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430 Results for

Used GMC Sierra 1500 For Sale in Longmont, CO

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Photo 1: Pewter Gray 2013 GMC Sierra 1500 SLT in Fort Collins, CO exterior view from front driver's side
Photo 2: Pewter Gray 2013 GMC Sierra 1500 SLT in Fort Collins, CO
Photo 3: cockpit view from driver’s seat 2013 GMC Sierra 1500 SLT in Fort Collins, CO
Photo 4: interior dashboard and console 2013 GMC Sierra 1500 SLT in Fort Collins, CO
Photo 5: Pewter Gray 2013 GMC Sierra 1500 SLT in Fort Collins, CO exterior view of driver's side

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

  • Dealer Page
  • Get Directions
$21,131

2013 GMC Sierra 1500 SLT

136,192 miles / Fort Collins, CO

Photo 1: Carbon Metallic 2004 GMC Sierra 1500 Base in Denver, CO exterior view from front driver's side
Photo 2: Carbon Metallic 2004 GMC Sierra 1500 Base in Denver, CO
Photo 3: Carbon Metallic 2004 GMC Sierra 1500 Base in Denver, CO exterior view of driver's side
Photo 4: Carbon Metallic 2004 GMC Sierra 1500 Base in Denver, CO exterior view from rear passenger side
Photo 5: Carbon Metallic 2004 GMC Sierra 1500 Base in Denver, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$5,995

2004 GMC Sierra 1500 Base

209,594 miles / Denver, CO

Photo 1: 2015 GMC Sierra 1500 SLT with  in Lakewood, CO

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

  • Call Dealer
  • Get Directions
$36,562

2015 GMC Sierra 1500 SLT

42,278 miles / Lakewood, CO

Photo 1: Onyx Black 2016 GMC Sierra 1500 SLT in Dacono, CO exterior view from front driver's side
Photo 2: Onyx Black 2016 GMC Sierra 1500 SLT in Dacono, CO
Photo 3: cockpit view from driver’s seat 2016 GMC Sierra 1500 SLT in Dacono, CO
Photo 4: interior dashboard and console 2016 GMC Sierra 1500 SLT in Dacono, CO
Photo 5: Onyx Black 2016 GMC Sierra 1500 SLT in Dacono, CO exterior view from rear passenger side

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

  • Call Dealer
  • Get Directions
$42,950

2016 GMC Sierra 1500 SLT

4,115 miles / Dacono, CO

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

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

  • Call Dealer
  • Get Directions
$35,880

2015 GMC Sierra 1500 SLE

21,660 miles / Fort Collins, CO

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

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

  • Get Directions
$30,494

2013 GMC Sierra 1500 SLT

68,506 miles / Loveland, CO

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

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

  • Call Dealer
  • Get Directions
$34,500

2016 GMC Sierra 1500

6,289 miles / Brighton, CO

Photo 1: White Frost Tri-Coat 2017 GMC Sierra 1500 SLE in Aurora, CO exterior view from front driver's side
Photo 2: White Frost Tri-Coat 2017 GMC Sierra 1500 SLE in Aurora, CO
Photo 3: White Frost Tri-Coat 2017 GMC Sierra 1500 SLE in Aurora, CO exterior view of driver's side
Photo 4: White Frost Tri-Coat 2017 GMC Sierra 1500 SLE in Aurora, CO exterior view from rear passenger side
Photo 5: White Frost Tri-Coat 2017 GMC Sierra 1500 SLE in Aurora, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$47,688

2017 GMC Sierra 1500 SLE

10 miles / Aurora, CO

Photo 1: Crimson Red Tintcoat 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view from front driver's side
Photo 2: Crimson Red Tintcoat 2017 GMC Sierra 1500 SLT in Aurora, CO
Photo 3: Crimson Red Tintcoat 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view of driver's side
Photo 4: Crimson Red Tintcoat 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view from rear passenger side
Photo 5: Crimson Red Tintcoat 2017 GMC Sierra 1500 SLT in Aurora, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$53,249

