• Denali
  • SLT
  • SLE
  • Work Truck
  • SL
  • Base
  • 4WD
  • Well-Equipped
  • Automatic
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  • Heated Seats
  • CD (Single Disc)
  • Great Deal
  • Keyless Entry
  • White
  • MP3
  • Gasoline
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  • One Owner
  • 2015
  • Flexible-Fuel
  • Seat Memory
  • OnStar Communication System
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  • Gray
  • 2009
  • 2013
  • Silver
  • Satellite Radio
  • 2008
  • 2005
  • 2007
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  • 2016
  • 2011
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  • 2012
  • 2014
  • Blue
  • 2006
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  • Brown
  • Going Fast
  • Low Mileage
  • Rear-View Camera
  • 2004
  • 2003
  • Red
  • 2017
  • RWD
  • 2010
  • 2002

Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

Min 14 Max 50

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142 Results for

Used GMC Sierra 2500HD For Sale in Longmont, CO

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Photo 1:  2014 GMC Sierra 2500HD SLT in Boulder, CO exterior view from front driver's side
Photo 2:  2014 GMC Sierra 2500HD SLT in Boulder, CO
Photo 3:  2014 GMC Sierra 2500HD SLT in Boulder, CO exterior view of driver's side
Photo 4:  2014 GMC Sierra 2500HD SLT in Boulder, CO exterior view from rear passenger side
Photo 5:  2014 GMC Sierra 2500HD SLT in Boulder, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$45,572

2014 GMC Sierra 2500HD SLT

44,313 miles Boulder, CO

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$13,094

2003 GMC Sierra 2500HD Base

254,445 miles Longmont, CO

Photo 1: Beige/Tan 2008 GMC Sierra 2500HD SLE SLE-1 in Longmont, CO exterior view from front driver's side
Photo 2: Beige/Tan 2008 GMC Sierra 2500HD SLE SLE-1 in Longmont, CO
Photo 3: interior dashboard and console 2008 GMC Sierra 2500HD SLE SLE-1 in Longmont, CO
Photo 4: interior dashboard and console 2008 GMC Sierra 2500HD SLE SLE-1 in Longmont, CO
Photo 5: interior dashboard and console 2008 GMC Sierra 2500HD SLE SLE-1 in Longmont, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$27,999

2008 GMC Sierra 2500HD SLE SLE-1

138,176 miles Longmont, CO

Photo 1:  2010 GMC Sierra 2500HD SLE in Loveland, CO exterior view from front driver's side

Automatic / 4WD / 8 Cyl

  • Get Directions
$19,997

2010 GMC Sierra 2500HD SLE

191,688 miles Loveland, CO

Photo 1: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Windsor, CO exterior view from front driver's side
Photo 2: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Windsor, CO
Photo 3: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Windsor, CO exterior view of passenger side
Photo 4: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Windsor, CO exterior view from rear driver's side
Photo 5: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Windsor, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl

  • Get Directions
$33,500

2013 GMC Sierra 2500HD SLT

54,559 miles Windsor, CO

Photo 1:  2004 GMC Sierra 2500HD SLT in Lakewood, CO exterior view from front driver's side
Photo 2:  2004 GMC Sierra 2500HD SLT in Lakewood, CO
Photo 3:  2004 GMC Sierra 2500HD SLT in Lakewood, CO front view of grill, headlights, hood and windshield
Photo 4:  2004 GMC Sierra 2500HD SLT in Lakewood, CO exterior view of passenger side
Photo 5:  2004 GMC Sierra 2500HD SLT in Lakewood, CO exterior view from rear driver's side

Automatic / 4WD / 8 Cyl

  • Get Directions
$14,451

2004 GMC Sierra 2500HD SLT

149,000 miles Lakewood, CO

Photo 1: Quicksilver 2013 GMC Sierra 2500HD SLE in Parker, CO exterior view from front driver's side
Photo 2: Quicksilver 2013 GMC Sierra 2500HD SLE in Parker, CO
Photo 3: cockpit view from driver’s seat 2013 GMC Sierra 2500HD SLE in Parker, CO
Photo 4: Quicksilver 2013 GMC Sierra 2500HD SLE in Parker, CO front view of grill, headlights, hood and windshield
Photo 5: Quicksilver 2013 GMC Sierra 2500HD SLE in Parker, CO exterior view from rear driver's side

Automatic / 4WD / 8 Cyl

  • Get Directions
$30,999

2013 GMC Sierra 2500HD SLE

71,970 miles Parker, CO

Photo 1:  2011 GMC Sierra 2500HD SLT in Centennial, CO front view of grill, headlights, hood and windshield
Photo 2: 2011 GMC Sierra 2500HD SLT with  in Centennial, CO
Photo 3: 2011 GMC Sierra 2500HD SLT with  in Centennial, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$37,590

