2021 GMC Sierra 3500 SLE

Specifications, live market data, colors, and factory features.

4 for sale right now

$35,403 – $50,486

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Specifications

Performance

Engine: 6.6L V-Shaped L5P - DI, DURAMAX, GEN 5 VAR. 1
Transmission: Automatic
Drivetrain: 4WD

Fuel & Efficiency

Fuel: Diesel

Body & Practicality

Body Style: Truck
Doors: 4

Colors

Factory colors on 2021 GMC Sierra 3500 SLEs for sale now.

Exterior

Quicksilver Metallic1

Interior

Jet Black1

Live Market Data

Computed from active 2021 GMC Sierra 3500 SLE listings nationwide, updated continuously.

For sale now4

Median price$44,983

Average price$43,964

Price range$35,403 – $50,486

Avg. days on market36

Avg. mileage116,663 mi

New / Used0 / 4

Latest SLE Listings

The newest 2021 GMC Sierra 3500 SLEs on the market.

View all 4 →

Used 2021 GMC Sierra 3500

SLE

$50,486

62,794 mi

Est. $733/mo*

18 days at this dealer

BrownGray

Summit Automotive

Fond Du Lac, WI

Used 2021 GMC Sierra 3500

SLE

$35,403

191,705 mi

Est. $518/mo*

30 days at this dealer

Quicksilver MetallicJet Black

Seth Wadley Customz

Purcell, OK

Used 2021 GMC Sierra 3500

SLE

$44,865

112,603 mi

Est. $653/mo*

White

Rob Green Auto Group

Cottonwood, AZ

Used 2021 GMC Sierra 3500

SLE

$45,100

99,549 mi

Est. $656/mo*

103 days at this dealer

RedBlack

Newark Rides

Newark, IL

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The median 2021 GMC Sierra 3500 SLE lists for $44,983 today.

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