(opens in new window)

Sign In

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
Find Local Dealers

Skip to vehicle Listings

Online car buying built around you. Shop Now

Used Cars for SaleGMCSierra 3500

Used GMC Sierra 3500 for Sale in Denver, CO

80203

|Filters (3)

Items 1 to 2 of 6.

Location & Delivery

Year

Price & Payments

Min Price

Max Price

Price Rating

Good Price (21)

Great Price (23)

Min Price

Max Price

Price Rating

Good Price (21)

Great Price (23)

Make, Model & Trim

GMC

Models

Sierra 3500

Acadia (91)

Caballero

Canyon (41)

Envoy (1)

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (8)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari (2)

Savana 1500 (1)

Savana 2500 (10)

Savana 3500 (11)

Savana 4500

Sierra 1500 (330)

Sierra 2500 (130)

Sierra 3500 (66)

Sierra EV

Sonoma (1)

Suburban

Syclone

Terrain (121)

TopKick C4500 (1)

TopKick C5500

Typhoon

Yukon (129)

Yukon XL (60)

Sierra 3500 Trims

Any

AT4 (11)

Classic SL

Classic SLE

Classic W/T

Denali (36)

Denali Ultimate (5)

Pro (1)

SL (1)

SLE (4)

SLT (2)

W/T (2)

GMC

Models

Sierra 3500

Acadia (91)

Caballero

Canyon (41)

Envoy (1)

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (8)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari (2)

Savana 1500 (1)

Savana 2500 (10)

Savana 3500 (11)

Savana 4500

Sierra 1500 (330)

Sierra 2500 (130)

Sierra 3500 (66)

Sierra EV

Sonoma (1)

Suburban

Syclone

Terrain (121)

TopKick C4500 (1)

TopKick C5500

Typhoon

Yukon (129)

Yukon XL (60)

Sierra 3500 Trims

Any

AT4 (11)

Classic SL

Classic SLE

Classic W/T

Denali (36)

Denali Ultimate (5)

Pro (1)

SL (1)

SLE (4)

SLT (2)

W/T (2)

Mileage

Condition (1 selected)

New (103)

Used (66)

Manufacturer Certified (1)

Third-Party Certified (3)

Certified Program

Learn more

New (103)

Used (66)

Manufacturer Certified (1)

Third-Party Certified (3)

Certified Program

Learn more

Color

Drive Type

Body Style

Truck Cab Size

Crew Cab (61)

Extended Cab (1)

Regular Cab (2)

Crew Cab (61)

Extended Cab (1)

Regular Cab (2)

Truck Bed Length

Short (0)

Medium (32)

Long (26)

Include unspecified lengths (6)

Short (0)

Medium (32)

Long (26)

Include unspecified lengths (6)

Vehicle History

Features

Fuel Type

Fuel Economy

Transmission

Cylinders

Engine Displacement

Number of Seats

Number of Doors

Ways to Purchase

Seller Type

It looks like this GMC Sierra 3500 has already found a new home.

Check out other great options we've picked for you.

Sponsored by Alpine Buick GMC

Hide

360°

Used 2022 GMC Sierra 3500 Denali

Used 2022 GMC Sierra 3500 Denali

59,721

Great Price

Can be shipped to

Alpine Buick GMC

217View Vehicles

66 Matches

Sort By:

