Used GMC Sierra for Sale in Thornton, CO

  1. Used Cars For Sale
  2. CO
  3. Thornton
  4. GMC
  5. Sierra

No matches found.

Save your search and we will notify you when we have cars that match your search criteria.

We expanded your search distance and we're unable to find cars that match.

Try adjusting your filters, or start a new search.

Used 2021 GMC Sierra

$28,000
$28,000 above
$826/mo est. ?
17,780 km

VIN: 3GTN8AEF5MG214971

 
EpicVIN report available

Freeway Ford

Authorized EpicVIN dealer

4.7
Star icon
217 reviews

80222, Denver CO

Check Details

Used 2022 GMC Sierra

$67,488
$67,488 above
$1,990/mo est. ?
9,341 km

VIN: 3GTUUFEL0NG686846

 
EpicVIN report available

Johnson Auto Plaza

Authorized EpicVIN dealer

1.4
Star icon
6 reviews

80601, Brighton CO

Check Details

Used 2021 GMC Sierra

$27,500
$27,500 above
$811/mo est. ?
15,500 km 5.3L

VIN: 3GTN8AEF2MG161730

 
EpicVIN report available

Barbee's Freeway Ford

Authorized EpicVIN dealer

4.3
Star icon
336 reviews
4.2 Google 1279 reviews

80222, Denver CO

Check Details

To save your search and get updates on new inventory and price drops, sign up for a profile

Sign up

Used 2023 GMC Sierra

$62,000
$62,000 above
$1,828/mo est. ?
18,746 km 6.2L

VIN: 1GTUUGEL8PZ260461

 
EpicVIN report available

Freeway Ford

Authorized EpicVIN dealer

4.7
Star icon
217 reviews

80222, Denver CO

Check Details

Used 2018 GMC Sierra

$39,980
$39,980 above
$1,179/mo est. ?
96,565 km 6.2L

VIN: 3GTU2PEJ9JG583882

 
EpicVIN report available

Sill-Terhar Ford

80020, Broomfield CO

Check Details

Used 2019 GMC Sierra

$35,691
$35,691 above
$1,052/mo est. ?
106,995 km

VIN: 1GTV9CED4KZ169266

 
EpicVIN report available

Prestige Chrysler Dodge Jeep RAM

Authorized EpicVIN dealer

2.7
Star icon
19 reviews

80501, Longmont CO

Check Details

Used 2021 GMC Sierra

$46,381
$46,381 above
$1,368/mo est. ?
139,205 km

VIN: 3GTU9FET1MG261491

 
EpicVIN report available

Prestige Chrysler Dodge Jeep RAM

Authorized EpicVIN dealer

2.7
Star icon
19 reviews

80501, Longmont CO

Check Details

Used 2018 GMC Sierra

$41,878
$41,878 above
$1,235/mo est. ?
96,042 km 6.2L

VIN: 3GTU2PEJ0JG292266

 
EpicVIN report available

Skyline Mitsubishi

Authorized EpicVIN dealer

80234, Denver CO

Check Details

Used 2017 GMC Sierra

$27,488
$27,488 above
$811/mo est. ?
186,869 km

VIN: 1GT12UEG7HF155228

 
EpicVIN report available

Mike Maroone Longmont Ford

Authorized EpicVIN dealer

4.3 Google 1913 reviews

80501, Longmont CO

Check Details

Save a search, and we'll alert you when there are new listings that match exactly what you're looking for.

