• Denali
  • SLT
  • SLE
  • Work Truck
  • SL
  • Base
  • 4WD
  • Well-Equipped
  • Automatic
  • Great Deal
  • Diesel
  • Good Deal
  • Heated Seats
  • Keyless Entry
  • CD (Single Disc)
  • White
  • Navigation System
  • Flexible-Fuel
  • Black
  • One Owner
  • 2013
  • MP3
  • 2015
  • 2014
  • 2012
  • Going Fast
  • Lower Than Average Mileage
  • Gray
  • 2017
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  • Silver
  • 2006
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  • 2016
  • 2011
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  • 2007
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  • 2005
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  • 2003
  • Bed Liner
  • 2010
  • 2008
  • 2002
  • 2009
  • Brown
  • RWD
  • Bronze
  • 2001
  • Certified Pre-Owned

Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

Min 14 Max 50

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166 Results for

Used GMC Sierra 2500HD For Sale in Longmont, CO

Search Results

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$67,655

2017 GMC Sierra 2500HD Denali

18 miles / Aurora, CO

Photo 1: 2006 GMC Sierra 2500HD SLE with  in Fort Lupton, CO
Photo 2: 2006 GMC Sierra 2500HD SLE with  in Fort Lupton, CO
Photo 3: 2006 GMC Sierra 2500HD SLE with  in Fort Lupton, CO
Photo 4: 2006 GMC Sierra 2500HD SLE in Fort Lupton, CO
Photo 5: 2006 GMC Sierra 2500HD SLE in Fort Lupton, CO

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$9,988

2006 GMC Sierra 2500HD SLE

401,916 miles / Fort Lupton, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$66,263

2017 GMC Sierra 2500HD Denali

20 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$67,058

2017 GMC Sierra 2500HD Denali

2 miles / Aurora, CO

Photo 1: 2014 GMC Sierra 2500HD Work Truck with  in Aurora, CO
Photo 2: 2014 GMC Sierra 2500HD Work Truck with  in Aurora, CO
Photo 3: 2014 GMC Sierra 2500HD Work Truck in Aurora, CO
Photo 4: 2014 GMC Sierra 2500HD Work Truck in Aurora, CO
Photo 5: 2014 GMC Sierra 2500HD Work Truck in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$34,900

2014 GMC Sierra 2500HD Work Truck

85,647 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$68,009

2017 GMC Sierra 2500HD Denali

19 miles / Aurora, CO

Photo 1:  2014 GMC Sierra 2500HD Denali in Englewood, CO exterior view from front driver's side
Photo 2:  2014 GMC Sierra 2500HD Denali in Englewood, CO
Photo 3: cockpit view from driver’s seat 2014 GMC Sierra 2500HD Denali in Englewood, CO
Photo 4: interior dashboard and console 2014 GMC Sierra 2500HD Denali in Englewood, CO
Photo 5:  2014 GMC Sierra 2500HD Denali in Englewood, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$49,999

2014 GMC Sierra 2500HD Denali

37,362 miles / Englewood, CO

Photo 1:  2013 GMC Sierra 2500HD SLT in Greeley, CO
Photo 2: cockpit view from driver’s seat 2013 GMC Sierra 2500HD SLT in Greeley, CO
Photo 3: 2013 GMC Sierra 2500HD SLT with  in Greeley, CO
Photo 4: 2013 GMC Sierra 2500HD SLT with  in Greeley, CO
Photo 5: 2013 GMC Sierra 2500HD SLT with  in Greeley, CO

Automatic / 4WD / 8 Cyl

  • Get Directions
$36,900

2013 GMC Sierra 2500HD SLT

54,548 miles / Greeley, CO

Photo 1: 2016 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 2: 2016 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 3: 2016 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 4: 2016 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 5: 2016 GMC Sierra 2500HD SLE with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$38,400