Used 2015 GMC Sierra 3500 Denali w/ Duramax Plus Package

Used

2015 GMC Sierra 3500

Denali
187K mi

29,988

See payment

Good PriceNo Accidents

Sponsored by Family Trucks and Vans

4.13 mi. away

Used 2022 GMC Sierra 3500 Denali

Used

2022 GMC Sierra 3500

Denali
43K mi

59,721

See payment

Great PriceNo Accidents

Can be shipped to

Sponsored by Alpine Buick GMC

8.95 mi. away

Online Paperwork
Delivery

Price Drop

Used 2021 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Used

2021 GMC Sierra 3500

Denali
58K mi

54,098

See payment

Great Price

Sponsored by AutoNation Chrysler Dodge Jeep Ram Southwest

8.9 mi. away

My Wallet

Find Your Vehicle Faster

and Within Budget

Monthly Payment

Down Payment

Get My Kelley Blue Book® Car Value

$

Based on 4.5% APR for mos.Update Settings

Used 2013 GMC Sierra 3500 W/T

Used

2013 GMC Sierra 3500

W/T
195K mi

16,500

See payment

Great PriceNo Accidents

Private Seller Exchange

1.32 mi. away

Buy Online. Clean title. No Hassle

Price Drop

Used 2012 GMC Sierra 3500 SLE w/ Suspension Package, Off-Road

Used

2012 GMC Sierra 3500

SLE
174K mi

21,990

See payment

Great PriceNo Accidents

AutoNation USA Denver Broadway

8.04 mi. away

Advertisement

New 2026 GMC Sierra 3500 Denali Ultimate

Consider New, Similar Payment

2026 GMC Sierra 3500

Denali Ultimate
4 mi

102,515

See details

Castle Rock Chevrolet GMC

26.73 mi. away

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Ford Blue Certified

2020 GMC Sierra 3500

Denali
52K mi

56,690

See payment

Great PriceNo Accidents

Phil Long Ford Denver

8.75 mi. away

Item 1 of 10.

How many passenger seats do you need in your truck?

Do you want

Adaptive Cruise Control?

Automatically adjusts your speed to maintain a safe distance from the car ahead.

Do you want

Backup Camera?

See behind your vehicle while reversing with a live video feed to avoid obstacles.

Do you want

Bluetooth, Hands-Free?

Make and receive calls safely through your car's audio system without touching your phone.

Do you want

Cross Traffic Alert?

Warns you of approaching vehicles from the sides when backing out of a parking spot.

Do you want

Keyless Start?

Start your car with the push of a button while the key fob stays in your pocket or bag.

Do you want

Lane Departure Warning?

Alerts you if your car begins to drift out of its lane without signaling.

Do you want

Premium Audio?

Enjoy high-quality sound with advanced speakers for a better listening experience.

Do you want

Remote Engine Start?

Start your car from a distance to preheat or cool the cabin before you get in.

Do you want

Security System?

Alerts you with a loud alarm if someone tries to break into your vehicle.

