2026 GMC Sierra 3500HD SLE

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

5 for sale right now

$61,670 – $65,183

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Specifications

Performance

Engine: 6.6L V-Shaped L5P
Transmission: Automatic
Drivetrain: RWD

Fuel & Efficiency

Fuel: Diesel

Body & Practicality

Body Style: Truck
Doors: 2

Colors

Factory colors on 2026 GMC Sierra 3500HD SLEs for sale now.

Exterior

Summit White(white)4

Interior

Black2
Dark Walnut/Slate, Cloth Seat Trim(brown)2

Live Market Data

Computed from active 2026 GMC Sierra 3500HD SLE listings nationwide, updated continuously.

For sale now5

Median price$62,202

Average price$62,682

Price range$61,670 – $65,183

Avg. days on market147

Avg. mileage4 mi

New / Used5 / 0

Latest SLE Listings

The newest 2026 GMC Sierra 3500HD SLEs on the market.

View all 5 →

New 2026 GMC Sierra 3500HD

SLE

$62,202

MSRP: $66,0535.8% off

18 mi

Est. $900/mo*

50 days on market

WhiteBlack

Capital Chevrolet Buick GMC

Lexington, NC

New 2026 GMC Sierra 3500HD

SLE

$61,670

MSRP: $65,0855.2% off

0 mi

Est. $892/mo*

114 days on market

Summit WhiteBrown

Borjon Auto Center

Paso Robles, CA

New 2026 GMC Sierra 3500HD

SLE

$61,670

MSRP: $65,0855.2% off

0 mi

Est. $892/mo*

114 days on market

Summit WhiteBrown

Borjon Auto Center

Paso Robles, CA

New 2026 GMC Sierra 3500HD

SLE

$65,183

MSRP: $66,0331.3% off

0 mi

Est. $942/mo*

223 days on market

Summit WhiteBlack

Motor City Buick GMC

Bakersfield, CA

New 2026 GMC Sierra 3500HD

SLE

$62,683

MSRP: $66,0335.1% off

0 mi

Est. $907/mo*

234 days on market

Summit WhiteBlack

Motor City Buick GMC

Bakersfield, CA

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The median 2026 GMC Sierra 3500HD SLE lists for $62,202 today.

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