2016 GMC Sierra 2500HD SLE

26,611 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$67,753

2017 GMC Sierra 2500HD Denali

18 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$62,572

2017 GMC Sierra 2500HD SLE

20 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$68,009

2017 GMC Sierra 2500HD Denali

16 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$67,753

2017 GMC Sierra 2500HD Denali

19 miles / Aurora, CO

Photo 1: Sonoma Red Metallic 2015 GMC Sierra 2500HD SLT in Brighton, CO exterior view from front driver's side
Photo 2: Sonoma Red Metallic 2015 GMC Sierra 2500HD SLT in Brighton, CO
Photo 3: cockpit view from driver’s seat 2015 GMC Sierra 2500HD SLT in Brighton, CO
Photo 4: interior dashboard and console 2015 GMC Sierra 2500HD SLT in Brighton, CO
Photo 5: Sonoma Red Metallic 2015 GMC Sierra 2500HD SLT in Brighton, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$48,486

2015 GMC Sierra 2500HD SLT

28,179 miles / Brighton, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$67,174

2017 GMC Sierra 2500HD Denali

22 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD SLE with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$51,079

2017 GMC Sierra 2500HD SLE

21 miles / Aurora, CO

Photo 1: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 2: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 3: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 4: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO
Photo 5: 2017 GMC Sierra 2500HD Denali with  in Aurora, CO

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$67,673

2017 GMC Sierra 2500HD Denali

22 miles / Aurora, CO

Photo 1: Summit White 2014 GMC Sierra 2500HD SLE in Brighton, CO exterior view from front driver's side
Photo 2: Summit White 2014 GMC Sierra 2500HD SLE in Brighton, CO
Photo 3: cockpit view from driver’s seat 2014 GMC Sierra 2500HD SLE in Brighton, CO
Photo 4: interior dashboard and console 2014 GMC Sierra 2500HD SLE in Brighton, CO
Photo 5: Summit White 2014 GMC Sierra 2500HD SLE in Brighton, CO front view of grill, headlights, hood and windshield

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$31,486

2014 GMC Sierra 2500HD SLE

67,089 miles / Brighton, CO

Photo 1:  2011 GMC Sierra 2500HD SLE in Denver, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2011 GMC Sierra 2500HD SLE in Denver, CO
Photo 3:  2011 GMC Sierra 2500HD SLE in Denver, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$41,000

2011 GMC Sierra 2500HD SLE

35,219 miles / Denver, CO

Photo 1: Maroon 2006 GMC Sierra 2500HD SLE in Fort Lupton, CO exterior view from front driver's side
Photo 2: Maroon 2006 GMC Sierra 2500HD SLE in Fort Lupton, CO
Photo 3: 2006 GMC Sierra 2500HD SLE with  in Fort Lupton, CO
Photo 4: Maroon 2006 GMC Sierra 2500HD SLE in Fort Lupton, CO exterior view from rear driver's side
Photo 5: Maroon 2006 GMC Sierra 2500HD SLE in Fort Lupton, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Dealer Page
  • Call
  • Get Directions
$19,000

2006 GMC Sierra 2500HD SLE

118,167 miles / Fort Lupton, CO

Photo 1:  2013 GMC Sierra 2500HD Denali in Denver, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2013 GMC Sierra 2500HD Denali in Denver, CO
Photo 3:  2013 GMC Sierra 2500HD Denali in Denver, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$46,675

2013 GMC Sierra 2500HD Denali

64,747 miles / Denver, CO

Photo 1: Onyx Black 2011 GMC Sierra 2500HD SLT in Denver, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2011 GMC Sierra 2500HD SLT in Denver, CO
Photo 3: Onyx Black 2011 GMC Sierra 2500HD SLT in Denver, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$39,900

2011 GMC Sierra 2500HD SLT

86,452 miles / Denver, CO

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

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$43,900

2013 GMC Sierra 2500HD SLT

80,974 miles / Denver, CO

Photo 1:  2011 GMC Sierra 2500HD SLT in Denver, CO exterior view from front driver's side
Photo 2:  2011 GMC Sierra 2500HD SLT in Denver, CO
Photo 3:  2011 GMC Sierra 2500HD SLT in Denver, CO exterior view from rear driver's side
Photo 4:  2011 GMC Sierra 2500HD SLT in Denver, CO view of rear bumper
Photo 5:  2011 GMC Sierra 2500HD SLT in Denver, CO exterior view from rear passenger side

Automatic / 4WD / 8 Cyl

  • Call Dealer
  • Get Directions
$37,999

2011 GMC Sierra 2500HD SLT

52,914 miles / Denver, CO