2017 GMC Sierra 1500 SLT

19 miles / Aurora, CO

Photo 1: Stealth Gray Metallic 2014 GMC Sierra 1500 SLE in Golden, CO exterior view from front driver's side
Photo 2: Stealth Gray Metallic 2014 GMC Sierra 1500 SLE in Golden, CO
Photo 3: cockpit view from driver’s seat 2014 GMC Sierra 1500 SLE in Golden, CO
Photo 4: Stealth Gray Metallic 2014 GMC Sierra 1500 SLE in Golden, CO exterior view of passenger side
Photo 5: Stealth Gray Metallic 2014 GMC Sierra 1500 SLE in Golden, CO exterior view from rear driver's side

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

  • Call Dealer
  • Get Directions
$28,637

2014 GMC Sierra 1500 SLE

34,664 miles / Golden, CO

Photo 1: Iridium Metallic 2016 GMC Sierra 1500 SLT in Aurora, CO
Photo 2: cockpit view from driver’s seat 2016 GMC Sierra 1500 SLT in Aurora, CO
Photo 3: 2016 GMC Sierra 1500 SLT with  in Aurora, CO
Photo 4: Iridium Metallic 2016 GMC Sierra 1500 SLT in Aurora, CO exterior view from rear passenger side
Photo 5: 2016 GMC Sierra 1500 SLT with  in Aurora, CO

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

  • Call Dealer
  • Get Directions
$39,001

2016 GMC Sierra 1500 SLT

20,431 miles / Aurora, CO

Photo 1: Deep Blue Metallic 2006 GMC Sierra 1500 SLE SLE-1 in Wheat Ridge, CO exterior view from front driver's side
Photo 2: Deep Blue Metallic 2006 GMC Sierra 1500 SLE SLE-1 in Wheat Ridge, CO
Photo 3: Deep Blue Metallic 2006 GMC Sierra 1500 SLE SLE-1 in Wheat Ridge, CO exterior view of driver's side
Photo 4: Deep Blue Metallic 2006 GMC Sierra 1500 SLE SLE-1 in Wheat Ridge, CO exterior view from rear passenger side
Photo 5: Deep Blue Metallic 2006 GMC Sierra 1500 SLE SLE-1 in Wheat Ridge, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$11,988

2006 GMC Sierra 1500 SLE SLE-1

160,915 miles / Wheat Ridge, CO

Photo 1: Sonoma Red Metallic 2014 GMC Sierra 1500 SLT in Aurora, CO exterior view from front driver's side
Photo 2: Sonoma Red Metallic 2014 GMC Sierra 1500 SLT in Aurora, CO
Photo 3: Sonoma Red Metallic 2014 GMC Sierra 1500 SLT in Aurora, CO exterior view of driver's side
Photo 4: Sonoma Red Metallic 2014 GMC Sierra 1500 SLT in Aurora, CO exterior view from rear passenger side
Photo 5: Sonoma Red Metallic 2014 GMC Sierra 1500 SLT in Aurora, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$38,900

2014 GMC Sierra 1500 SLT

31,987 miles / Aurora, CO

Photo 1:  2016 GMC Sierra 1500 SLE in Aurora, CO exterior view from front driver's side
Photo 2:  2016 GMC Sierra 1500 SLE in Aurora, CO
Photo 3:  2016 GMC Sierra 1500 SLE in Aurora, CO exterior view of driver's side
Photo 4:  2016 GMC Sierra 1500 SLE in Aurora, CO exterior view from rear passenger side
Photo 5:  2016 GMC Sierra 1500 SLE in Aurora, CO view of rear bumper



  • Call Dealer
  • Get Directions
$39,900

2016 GMC Sierra 1500 SLE

9,298 miles / Aurora, CO

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

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

  • Call Dealer
  • Get Directions
$30,000

2015 GMC Sierra 1500 Base

11,990 miles / Denver, CO

Photo 1: Onyx Black 2015 GMC Sierra 1500 Denali in Longmont, CO exterior view from front driver's side
Photo 2: Onyx Black 2015 GMC Sierra 1500 Denali in Longmont, CO
Photo 3: Onyx Black 2015 GMC Sierra 1500 Denali in Longmont, CO exterior view of driver's side
Photo 4: Onyx Black 2015 GMC Sierra 1500 Denali in Longmont, CO exterior view from rear passenger side
Photo 5: Onyx Black 2015 GMC Sierra 1500 Denali in Longmont, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$43,599

