 2013 GMC Sierra 1500 SLE in Frederick, CO
Photo 5: Mocha Steel Metallic 2013 GMC Sierra 1500 SLE in Frederick, CO exterior view of driver's side

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

  • Dealer Page
$25,299

2013 GMC Sierra 1500 SLE

40,899 miles Frederick, CO

Photo 1:  2015 GMC Sierra 2500HD Denali in Loveland, CO exterior view from front driver's side
Photo 2:  2015 GMC Sierra 2500HD Denali in Loveland, CO
Photo 3:  2015 GMC Sierra 2500HD Denali in Loveland, CO front view of grill, headlights, hood and windshield
Photo 4:  2015 GMC Sierra 2500HD Denali in Loveland, CO exterior view of passenger side
Photo 5:  2015 GMC Sierra 2500HD Denali in Loveland, CO exterior view from rear driver's side

Automatic / 4WD / 8 Cyl

$46,998

2015 GMC Sierra 2500HD Denali

35,251 miles Loveland, CO

Photo 1:  2015 GMC Sierra 1500 Denali in Loveland, CO exterior view from front driver's side
Photo 2:  2015 GMC Sierra 1500 Denali in Loveland, CO
Photo 3:  2015 GMC Sierra 1500 Denali in Loveland, CO front view of grill, headlights, hood and windshield
Photo 4:  2015 GMC Sierra 1500 Denali in Loveland, CO exterior view of passenger side
Photo 5:  2015 GMC Sierra 1500 Denali in Loveland, CO exterior view from rear driver's side

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

$41,998

2015 GMC Sierra 1500 Denali

27,608 miles Loveland, CO

Photo 1:  2016 GMC Yukon SLT in Highlands Ranch, CO exterior view from front driver's side
Photo 2:  2016 GMC Yukon SLT in Highlands Ranch, CO
Photo 3: interior dashboard and console 2016 GMC Yukon SLT in Highlands Ranch, CO
Photo 4:  2016 GMC Yukon SLT in Highlands Ranch, CO exterior view from rear driver's side
Photo 5:  2016 GMC Yukon SLT in Highlands Ranch, CO exterior view from rear passenger side

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

  • Dealer Page
$44,148

2016 GMC Yukon SLT

30,835 miles Highlands Ranch, CO

Photo 1:  2011 GMC Sierra 1500 SLE in Northglenn, CO exterior view from front driver's side
Photo 2:  2011 GMC Sierra 1500 SLE in Northglenn, CO
Photo 3:  2011 GMC Sierra 1500 SLE in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2011 GMC Sierra 1500 SLE in Northglenn, CO exterior view of passenger side
Photo 5:  2011 GMC Sierra 1500 SLE in Northglenn, CO exterior view from rear driver's side

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

  • Dealer Page
$20,998

2011 GMC Sierra 1500 SLE

120,470 miles Northglenn, CO

Photo 1:  2013 GMC Yukon Denali in Northglenn, CO exterior view from front driver's side
Photo 2:  2013 GMC Yukon Denali in Northglenn, CO
Photo 3:  2013 GMC Yukon Denali in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2013 GMC Yukon Denali in Northglenn, CO exterior view of passenger side
Photo 5:  2013 GMC Yukon Denali in Northglenn, CO exterior view from rear driver's side

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

  • Dealer Page
$36,998

2013 GMC Yukon Denali

40,479 miles Northglenn, CO

Photo 1:  2016 GMC Yukon XL SLT in Highlands Ranch, CO exterior view from front driver's side
Photo 2:  2016 GMC Yukon XL SLT in Highlands Ranch, CO
Photo 3:  2016 GMC Yukon XL SLT in Highlands Ranch, CO exterior view from rear driver's side
Photo 4: 2016 GMC Yukon XL SLT with  in Highlands Ranch, CO
Photo 5: 2016 GMC Yukon XL SLT with  in Highlands Ranch, CO

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

  • Dealer Page
$45,999

2016 GMC Yukon XL SLT

36,866 miles Highlands Ranch, CO

Photo 1:  2011 GMC Acadia SLT SLT-1 in Northglenn, CO exterior view from front driver's side
Photo 2:  2011 GMC Acadia SLT SLT-1 in Northglenn, CO
Photo 3:  2011 GMC Acadia SLT SLT-1 in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2011 GMC Acadia SLT SLT-1 in Northglenn, CO exterior view of passenger side
Photo 5:  2011 GMC Acadia SLT SLT-1 in Northglenn, CO exterior view from rear driver's side

