2018 GMC Sierra 2500 SLT

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

3 for sale right now

$34,822 – $49,643

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Specifications

Performance

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

Fuel & Efficiency

Fuel: Diesel

Body & Practicality

Body Style: Truck
Doors: 4

Colors

Factory colors on 2018 GMC Sierra 2500 SLTs for sale now.

Exterior

Dark Slate Metallic(gray)1
Gray1
Onyx Black(black)1

Interior

Jet Black(black)2
Black1

Live Market Data

Computed from active 2018 GMC Sierra 2500 SLT listings nationwide, updated continuously.

For sale now3

Median price$44,973

Average price$43,146

Price range$34,822 – $49,643

Avg. days on market74

Avg. mileage89,770 mi

New / Used0 / 3

Latest SLT Listings

The newest 2018 GMC Sierra 2500 SLTs on the market.

View all 3 →

Certified 2018 GMC Sierra 2500

SLT

$49,643

43,632 mi

Est. $721/mo*

1 day on market

GrayJet Black

Jim Murphy Buick GMC

Depew, NY

Used 2018 GMC Sierra 2500

SLT

$34,822

153,554 mi

Est. $510/mo*

9 days on market

GrayJet Black

Bob Brown Chevrolet

Urbandale, IA

Used 2018 GMC Sierra 2500

SLT

$44,973

72,125 mi

Est. $654/mo*

211 days on market

Onyx BlackBlack

Woodhouse Nissan

Bellevue, NE

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The median 2018 GMC Sierra 2500 SLT lists for $44,973 today.

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GMC Sierra 2500 SLT

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