Used GMC Sierra for Sale in Longmont, CO

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  2. CO
  3. Longmont
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  5. Sierra

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great price

Used 2001 GMC Sierra

$7,998
$2,617 below
$236/mo est. ?
350,104 km

VIN: 1GTEK19T61E132252

 
EpicVIN report available
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Auto Warehouse

Authorized EpicVIN dealer

4.4 Google 229 reviews

80524, Fort Collins CO

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high price

Used 2011 GMC Sierra

$23,999
$7,384 above
$708/mo est. ?
145,943 km

VIN: 3GTP2XE27BG283619

 
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Auto Warehouse

Authorized EpicVIN dealer

80601, Brighton CO

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great price

Used 2016 GMC Sierra

$25,988
$2,603 below
$766/mo est. ?
205,645 km 6.2L

VIN: 3GTU2PEJ7GG154247

 
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HIGHLINE MOTORS

Authorized EpicVIN dealer

80537, Loveland CO

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great price

Used 2015 GMC Sierra

$22,988
$2,724 below
$678/mo est. ?
252,925 km

VIN: 3GTU2WEJ6FG493588

 
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HIGHLINE MOTORS

Authorized EpicVIN dealer

80537, Loveland CO

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great price

Used 2021 GMC Sierra

$39,000
$5,192 below
$1,150/mo est. ?
65,996 km

VIN: 3GTU9FED4MG418794

 
EpicVIN report available
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AutoSavvy Windsor

Authorized EpicVIN dealer

80550, Windsor CO

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high price

Used 1989 GMC Sierra

$10,977
$892 above
$324/mo est. ?
269,112 km 5.7L

VIN: 2GTFK29KXK1536658

 
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Off-Road Automotive LLC

Authorized EpicVIN dealer

4.6 Google 59 reviews

80621, Fort Lupton CO

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high price

Used 2014 GMC Sierra

$22,027
$1,286 above
$650/mo est. ?
248,233 km 5.3L

VIN: 3GTU2WEC8EG273076

 
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Loveland Ford Lincoln

Authorized EpicVIN dealer

4.7
Star icon
584 reviews

80537, Loveland CO

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high price

Used 2023 GMC Sierra

$60,698
$5,518 above
$1,790/mo est. ?
11,547 km

VIN: 3GTUUEEL9PG218613

 
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Mike Maroone Ford Longmont

Authorized EpicVIN dealer

4.3 Google 1913 reviews

80501, Longmont CO

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great price

Used 2021 GMC Sierra

$37,463
$6,729 below
$1,105/mo est. ?
143,214 km

VIN: 3GTU9CET1MG372735

 
EpicVIN report available
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Mike Maroone Longmont Ford

4.3 Google 1913 reviews

80501, Longmont CO

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great price

Used 2017 GMC Sierra

$19,802
$9,504 below
$584/mo est. ?
291,421 km

VIN: 3GTU2MEC2HG260123

 
EpicVIN report available
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Skyline Mitsubishi

Authorized EpicVIN dealer

80234, Denver CO

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great price

Used 2020 GMC Sierra

$38,393
$4,307 below
$1,132/mo est. ?
261,706 km 6.2L

VIN: 1GTU9FEL6LZ192098

 
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Loveland Ford Lincoln

Authorized EpicVIN dealer

4.7
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584 reviews

80537, Loveland CO

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great price

Used 2021 GMC Sierra

$41,220
$2,972 below
$1,216/mo est. ?
66,709 km

VIN: 1GTU9DED3MZ220485

 
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Sill-Terhar Ford

80020, Broomfield CO

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high price

Used 2012 GMC Sierra

$29,977
$12,953 above
$884/mo est. ?
279,010 km

VIN: 1GT426C82CF103471

 
EpicVIN report available

Off-Road Automotive LLC

Authorized EpicVIN dealer

4.6 Google 59 reviews

80621, Fort Lupton CO

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great price

Used 2015 GMC Sierra

$18,942
$6,770 below
$559/mo est. ?
289,934 km

VIN: 3GTP1VEC7FG222406

 
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Skyline Mitsubishi

Authorized EpicVIN dealer

80234, Denver CO

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high price

2025 GMC Sierra

$78,565
$13,739 above
$2,312/mo est. ?
16 km

VIN: 3GTUUGEL4SG147518

 
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AutoNation Buick GMC West

Authorized EpicVIN dealer

80401, Golden CO

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high price

2025 GMC Sierra

$76,799
$11,973 above
$2,260/mo est. ?
10 km

VIN: 3GTUUGEL7SG118675

 
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AutoNation Buick GMC West

Authorized EpicVIN dealer

80401, Golden CO

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great price

2025 GMC Sierra

$47,799
$17,027 below
$1,407/mo est. ?
10 km

VIN: 3GTNUAED6SG117852

 
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AutoNation Buick GMC West

Authorized EpicVIN dealer

80401, Golden CO

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great price

2025 GMC Sierra

$59,375
$5,451 below
$1,747/mo est. ?
5 km

VIN: 3GTPUCEK8SG107293

 
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Mike Maroone Buick GMC

Authorized EpicVIN dealer

80301, Boulder CO

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high price

2025 GMC Sierra

$71,600
$6,774 above
$2,107/mo est. ?
6 km

VIN: 3GTUUEE85SG111627

 
EpicVIN report available

Mike Maroone Buick GMC

Authorized EpicVIN dealer

80301, Boulder CO

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high price

Used 2023 GMC Sierra

$56,988
$1,808 above
$1,680/mo est. ?
65,711 km

VIN: 3GTUUEE88PG229906

 
EpicVIN report available

Markley Motors

Authorized EpicVIN dealer

4.8
Star icon
425 reviews

80525, Fort Collins CO

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2025 GMC Sierra

$64,875
$49 above
$1,909/mo est. ?
8 km

VIN: 3GTUUCE85SG172321

 
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Mike Maroone Chevrolet Buick GMC Longmont

Authorized EpicVIN dealer

80504, Longmont CO

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high price

Used 2024 GMC Sierra

$68,413
$7,548 above
$2,017/mo est. ?
1,582 km

VIN: 1GTUUGE89RZ140411

 
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Brighton Ford

Authorized EpicVIN dealer

4.3
Star icon
307 reviews

80601, Brighton CO

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high price

2025 GMC Sierra

$81,235
$16,409 above
$2,390/mo est. ?
8 km

VIN: 3GTUUFE88SG175280

 
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Mike Maroone Chevrolet Buick GMC Longmont

Authorized EpicVIN dealer

80504, Longmont CO

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fair price

2025 GMC Sierra

$64,014
$812 below
$1,884/mo est. ?
0 km

VIN: 3GTUUCEDXSG176992

 
EpicVIN report available
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Weld County Garage

Authorized EpicVIN dealer

4.8
Star icon
25 reviews
4.4 Google 1180 reviews

80634, Greeley CO

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Used GMC Sierra by City in Colorado

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