2015 GMC Sierra 1500 Denali

19,600 miles / Longmont, CO

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

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

  • Dealer Page
  • Call
  • Get Directions
$24,297

2013 GMC Sierra 1500 SLE

40,881 miles / Longmont, CO

Photo 1: Quicksilver Metallic 2015 GMC Sierra 1500 SLE in Brighton, CO exterior view from front driver's side
Photo 2: Quicksilver Metallic 2015 GMC Sierra 1500 SLE in Brighton, CO
Photo 3: cockpit view from driver’s seat 2015 GMC Sierra 1500 SLE in Brighton, CO
Photo 4: interior dashboard and console 2015 GMC Sierra 1500 SLE in Brighton, CO
Photo 5: Quicksilver Metallic 2015 GMC Sierra 1500 SLE in Brighton, CO front view of grill, headlights, hood and windshield

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

  • Dealer Page
  • Call
  • Get Directions
$33,486

2015 GMC Sierra 1500 SLE

30,340 miles / Brighton, CO

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

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

  • Call Dealer
  • Get Directions
$40,749

2015 GMC Sierra 1500 SLT

34,151 miles / Highlands Ranch, CO

Photo 1: Onyx Black 2017 GMC Sierra 1500 SLT in Aurora, CO
Photo 2: Onyx Black 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view of driver's side
Photo 3: Onyx Black 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view of driver's side
Photo 4: Onyx Black 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view from rear passenger side
Photo 5: Onyx Black 2017 GMC Sierra 1500 SLT in Aurora, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$56,797

2017 GMC Sierra 1500 SLT

12 miles / Aurora, CO

Photo 1: Onyx Black 2013 GMC Sierra 1500 SLE in Windsor, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2013 GMC Sierra 1500 SLE in Windsor, CO
Photo 3: Onyx Black 2013 GMC Sierra 1500 SLE in Windsor, CO exterior view of driver's side
Photo 4: Onyx Black 2013 GMC Sierra 1500 SLE in Windsor, CO view of rear bumper
Photo 5: 2013 GMC Sierra 1500 SLE with  in Windsor, CO

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

  • Dealer Page
  • Call
  • Get Directions
$24,999

2013 GMC Sierra 1500 SLE

29,257 miles / Windsor, CO

Photo 1: White Frost Tri-Coat 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view from front driver's side
Photo 2: White Frost Tri-Coat 2017 GMC Sierra 1500 SLT in Aurora, CO
Photo 3: White Frost Tri-Coat 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view of driver's side
Photo 4: White Frost Tri-Coat 2017 GMC Sierra 1500 SLT in Aurora, CO exterior view from rear passenger side
Photo 5: White Frost Tri-Coat 2017 GMC Sierra 1500 SLT in Aurora, CO view of rear bumper

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

  • Call Dealer
  • Get Directions
$53,716

2017 GMC Sierra 1500 SLT

18 miles / Aurora, CO

Photo 1: Onyx Black 2017 GMC Sierra 1500 in Aurora, CO exterior view from front driver's side
Photo 2: Onyx Black 2017 GMC Sierra 1500 in Aurora, CO
Photo 3: interior dashboard and console 2017 GMC Sierra 1500 in Aurora, CO
Photo 4: Onyx Black 2017 GMC Sierra 1500 in Aurora, CO exterior view of driver's side
Photo 5: Onyx Black 2017 GMC Sierra 1500 in Aurora, CO exterior view from rear passenger side

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

  • Call Dealer
  • Get Directions
$41,928

2017 GMC Sierra 1500

8 miles / Aurora, CO

Photo 1: 2016 GMC Sierra 1500 SLT with  in Greeley, CO
Photo 2: 2016 GMC Sierra 1500 SLT with  in Greeley, CO
Photo 3: 2016 GMC Sierra 1500 SLT with  in Greeley, CO
Photo 4: 2016 GMC Sierra 1500 SLT with  in Greeley, CO
Photo 5: 2016 GMC Sierra 1500 SLT with  in Greeley, CO

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

  • Call Dealer
  • Get Directions
$46,298

2016 GMC Sierra 1500 SLT

15,657 miles / Greeley, CO