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Used GMC Sierra 3500 trucks for sale near Loveland, CO under $1,000,000

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21 matches 30 miles from 80539
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Est. $400 /mo*
Down Payment
$0
Net trade-in value
$0
Months
72
APR
7.0%
Sales tax
0.0%

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

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2021 GMC Sierra 3500 Base
2021 GMC Sierra 3500 Base
2021 GMC Sierra 3500 Base
2021 GMC Sierra 3500 Base
2021 GMC Sierra 3500 Base
2021 GMC Sierra 3500 Base View all 33 photos

Used

2021 GMC Sierra 3500 Base

34,319 mi.
$51,500
Est. $937/mo*
AutoSavvy Windsor
(219 reviews)
Windsor, CO (9 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: Brownstone Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: TB178466
VIN: 1GT49VEY4MF178466

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

AutoSavvy Windsor review

Berenyse at the dealership was very helpful and prompt.

June 25, 2025
By Pat Jones from Eaton CO.

Berenyse at the dealership was very helpful and prompt. she helped us throughout the whole car buying experience.

2021 GMC Sierra 3500 Base review

Truck is a Solid vehicle overall.

April 5, 2021
By Review from Tennessee
Owns this car

Has a really Big feel to it. I currently use mine to pull gooseneck trailer. I haven't had a load yet that I couldn't pull. The downsides to this truck is to me I feel it could get better fuel mileage. Also I had trouble with #4 injector...dealership replaced it. Now my AC doesn't work all the time. Although it sounds like it's blowing it isn't.

There are additional matching cars outside your search area.

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2025 GMC Sierra 3500 Base
2025 GMC Sierra 3500 Base
2025 GMC Sierra 3500 Base
2025 GMC Sierra 3500 Base
2025 GMC Sierra 3500 Base
2025 GMC Sierra 3500 Base View all 35 photos

Used

2025 GMC Sierra 3500 Base

8,587 mi.
$76,037 $1,000 price drop
Est. $1,383/mo*
Fowler Chevrolet
Broomfield, CO (34 mi.)

Vehicle information

Ext. color: Volcanic Red Tintcoat
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: TB260018A
VIN: 1GT4UVEYXSF193694

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2021 GMC Sierra 3500 Denali
2021 GMC Sierra 3500 Denali
2021 GMC Sierra 3500 Denali
2021 GMC Sierra 3500 Denali
2021 GMC Sierra 3500 Denali
2021 GMC Sierra 3500 Denali View all 36 photos

Used

2021 GMC Sierra 3500 Denali

86,973 mi.
$54,298 $257 price drop
Est. $988/mo*
Stevinson Toyota West
Lakewood, CO (47 mi.)

Vehicle information

Ext. color: White Frost Tricoat
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: STW250342C
VIN: 1GT49WEY2MF135606

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, HomeLink, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2015 GMC Sierra 3500 Denali
2015 GMC Sierra 3500 Denali
2015 GMC Sierra 3500 Denali
2015 GMC Sierra 3500 Denali
2015 GMC Sierra 3500 Denali
2015 GMC Sierra 3500 Denali View all 29 photos

Used

2015 GMC Sierra 3500 Denali

213,942 mi.
$25,498 $1,501 price drop
Est. $464/mo*
Mountain States Toyota
Denver, CO (40 mi.)

Vehicle information

Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: TFF603765
VIN: 1GT424E82FF603765

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Navigation System, Power Folding Mirrors, Remote Start
Entertainment: Bluetooth®, CD Player, HomeLink, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Stability Control
Seating: Leather Seats, Memory Seat
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4 View all 27 photos

Used

2020 GMC Sierra 3500 AT4

11,852 mi.
$55,990 $1,000 price drop
Est. $1,019/mo*
O'Meara Ford
Northglenn, CO (36 mi.)

Vehicle information

Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 6-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: CP6494
VIN: 1GT49VE72LF292357

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2013 GMC Sierra 3500 SLE
2013 GMC Sierra 3500 SLE
2013 GMC Sierra 3500 SLE
2013 GMC Sierra 3500 SLE
2013 GMC Sierra 3500 SLE
2013 GMC Sierra 3500 SLE View all 23 photos

Used

2013 GMC Sierra 3500 SLE

134,137 mi.
$21,941 $1,823 price drop
Est. $399/mo*
Skyline Mitsubishi
Thornton, CO (36 mi.)

Vehicle information

Ext. color: Sonoma Red Metallic
Int. color: Ebony
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: Vortec 6L V-8 variable valve control, regular unleaded, engine w
Stock #: 20367
VIN: 1GT423CG1DF191307

Features

Convenience: Keyless Entry, Navigation System
Entertainment: Bluetooth®, CD Player, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Brake Assist, Stability Control
2023 GMC Sierra 3500 Denali
2023 GMC Sierra 3500 Denali
2023 GMC Sierra 3500 Denali
2023 GMC Sierra 3500 Denali
2023 GMC Sierra 3500 Denali
2023 GMC Sierra 3500 Denali View all 58 photos

Used

2023 GMC Sierra 3500 Denali

48,152 mi.
$67,995
Est. $1,237/mo*
Truck Kings
Denver, CO (48 mi.)

Vehicle information

Ext. color: White
Int. color: White
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: I202
VIN: 1GT49WEY3PF105812

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali View all 46 photos

Used

2018 GMC Sierra 3500 Denali

214,457 mi.
$32,400
Est. $589/mo*
Berkenkotter Motors Brighton
Brighton, CO (31 mi.)

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: T17427
VIN: 1GT42YEY6JF170693

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, CD Player, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Stability Control
Seating: Leather Seats, Memory Seat
2021 GMC Sierra 3500 Denali
2021 GMC Sierra 3500 Denali
2021 GMC Sierra 3500 Denali

Used

2021 GMC Sierra 3500 Denali

74,748 mi.
$57,488
Est. $1,046/mo*
Johnson Auto Plaza
Brighton, CO (34 mi.)

Vehicle information

Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: G572024A
VIN: 1GT49WEY7MF255269

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali
2018 GMC Sierra 3500 Denali View all 24 photos

Used

2018 GMC Sierra 3500 Denali

97,206 mi.
$48,800
Est. $888/mo*
Berkenkotter Motors Brighton
Brighton, CO (31 mi.)

Vehicle information

Ext. color: White Frost Tricoat
Int. color: Cocoa/Dark Sand
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: T17472
VIN: 1GT42YEY3JF169792

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, CD Player, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Stability Control
Seating: Leather Seats, Memory Seat
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4
2020 GMC Sierra 3500 AT4 View all 36 photos

Used

2020 GMC Sierra 3500 AT4

89,615 mi.
$53,488
Est. $973/mo*
Johnson Auto Plaza
Brighton, CO (34 mi.)

Vehicle information

Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: G571777Y
VIN: 1GT49VEY2LF181669

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

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