Brandon Chrysler Dodge Jeep Ram

Loveland Buick GMC

EchoPark Automotive Denver (Thornton)

Ken Garff Ford Greeley

Pedersen Toyota Volvo

O'Meara Volkswagen of Thornton

Mike Maroone Chevrolet GMC Longmont

Private Seller Exchange

Ken Garff Ford Fort Collins

Mike Maroone Ford Longmont

Brighton Ford

Spider

Fullsize Crew Cab

Truck

AWD4WD

8-Cylinder

Gasoline

Used

Sierra 1500

Get AutoCheck Vehicle History

Used 2019 GMC Sierra 1500 SLT

Used 2019 GMC Sierra 1500 SLT Loveland CO 80538

Automatic

Midsize

Sport Utility

6-Cylinder Turbo

Certified

MAZDA

CX-90

Premium Plus

<div class="text-bold text-default margin-top-3 col-xs-12 margin-bottom-5">IT TAKES COURAGE TO STAND BEHIND A CAR</div><div class="col-xs-12"><p>At MAZDA, everything we do is designed, engineered, and tested to make driving better. Because to us, Driving Matters. And our Certified Pre-Owned vehicles are no exception. Each vehicle is required to endure an uncompromising 160-point inspection and comes with the confidence to greet every turn, on-ramp and green light with the same enthusiasm MAZDA owners know so well.</p><p>When you become a MAZDA Certified Pre-Owned customer, you are automatically enrolled in our 24-Hour Emergency Roadside Assistance Program as part of the 7-year/100,000-Mile Limited Powertrain Warranty.* In the unfortunate chance that your vehicle runs out of gas, you get a flat tire, or you're locked out, you can call us toll-free 24/7, 365 days a year.</p><p>To make sure you know exactly what you're getting, each MAZDA Certified Pre-Owned vehicle comes with a full Autocheck® vehicle history report and 3-year Buyback Protection from Experian.**</p></div><div class="margin-top-4 text-size-200 text-subdued col-xs-12"><div class="padding-bottom-4">Disclaimer</div><div class="text-size-100"><p>*Coverage begins from the original retail sales date and covers 7 years/100,000 miles, whichever comes first. See dealer for details.</p><p>**Subject to all Experian & Experian Automotive buyback terms and conditions.</p></div></div>