Used 2018 GMC Sierra

$34,992
$34,992 above
$1,032/mo est. ?
89,235 km

VIN: 3GTU2MECXJG143072

 
EpicVIN report available

Phil Long Ford of Denver

Authorized EpicVIN dealer

80123, Denver CO

Check Details
great price

Used 2022 GMC Sierra

$49,899
$7,509 below
$1,471/mo est. ?
53,989 km 5.3L

VIN: 3GTUUDED0NG644612

 
EpicVIN report available

Castle Rock Ford

Authorized EpicVIN dealer

80104, Castle Rock CO

Check Details

Used 2019 GMC Sierra

$49,995
$49,995 above
$1,474/mo est. ?
60,767 km 6.2L

VIN: 1GTP9EEL4KZ167965

 
EpicVIN report available

Truck Kings

Authorized EpicVIN dealer

5.0
Star icon
2 reviews
4.4 Google 73 reviews

80219, Denver CO

Check Details

Used 2021 GMC Sierra

$32,690
$32,690 above
$964/mo est. ?
128,702 km

VIN: 1GTU9BED7MZ316785

 
EpicVIN report available

Alpine Buick GMC

Authorized EpicVIN dealer

80129, Highlands Ranch CO

Check Details

Used 2005 GMC Sierra

Get a price quote
268,707 km

VIN: 2GTEK13T951279777

 
EpicVIN report available

Alpine Buick GMC

Authorized EpicVIN dealer

80129, Highlands Ranch CO

Check Details

Used 2019 GMC Sierra

$33,835
$33,835 above
$998/mo est. ?
46,858 km

VIN: 1GTU9BED0KZ366053

 
EpicVIN report available

Alpine Buick GMC

Authorized EpicVIN dealer

80129, Highlands Ranch CO

Check Details

2024 GMC Sierra

$71,934
$71,934 above
$2,117/mo est. ?
3 km

VIN: 3GTUUFEL4RG282390

 
EpicVIN report available

Shortline Buick GMC

Authorized EpicVIN dealer

4.0 Google 725 reviews

80012, Aurora CO

Check Details

Used 2013 GMC Sierra

Get a price quote
168,089 km 6.6L

VIN: 1GT125E86DF243972

 
EpicVIN report available

Truck Ranch Fredrick

Authorized EpicVIN dealer

80504, Frederick CO

Check Details

Used 2016 GMC Sierra

$45,495
$45,495 above
$1,342/mo est. ?
146,587 km 6.6L

VIN: 1GT12UE84GF298113

 
EpicVIN report available

Truck Ranch Fredrick

Authorized EpicVIN dealer

80504, Frederick CO

Check Details

Used 2018 GMC Sierra

Get a price quote
161,563 km

VIN: 1GT22SEG3JZ286959

 
EpicVIN report available

Truck Ranch Fredrick

Authorized EpicVIN dealer

80504, Frederick CO

Check Details

Used 2021 GMC Sierra

$39,747
$39,747 above
$1,172/mo est. ?
46,166 km

VIN: 3GTP9CEK6MG203458

 
EpicVIN report available

Auto Mart USA

Authorized EpicVIN dealer

4.7 Google 158 reviews

80134, Parker CO

Check Details

Used 2021 GMC Sierra

$42,721
$42,721 above
$1,260/mo est. ?
49,735 km

VIN: 3GTU9CET4MG222523

 
EpicVIN report available

Auto Mart USA

Authorized EpicVIN dealer

4.7 Google 158 reviews

80134, Parker CO

Check Details

Used 2022 GMC Sierra

$70,156
$70,156 above
$2,069/mo est. ?
38,927 km 6.6L

VIN: 1GT49WEY2NF248862

 
EpicVIN report available

Alpine Buick GMC

Authorized EpicVIN dealer

80129, Highlands Ranch CO

Check Details

2024 GMC Sierra

$80,845
$80,845 above
$2,379/mo est. ?
14 km 6.2L

VIN: 1GTUUGELXRZ275157

 
EpicVIN report available

O'Meara GMC

Authorized EpicVIN dealer

80234, Denver CO

Check Details

Used 2006 GMC Sierra

$12,988
$12,988 above
$383/mo est. ?
282,420 km

VIN: 1GTHK23U76F226095

 
EpicVIN report available

Country Truck & Auto

Authorized EpicVIN dealer

80621, Fort Lupton CO

Check Details

Used GMC Sierra by City in Colorado

We use cookies . If you continue to browse it means you agree to the use of cookies. Learn more and change cookie settings .