2011 GMC Sierra 2500HD SLT

112,339 miles Centennial, CO

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

Automatic / 4WD / 8 Cyl

  • Get Directions
$55,993

2015 GMC Sierra 2500HD Denali

20,615 miles Littleton, CO

Photo 1: 2012 GMC Sierra 2500HD SLT with  in Lakewood, CO
Photo 2: 2012 GMC Sierra 2500HD SLT with  in Lakewood, CO
Photo 3: 2012 GMC Sierra 2500HD SLT with  in Lakewood, CO
Photo 4: 2012 GMC Sierra 2500HD SLT with  in Lakewood, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$33,487

2012 GMC Sierra 2500HD SLT

132,976 miles Lakewood, CO

Photo 1:  2007 GMC Sierra 2500HD SL in Longmont, CO exterior view from front driver's side
Photo 2:  2007 GMC Sierra 2500HD SL in Longmont, CO
Photo 3: cockpit view from driver’s seat 2007 GMC Sierra 2500HD SL in Longmont, CO
Photo 4: interior dashboard and console 2007 GMC Sierra 2500HD SL in Longmont, CO
Photo 5: interior dashboard and console 2007 GMC Sierra 2500HD SL in Longmont, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$23,999

2007 GMC Sierra 2500HD SL

95,216 miles Longmont, CO

Photo 1: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Lakewood, CO exterior view from front driver's side
Photo 2: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Lakewood, CO
Photo 3: cockpit view from driver’s seat 2013 GMC Sierra 2500HD SLT in Lakewood, CO
Photo 4: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Lakewood, CO front view of grill, headlights, hood and windshield
Photo 5: Mocha Steel Metallic 2013 GMC Sierra 2500HD SLT in Lakewood, CO exterior view of passenger side

Automatic / 4WD / 8 Cyl

  • Get Directions
$41,499

2013 GMC Sierra 2500HD SLT

65,860 miles Lakewood, CO

Photo 1:  2011 GMC Sierra 2500HD SLT in Longmont, CO exterior view from front driver's side
Photo 2:  2011 GMC Sierra 2500HD SLT in Longmont, CO
Photo 3: cockpit view from driver’s seat 2011 GMC Sierra 2500HD SLT in Longmont, CO
Photo 4: interior dashboard and console 2011 GMC Sierra 2500HD SLT in Longmont, CO
Photo 5: interior dashboard and console 2011 GMC Sierra 2500HD SLT in Longmont, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$34,999

2011 GMC Sierra 2500HD SLT

105,660 miles Longmont, CO

Photo 1: Summit White 2013 GMC Sierra 2500HD SLE in Aurora, CO exterior view from front driver's side
Photo 2: Summit White 2013 GMC Sierra 2500HD SLE in Aurora, CO
Photo 3: Summit White 2013 GMC Sierra 2500HD SLE in Aurora, CO exterior view of passenger side
Photo 4: Summit White 2013 GMC Sierra 2500HD SLE in Aurora, CO exterior view from rear driver's side
Photo 5: Summit White 2013 GMC Sierra 2500HD SLE in Aurora, CO view of rear bumper

Automatic / 4WD / 8 Cyl

  • Get Directions
$18,990

2013 GMC Sierra 2500HD SLE

141,266 miles Aurora, CO

Photo 1: 2013 GMC Sierra 2500HD Denali with  in Lakewood, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$42,999

2013 GMC Sierra 2500HD Denali

75,730 miles Lakewood, CO

Photo 1:  2016 GMC Sierra 2500HD Denali in Denver, CO exterior view from front driver's side
Photo 2:  2016 GMC Sierra 2500HD Denali in Denver, CO exterior view from rear driver's side
Photo 3: 2016 GMC Sierra 2500HD Denali with  in Denver, CO
Photo 4: 2016 GMC Sierra 2500HD Denali with  in Denver, CO
Photo 5: 2016 GMC Sierra 2500HD Denali with  in Denver, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$58,410

2016 GMC Sierra 2500HD Denali

22,203 miles Denver, CO

Photo 1:  2014 GMC Sierra 2500HD SLE in Commerce City, CO exterior view from front driver's side
Photo 2:  2014 GMC Sierra 2500HD SLE in Commerce City, CO
Photo 3:  2014 GMC Sierra 2500HD SLE in Commerce City, CO front view of grill, headlights, hood and windshield
Photo 4:  2014 GMC Sierra 2500HD SLE in Commerce City, CO exterior view from rear driver's side
Photo 5:  2014 GMC Sierra 2500HD SLE in Commerce City, CO view of rear bumper