MAZDA Certified Pre-Owned

Certified 2024 MAZDA CX-90 3.3 Turbo S w/ Premium Plus

Certified 2024 MAZDA CX-90 3.3 Turbo S w/ Premium Plus Loveland CO 80538

3.3 Turbo S w/ Premium Plus

AT4 Preferred Package

Used 2022 GMC Sierra 1500 AT4 w/ AT4 Preferred Package

Used 2022 GMC Sierra 1500 AT4 w/ AT4 Preferred Package Loveland CO 80538

Compact

Sedan

4-Cylinder Turbo

Honda

Civic

Used 2022 Honda Civic EX

Used 2022 Honda Civic EX Loveland CO 80538

AT4X AEV Edition

Used 2024 GMC Sierra 1500 AT4X w/ AT4X AEV Edition

Used 2024 GMC Sierra 1500 AT4X w/ AT4X AEV Edition Longmont CO 80501

AT4X

SLT Premium Plus Package

X31 Off-Road and Protection Package

Used 2022 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

Used 2022 GMC Sierra 1500 SLT w/ SLT Premium Plus Package Denver CO 80234

Pro Value Package

Used 2024 GMC Sierra 1500 Pro w/ Pro Value Package

Used 2024 GMC Sierra 1500 Pro w/ Pro Value Package Denver CO 80234

Max Trailering Package

Used 2020 GMC Sierra 1500 SLT w/ SLT Premium Plus Package

Used 2020 GMC Sierra 1500 SLT w/ SLT Premium Plus Package Longmont CO 80504

Diesel

Used 2022 GMC Sierra 1500 Denali Ultimate

Used 2022 GMC Sierra 1500 Denali Ultimate Loveland CO 80538

Denali Ultimate

Chevrolet

Blazer

Used 2023 Chevrolet Blazer LT

Used 2023 Chevrolet Blazer LT Loveland CO 80538

Denali Reserve Package

Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package

Used 2024 GMC Sierra 1500 Denali w/ Denali Reserve Package Loveland CO 80538

Denali

Used 2020 GMC Sierra 1500 AT4

Used 2020 GMC Sierra 1500 AT4 Brighton CO 80601

Luxury

INFINITI

QX80

Used 2017 INFINITI QX80 4WD

Used 2017 INFINITI QX80 4WD Loveland CO 80538

Used 2022 GMC Sierra 1500 Limited AT4

Used 2022 GMC Sierra 1500 Limited AT4 Loveland CO 80538

Limited AT4

New 2025 GMC Sierra 1500 AT4X w/ AT4X AEV Edition

New 2025 GMC Sierra 1500 AT4X w/ AT4X AEV Edition Loveland CO 80538

Third-Party Certified

Technology Package

Driver Alert Package II

Driver Alert Package I

<div class="text-bold text-default margin-top-3 col-xs-12 margin-bottom-5">Confidence at Every Turn.</div><div class="col-xs-12"><ul><li>139-Point Inspection by Factory-Trained Technicians</li><li>90-Day/4,000-Mile (whichever comes first) Comprehensive Warranty¹</li><li>Nationwide Dealer Network for Service and Accessories</li><li>Complimentary 24/7 Roadside Assistance²</li><li>CARFAX® Vehicle History Report³</li><li>11,000 FordPass™ Rewards Points⁴ to Use Toward Your First Maintenance Visit</li></ul><p>Exceptional Coverage Comes Standard.</p></div><div class="margin-top-4 text-size-200 text-subdued col-xs-12"><div class="padding-bottom-4">Disclaimer</div><div class="text-size-100"><sup>1</sup> See your dealer for warranty coverage details.</br><sup>2</sup> See your dealer for coverage details. Roadside Assistance is included for certain owners and available to everyone for a per-service fee. Ford reserves the right to change program details without obligations.</br><sup>3</sup> CARFAX® is a registered trademark of CARFAX® Inc.<br/><sup>4</sup> FordPass App, compatible with select smartphone platforms, is available via a download. Message and data rates may apply.</div></div>

Ford Blue Advantage - Blue Certified

Used 2021 GMC Sierra 1500 AT4 w/ Technology Package

Used 2021 GMC Sierra 1500 AT4 w/ Technology Package Fort Collins CO 80525

AT4 Premium Package

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used 2023 GMC Sierra 1500 AT4 w/ AT4 Premium Package Longmont CO 80504

Hybrid

Hybrid Gas/Electric

Hyundai

Santa Fe

Used 2022 Hyundai Santa Fe SEL Premium

Used 2022 Hyundai Santa Fe SEL Premium Loveland CO 80538

SEL Premium

Volvo

Blind Spot Information System (Blis) Package

Protection Package

Used 2018 Volvo S60 T5 Inscription Platinum

Used 2018 Volvo S60 T5 Inscription Platinum Loveland CO 80538

T5 Inscription Platinum

Denali Reserve Super Cruise Package

Certified 2024 GMC Sierra 1500 Denali

Certified 2024 GMC Sierra 1500 Denali Loveland CO 80538

Used 2022 GMC Sierra 1500 AT4X

Used 2022 GMC Sierra 1500 AT4X Loveland CO 80538

Used 2022 GMC Sierra 1500 AT4X Greeley CO 80634

Used 2023 GMC Sierra 1500 Crew Cab AT4-X Pickup 4D 5 3/4 ft

Used 2023 GMC Sierra 1500 AT4X

Used 2023 GMC Sierra 1500 AT4X Fort Collins CO 80521

Used 2023 GMC Sierra 1500 AT4 w/ Technology Package

Used 2023 GMC Sierra 1500 AT4 w/ Technology Package Fort Collins CO 80525

CR-V

Used 2018 Honda CR-V Touring

Used 2018 Honda CR-V Touring Loveland CO 80538

Touring

Used 2024 GMC Sierra 1500 AT4X

Used 2024 GMC Sierra 1500 AT4X Loveland CO 80538

LPO, Elevation Black Package

Used 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package

Used 2024 GMC Sierra 1500 Elevation w/ LPO, Elevation Black Package Loveland CO 80538