Automatic / FWD / 6 Cyl
17 mpg city / 24 mpg hwy

  • Dealer Page
$15,998

2011 GMC Acadia SLT SLT-1

110,031 miles Northglenn, CO

Photo 1:  2015 GMC Sierra 2500HD Denali in Loveland, CO exterior view from front driver's side
Photo 2:  2015 GMC Sierra 2500HD Denali in Loveland, CO
Photo 3:  2015 GMC Sierra 2500HD Denali in Loveland, CO front view of grill, headlights, hood and windshield
Photo 4:  2015 GMC Sierra 2500HD Denali in Loveland, CO exterior view of passenger side
Photo 5:  2015 GMC Sierra 2500HD Denali in Loveland, CO exterior view from rear driver's side

Automatic / 4WD / 8 Cyl

  • Dealer Page
$54,998

2015 GMC Sierra 2500HD Denali

25,342 miles Loveland, CO

Photo 1:  2008 GMC Sierra 1500 SLE in Northglenn, CO exterior view from front driver's side
Photo 2:  2008 GMC Sierra 1500 SLE in Northglenn, CO
Photo 3:  2008 GMC Sierra 1500 SLE in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2008 GMC Sierra 1500 SLE in Northglenn, CO exterior view of passenger side
Photo 5:  2008 GMC Sierra 1500 SLE in Northglenn, CO exterior view from rear driver's side

Automatic / RWD / 8 Cyl
15 mpg city / 20 mpg hwy

  • Dealer Page
$20,998

2008 GMC Sierra 1500 SLE

80,196 miles Northglenn, CO

Photo 1:  2014 GMC Acadia Denali in Northglenn, CO exterior view from front driver's side
Photo 2:  2014 GMC Acadia Denali in Northglenn, CO
Photo 3:  2014 GMC Acadia Denali in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2014 GMC Acadia Denali in Northglenn, CO exterior view of passenger side
Photo 5:  2014 GMC Acadia Denali in Northglenn, CO exterior view from rear driver's side

Automatic / FWD / 6 Cyl
17 mpg city / 24 mpg hwy

  • Dealer Page
$28,998

2014 GMC Acadia Denali

48,556 miles Northglenn, CO

Photo 1: 2016 GMC Yukon XL Denali with  in Loveland, CO
Photo 2: 2016 GMC Yukon XL Denali with  in Loveland, CO
Photo 3: 2016 GMC Yukon XL Denali with  in Loveland, CO
Photo 4: 2016 GMC Yukon XL Denali with  in Loveland, CO
Photo 5: 2016 GMC Yukon XL Denali with  in Loveland, CO

Automatic / AWD / 8 Cyl
14 mpg city / 20 mpg hwy

  • Dealer Page
$59,998

2016 GMC Yukon XL Denali

17,254 miles Loveland, CO

Photo 1: 2013 GMC Sierra 1500 SLE with  in Northglenn, CO
Photo 2: 2013 GMC Sierra 1500 SLE with  in Northglenn, CO
Photo 3: 2013 GMC Sierra 1500 SLE with  in Northglenn, CO
Photo 4: 2013 GMC Sierra 1500 SLE with  in Northglenn, CO
Photo 5: 2013 GMC Sierra 1500 SLE with  in Northglenn, CO

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

  • Dealer Page
$26,998

2013 GMC Sierra 1500 SLE

41,887 miles Northglenn, CO

Photo 1: 2012 GMC Acadia Denali with  in Northglenn, CO
Photo 2: 2012 GMC Acadia Denali with  in Northglenn, CO
Photo 3: 2012 GMC Acadia Denali with  in Northglenn, CO
Photo 4: 2012 GMC Acadia Denali with  in Northglenn, CO
Photo 5: 2012 GMC Acadia Denali with  in Northglenn, CO

Automatic / AWD / 6 Cyl
16 mpg city / 23 mpg hwy

  • Dealer Page
$23,998

2012 GMC Acadia Denali

70,571 miles Northglenn, CO

Photo 1:  2014 GMC Acadia Denali in Northglenn, CO exterior view from front driver's side
Photo 2:  2014 GMC Acadia Denali in Northglenn, CO
Photo 3:  2014 GMC Acadia Denali in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2014 GMC Acadia Denali in Northglenn, CO exterior view of passenger side
Photo 5:  2014 GMC Acadia Denali in Northglenn, CO exterior view from rear driver's side

Automatic / AWD / 6 Cyl
16 mpg city / 23 mpg hwy

  • Dealer Page
$29,998

2014 GMC Acadia Denali

54,254 miles Northglenn, CO

Photo 1: 2014 GMC Acadia Denali with  in Loveland, CO
Photo 2: 2014 GMC Acadia Denali with  in Loveland, CO
Photo 3: 2014 GMC Acadia Denali with  in Loveland, CO
Photo 4: 2014 GMC Acadia Denali with  in Loveland, CO
Photo 5: 2014 GMC Acadia Denali with  in Loveland, CO