SponsoredPrice Drop

Used 2025 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

Used 2025 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

Used 2025 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

Used 2025 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

Used

2025 GMC Sierra 3500

AT4
54K mi

72,463

See payment

Price Drop

Used 2021 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Used

2021 GMC Sierra 3500

Denali
58K mi

54,098

See payment

Great Price

AutoNation Chrysler Dodge Jeep Ram Southwest

8.9 mi. away

Price Drop

Used 2013 GMC Sierra 3500 SLE w/ SLE Preferred Package

Used

2013 GMC Sierra 3500

SLE
134K mi

19,920

See payment

Great Price

Skyline Mitsubishi

10.66 mi. away

Price Drop

Used 2023 GMC Sierra 3500 AT4 w/ AT4 Preferred Package

Used

2023 GMC Sierra 3500

AT4
23K mi

60,998

See payment

Great PriceNo Accidents

Can be shipped to

Springs Automotive Group in Denver

6.79 mi. away

Delivery

Used 2025 GMC Sierra 3500 Denali Ultimate

Used

2025 GMC Sierra 3500

Denali Ultimate
29K mi

74,999

See payment

Great PriceNo Accidents

AutoNation Dodge Ram Arapahoe

11.29 mi. away

Used 2024 GMC Sierra 3500 Denali Ultimate

Used

2024 GMC Sierra 3500

Denali Ultimate
22K mi

77,988

See payment

Great PriceNo Accidents

ClearShift

11.56 mi. away

Advertisement

Used 2008 GMC Sierra 3500 SLE w/ Convenience Package

Used

2008 GMC Sierra 3500

SLE
204K mi

19,311

See payment

Great Price

Custom Cars West

5.71 mi. away

360°

Used 2022 GMC Sierra 3500 SLT w/ SLT Premium Package

Ford Blue Certified

2022 GMC Sierra 3500

SLT
60K mi

45,992

See payment

Great PriceNo Accidents

Phil Long Ford Denver

8.75 mi. away

Newly Listed

Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package

Used

2019 GMC Sierra 3500

Denali
141K mi

40,690

See payment

Great Price

John Elway Chevrolet

7.71 mi. away

Used 2014 GMC Sierra 3500 Denali

Used

2014 GMC Sierra 3500

Denali
161K mi

32,988

See payment

Good Price

Family Trucks and Vans

4.13 mi. away

Used 2020 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Used

2020 GMC Sierra 3500

Denali
55K mi

56,488

See payment

Great Price

JOHNSON AUTO PLAZA

16.27 mi. away

Delivery

Used 2025 GMC Sierra 3500 Denali w/ Denali Reserve Package

Used

2025 GMC Sierra 3500

Denali
14K mi

76,997

See payment

ClearShift

11.56 mi. away

Advertisement

Price Drop

Used 2024 GMC Sierra 3500 SLT w/ SLT Premium Package

Used

2024 GMC Sierra 3500

SLT
32K mi

63,649

See payment

Great PriceNo Accidents

AutoNation Buick GMC Park Meadows

12.44 mi. away

Price Drop

Used 2022 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Used

2022 GMC Sierra 3500

Denali
46K mi

57,998

See payment

AutoNation Subaru Arapahoe

11.03 mi. away

Used 2023 GMC Sierra 3500 Denali w/ Denali Ultimate Package

Used

2023 GMC Sierra 3500

Denali
6K mi

69,988

See payment

Good PriceNo Accidents

Interstate Ford

24.35 mi. away

Used 2024 GMC Sierra 3500 AT4 w/ AT4 Premium Plus Package

Used

2024 GMC Sierra 3500

AT4
32K mi

69,998

See payment

Great PriceNo Accidents

ClearShift

11.56 mi. away

Advertisement

Used 2018 GMC Sierra 3500 Denali w/ Duramax Plus Package

Used

2018 GMC Sierra 3500

Denali
73K mi

49,998

See payment

Good PriceNo Accidents

Rocky Mountain Eurosport Parker LLC

17.66 mi. away

Used 2016 GMC Sierra 3500 Denali w/ Duramax Plus Package

Used

2016 GMC Sierra 3500

Denali
75K mi

46,619

See payment

Good Price

Mike Maroone Ford Longmont

30.21 mi. away

Used 2015 GMC Sierra 3500 Denali w/ Duramax Plus Package

Used

2015 GMC Sierra 3500

Denali
187K mi

29,988

See payment

Good PriceNo Accidents

Family Trucks and Vans

4.13 mi. away

Used 2018 GMC Sierra 3500 Denali w/ Duramax Plus Package

Used

2018 GMC Sierra 3500

Denali
98K mi

44,842

See payment

Good Price

JOHNSON AUTO PLAZA

16.27 mi. away

Delivery

Advertisement

Shop for a Car

Used Cars For Sale
Certified Cars
Car Deals

Car Research

Trade-In Values and Car Pricing
Car Subscription Services

About Us

Company Information
Corporate Information
Jobs at Autotrader
Become an Autotrader Dealer
Press Room
Site Map
Contact Us
About Autotrader
Do Not Sell or Share My Personal Information
Limit the Use of My Sensitive Personal Information
Fraud Awareness
Manage Cookies

Autotrader Affiliates

Classic Cars & Trucks for Sale
Motorcycles for Sale
RVs for Sale
Cars for Bad Credit Buyers
Find Cars for Sale in Australia

Download on the Apple App Store

Get it on Google Play

Follow

By using this service, you accept the terms of our Visitor Agreement. Privacy Statement. Accessibility Statement.

©2026 Autotrader, Inc. All Rights Reserved. "Autotrader" is a registered trademark of TPI Holdings, Inc. used under exclusive license.