Elevation

6-Cylinder

Lexus

IS 350

Used 2023 Lexus IS 350 F Sport

Used 2023 Lexus IS 350 F Sport Loveland CO 80538

F Sport

Used 2024 GMC Sierra 1500 Denali w/ Technology Package

Used 2024 GMC Sierra 1500 Denali w/ Technology Package Loveland CO 80538

4-Cylinder

Nissan

Altima

Used 2017 Nissan Altima 2.5 SV

Used 2017 Nissan Altima 2.5 SV Loveland CO 80538

2.5 SV

Used 2023 GMC Sierra 1500 AT4X Longmont CO 80504

XC40

Used 2021 Volvo XC40 T5 Momentum

Used 2021 Volvo XC40 T5 Momentum Loveland CO 80538

T5 Momentum

Hatchback

Toyota

Prius

Used 2018 Toyota Prius Two

Used 2018 Toyota Prius Two Loveland CO 80538

Exotic

Electric

Tesla

Model S

Used 2016 Tesla Model S P100D

Used 2016 Tesla Model S P100D Loveland CO 80538

P100D

Off-Road Package

Light Duty Power Package

Used 2005 GMC Sierra 1500 SLE w/ Off-Road Package

Used 2005 GMC Sierra 1500 SLE w/ Off-Road Package Northglenn CO 80234

Elevation Value Package

Elevation Convenience Package With Bucket Seats

Used 2020 GMC Sierra 1500 Elevation w/ Elevation Value Package

Used 2020 GMC Sierra 1500 Elevation w/ Elevation Value Package Loveland CO 80538

Used 2023 GMC Sierra 1500 Crew Cab AT4 Pickup 4D 5 3/4 ft

Used 2023 GMC Sierra 1500 AT4

Used 2023 GMC Sierra 1500 AT4 Brighton CO 80603

Texas Edition SLT Premium Package

Used 2021 GMC Sierra 1500 SLT

Used 2021 GMC Sierra 1500 SLT Thornton CO 80233

Preferred Package

New 2026 GMC Sierra 1500 Elevation

New 2026 GMC Sierra 1500 Elevation Castle Rock CO 80104

LPO, GMC Protection Package

Used 2023 GMC Sierra 1500 Elevation

Used 2023 GMC Sierra 1500 Elevation Greeley CO 80634

Castle Rock Chevrolet GMC

2 Mazda

AutoNation USA Denver 104

Denver

Used Cars for Sale

Test drive Used GMC Sierra 1500 at home in Fort Collins, CO. Search from 164 Used GMC Sierra 1500 cars for sale, including a  2019 GMC Sierra 1500 SLT, a  2020 GMC Sierra 1500 AT4, and a  2020 GMC Sierra 1500 Elevation ranging in price from $8,999 to $79,995.

Used GMC Sierra 1500 for Sale in Fort Collins, CO - Autotrader

A capable full-size half-ton pickup, the GMC Sierra 1500 blends luxury and durability. The Sierra 1500 is a contender in the pickup truck segment with significant hauling and towing capacity, giving General Motors a consistent best-seller.  The GMC Sierra is a corporate cousin to the <a href="https://www.autotrader.com/cars-for-sale/chevrolet/silverado-1500" target="_blank">Chevrolet Silverado</a>. This light-duty pickup comes in many trim levels (<a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/at4" target="_blank">AT4</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/at4x" target="_blank">AT4X</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/elevation" target="_blank">Elevation</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/sle" target="_blank">SLE</a>, <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/slt" target="_blank">SLT</a>, and others) and powertrain options, including the popular and luxurious <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/denali" target="_blank">Denali</a> and <a href="https://www.autotrader.com/cars-for-sale/gmc/sierra-1500/denali-ultimate" target="_blank">Denali Ultimate</a>. A reputable and capable truck, the Sierra 1500 is a workhorse that travels in its own herd. Our editors have consistently named the Sierra 1500 to numerous "best truck" lists including one of the best new vehicles of 2019.

<ul>
    <li>4th - <a href="https://www.autotrader.com/car-shopping/best-used-pickups-under-15000" target="_blank"> Best Used Trucks on a $15,000 Budget </a> (2012 model year)</li> 
    <li><a href="https://www.autotrader.com/comparisons/2024-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2024 GMC Sierra 1500: Choosing the Right Trim</a></li>
    <li><a href="https://www.autotrader.com/comparisons/2023-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2023 GMC Sierra 1500: Choosing the Right Trim</a></li>
    <li><a href="https://www.autotrader.com/comparisons/2022-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2022 GMC Sierra 1500: Choosing the Right Trim</a> (Sierra 1500 Pro, SLE, Elevation, SLT, AT4, AT4X, Denali, and Denali Ultimate trims)</li>
    <li><a href="https://www.autotrader.com/comparisons/2021-gmc-sierra-1500-choosing-the-right-trim" target="_blank">2021 GMC Sierra 1500: Choosing the Right Trim</a> (Sierra 1500 base, SLT, SLE, AT4, Elevation, and Denali trims)</li>
</ul>

Used GMC Sierra 1500 for Sale Under $20,000

Used GMC Sierra 1500 for Sale Under $10,000

Used GMC Sierra 1500 for Sale Under $15,000

Used GMC Sierra 1500 Vehicles with AWD/4WD for Sale

Used GMC Sierra 1500 for Sale Under $25,000

Search from 164 GMC Sierra 1500 for sale, including a Certified 2024 GMC Sierra 1500 Denali, a Used 2019 GMC Sierra 1500 SLT, and a Used 2020 GMC Sierra 1500 AT4 ranging in price from $8,999 to $79,995.

Autotrader has 164 GMC Sierra 1500 for sale near Fort Collins, CO, including a Certified 2024 GMC Sierra 1500 Denali, a Used 2019 GMC Sierra 1500 SLT, and a Used 2020 GMC Sierra 1500 AT4 ranging in price from $8,999 to $79,995.

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Used GMC Sierra 1500 for Sale in Fort Collins, CO

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164 Matches

Used 2022 GMC Sierra 1500 Limited AT4

Certified 2024 GMC Sierra 1500 Denali

Used 2005 GMC Sierra 1500 SLE