Automatic / 4WD / 8 Cyl

  • Get Directions
$34,996

2014 GMC Sierra 2500HD SLE

52,370 miles Commerce City, CO

Photo 1:  2016 GMC Sierra 2500HD SLE in Denver, CO
Photo 2:  2016 GMC Sierra 2500HD SLE in Denver, CO exterior view of passenger side
Photo 3:  2016 GMC Sierra 2500HD SLE in Denver, CO exterior view from rear driver's side
Photo 4: 2016 GMC Sierra 2500HD SLE with  in Denver, CO
Photo 5:  2016 GMC Sierra 2500HD SLE in Denver, CO view of rear bumper

Automatic / 4WD / 8 Cyl

  • Get Directions
$51,410

2016 GMC Sierra 2500HD SLE

6,519 miles Denver, CO

Photo 1:  2014 GMC Sierra 2500HD Denali in Denver, CO exterior view from front driver's side
Photo 2:  2014 GMC Sierra 2500HD Denali in Denver, CO
Photo 3: cockpit view from driver’s seat 2014 GMC Sierra 2500HD Denali in Denver, CO
Photo 4: cockpit view from driver’s seat 2014 GMC Sierra 2500HD Denali in Denver, CO
Photo 5:  2014 GMC Sierra 2500HD Denali in Denver, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Get Directions
$34,287

2014 GMC Sierra 2500HD Denali

85,307 miles Denver, CO

Photo 1: Onyx Black 2009 GMC Sierra 2500HD Work Truck in Golden, CO exterior view from front driver's side
Photo 2: Onyx Black 2009 GMC Sierra 2500HD Work Truck in Golden, CO
Photo 3: interior dashboard and console 2009 GMC Sierra 2500HD Work Truck in Golden, CO
Photo 4: Onyx Black 2009 GMC Sierra 2500HD Work Truck in Golden, CO front view of grill, headlights, hood and windshield
Photo 5: Onyx Black 2009 GMC Sierra 2500HD Work Truck in Golden, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Get Directions
$31,000

2009 GMC Sierra 2500HD Work Truck

59,990 miles Golden, CO

Photo 1:  2015 GMC Sierra 2500HD SLT in Denver, CO exterior view from front driver's side
Photo 2:  2015 GMC Sierra 2500HD SLT in Denver, CO
Photo 3: interior dashboard and console 2015 GMC Sierra 2500HD SLT in Denver, CO
Photo 4:  2015 GMC Sierra 2500HD SLT in Denver, CO front view of grill, headlights, hood and windshield
Photo 5:  2015 GMC Sierra 2500HD SLT in Denver, CO exterior view of passenger side

Automatic / 4WD / 8 Cyl

  • Get Directions
$48,410

2015 GMC Sierra 2500HD SLT

63,550 miles Denver, CO

Photo 1:  2011 GMC Sierra 2500HD SLE in Fort Collins, CO exterior view from front driver's side
Photo 2:  2011 GMC Sierra 2500HD SLE in Fort Collins, CO
Photo 3: cockpit view from driver’s seat 2011 GMC Sierra 2500HD SLE in Fort Collins, CO
Photo 4: interior dashboard and console 2011 GMC Sierra 2500HD SLE in Fort Collins, CO
Photo 5:  2011 GMC Sierra 2500HD SLE in Fort Collins, CO exterior view of driver's side

Automatic / 4WD / 8 Cyl

  • Get Directions
$24,900

2011 GMC Sierra 2500HD SLE

96,317 miles Fort Collins, CO

Photo 1: Onyx Black 2015 GMC Sierra 2500HD Denali in Golden, CO
Photo 2: Onyx Black 2015 GMC Sierra 2500HD Denali in Golden, CO closeup view of wheel
Photo 3: Onyx Black 2015 GMC Sierra 2500HD Denali in Golden, CO exterior view from rear driver's side
Photo 4: Onyx Black 2015 GMC Sierra 2500HD Denali in Golden, CO view of rear bumper

Automatic / 4WD / 8 Cyl

  • Get Directions
$54,599

2015 GMC Sierra 2500HD Denali

72,310 miles Golden, CO

Photo 1: Summit White 2009 GMC Sierra 2500HD Work Truck in Denver, CO exterior view from front driver's side
Photo 2: Summit White 2009 GMC Sierra 2500HD Work Truck in Denver, CO
Photo 3: cockpit view from driver’s seat 2009 GMC Sierra 2500HD Work Truck in Denver, CO
Photo 4: interior dashboard and console 2009 GMC Sierra 2500HD Work Truck in Denver, CO
Photo 5: Summit White 2009 GMC Sierra 2500HD Work Truck in Denver, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl

  • Get Directions
$21,410

2009 GMC Sierra 2500HD Work Truck

83,869 miles Denver, CO