Automatic / AWD / 6 Cyl
16 mpg city / 23 mpg hwy

  • Dealer Page
$29,998

2014 GMC Acadia Denali

48,222 miles Loveland, CO

Photo 1:  2017 GMC Acadia Denali in Loveland, CO exterior view from front driver's side
Photo 2:  2017 GMC Acadia Denali in Loveland, CO
Photo 3:  2017 GMC Acadia Denali in Loveland, CO front view of grill, headlights, hood and windshield
Photo 4:  2017 GMC Acadia Denali in Loveland, CO exterior view of passenger side
Photo 5:  2017 GMC Acadia Denali in Loveland, CO exterior view from rear driver's side

Automatic / AWD / 6 Cyl
18 mpg city / 25 mpg hwy

  • Dealer Page
$43,998

2017 GMC Acadia Denali

4,151 miles Loveland, CO

Photo 1:  2015 GMC Terrain SLT SLT-1 in Northglenn, CO exterior view from front driver's side
Photo 2:  2015 GMC Terrain SLT SLT-1 in Northglenn, CO
Photo 3:  2015 GMC Terrain SLT SLT-1 in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2015 GMC Terrain SLT SLT-1 in Northglenn, CO exterior view of passenger side
Photo 5:  2015 GMC Terrain SLT SLT-1 in Northglenn, CO exterior view from rear driver's side

Automatic / FWD / 4 Cyl
22 mpg city / 31 mpg hwy

  • Dealer Page
$20,998

2015 GMC Terrain SLT SLT-1

35,790 miles Northglenn, CO

Photo 1:  2014 GMC Sierra 1500 in Northglenn, CO exterior view from front driver's side
Photo 2:  2014 GMC Sierra 1500 in Northglenn, CO
Photo 3:  2014 GMC Sierra 1500 in Northglenn, CO front view of grill, headlights, hood and windshield
Photo 4:  2014 GMC Sierra 1500 in Northglenn, CO exterior view of passenger side
Photo 5:  2014 GMC Sierra 1500 in Northglenn, CO exterior view from rear driver's side

Automatic / RWD / 6 Cyl
18 mpg city / 23 mpg hwy

  • Dealer Page
$24,998

2014 GMC Sierra 1500

41,284 miles Northglenn, CO

Photo 1:  2014 GMC Acadia SLT SLT-2 in Loveland, CO exterior view from front driver's side
Photo 2:  2014 GMC Acadia SLT SLT-2 in Loveland, CO
Photo 3:  2014 GMC Acadia SLT SLT-2 in Loveland, CO front view of grill, headlights, hood and windshield
Photo 4:  2014 GMC Acadia SLT SLT-2 in Loveland, CO exterior view of driver's side
Photo 5:  2014 GMC Acadia SLT SLT-2 in Loveland, CO exterior view of passenger side

Automatic / AWD / 6 Cyl
16 mpg city / 23 mpg hwy

  • Dealer Page
$23,998

2014 GMC Acadia SLT SLT-2

73,500 miles Loveland, CO

Photo 1:  2014 GMC Sierra 1500 SLE in Loveland, CO exterior view from front driver's side
Photo 2:  2014 GMC Sierra 1500 SLE in Loveland, CO
Photo 3:  2014 GMC Sierra 1500 SLE in Loveland, CO front view of grill, headlights, hood and windshield
Photo 4:  2014 GMC Sierra 1500 SLE in Loveland, CO exterior view of passenger side
Photo 5:  2014 GMC Sierra 1500 SLE in Loveland, CO exterior view from rear driver's side

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

  • Dealer Page
$30,998

2014 GMC Sierra 1500 SLE

32,047 miles Loveland, CO

Photo 1:  2005 GMC Sierra 3500 in Fort Collins, CO exterior view from front driver's side
Photo 2:  2005 GMC Sierra 3500 in Fort Collins, CO
Photo 3: cockpit view from driver’s seat 2005 GMC Sierra 3500 in Fort Collins, CO
Photo 4: interior dashboard and console 2005 GMC Sierra 3500 in Fort Collins, CO
Photo 5: interior dashboard and console 2005 GMC Sierra 3500 in Fort Collins, CO

4WD / 8 Cyl

  • Dealer Page
  • Get Directions
$18,789

2005 GMC Sierra 3500

21,204 miles Fort Collins, CO

Photo 1:  2016 GMC Canyon SLT in Fort Collins, CO exterior view from front driver's side
Photo 2:  2016 GMC Canyon SLT in Fort Collins, CO
Photo 3: cockpit view from driver’s seat 2016 GMC Canyon SLT in Fort Collins, CO
Photo 4:  2016 GMC Canyon SLT in Fort Collins, CO front view of grill, headlights, hood and windshield
Photo 5:  2016 GMC Canyon SLT in Fort Collins, CO exterior view of passenger side

Automatic / 4WD / 4 Cyl
20 mpg city / 28 mpg hwy

  • Dealer Page
  • Get Directions
$37,994

2016 GMC Canyon SLT

10,329 miles Fort Collins, CO