(opens in new window)

Sign In

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
- Helpful Links
- Find Local Dealers
- Best Car Deals
- Best Truck Deals
- Best SUV Deals
- Buy Cars Online
- Car Research & News
- Research & Information
- New & Future Models
- Trim Comparisons
- Car Buying Tools
- Buying & Selling Tips
- Car Payment Calculator
- Affordability Calculator
- Car Lease Calculator
See if you can save on car insurance on KBB.com
Get a Kelley Blue Book® Instant Cash Offer
Run a free AutoCheck Vehicle History Report with Experian
AI ModeBeta

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
AI ModeBeta

Skip to vehicle Listings

Online car buying built around you. Shop Now

Used Cars for SaleGMCSierra 2500SLT

Used GMC Sierra 2500 SLT for Sale in Allentown, PA

18102

Filters (4)

Items 1 to 2 of 7.

Location & Delivery

Year

Price & Payments

Min Price

Max Price

Price Rating

Good Price (0)

Great Price (1)

Min Price

Max Price

Price Rating

Good Price (0)

Great Price (1)

Make, Model & Trim

GMC

Models

Sierra 2500

Acadia (138)

Caballero

Canyon (61)

Envoy

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (5)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500 (1)

Savana 2500 (27)

Savana 3500 (14)

Savana 4500

Sierra 1500 (297)

Sierra 2500 (74)

Sierra 3500 (29)

Sierra EV (2)

Sonoma (1)

Suburban

Syclone

Terrain (189)

TopKick C4500

TopKick C5500

Typhoon

Yukon (74)

Yukon XL (57)

Sierra 2500 Trims

SLT

AT4 (16)

AT4X (1)

Classic SL

Classic SLE

Classic SLT

Classic W/T

Denali (29)

Denali Ultimate (5)

Pro (4)

SL

SLE (10)

SLT (7)

W/T

SLT Package

Any

Onstar Plus Package

SLT Preferred Package (2)

SLT Premium Plus Package

LPO, Hitch Package (1)

All Terrain HD Package

Sun And Navigation Package

SLT Convenience Package (3)

Convenience Package

Snow Plow Prep Package

Max Trailering Package (1)

License Plate Front Mounting Package

Gooseneck/5th Wheel Prep Package (1)

EZ-Lift Tailgate Package

X31 Off-Road and Protection Package (2)

Texas SLT Premium Package

Driver Alert Package II

LPO, Chrome Appearance Package

LPO, Cargo Convenience Package

LPO, GMC Interior Protection Package

Sierra HD Pro Safety Plus Package (1)

Heavy Duty Front Spring/Camper Package

X31 Off-Road Package

Entertainment Package, Rear Seat DVD/Blu-Ray Player

LPO, Black Badging Package

SLT Premium Package (1)

Suspension Package, Off-Road (2)

Duramax Plus Package

Skid Plate Package, Frame-Mounted Shields

Texas Edition SLT Premium Plus Package (1)

Heavy-Duty Power Package (1)

Driver Alert Package (1)

Z71 Off-Road Package

LPO, Protection Package

Driver Alert Package I

All Terrain X HD Package

Deep Indigo Metallic Edition

LPO, On The Job Package

Snow Plow Prep/Camper Package (1)

Gooseneck/5TH Wheel Prep Package (1)

Gooseneck/5TH Wheel Package (1)

LPO, Assist Step and Floor Liner Package (1)

Mocha Steel Metallic Edition

Technology Package

SLT Preferred Equipment Group

Skid Plate Package (1)

LPO, GMC Protection Package

2500HD SLT Gas Premium Plus Package

All-Terrain HD Package

Entertainment Package

Graphite Blue Metallic Edition

GMC

Models

Sierra 2500

Acadia (138)

Caballero

Canyon (61)

Envoy

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (5)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500 (1)

Savana 2500 (27)

Savana 3500 (14)

Savana 4500

Sierra 1500 (297)

Sierra 2500 (74)

Sierra 3500 (29)

Sierra EV (2)

Sonoma (1)

Suburban

Syclone

Terrain (189)

TopKick C4500

TopKick C5500

Typhoon

Yukon (74)

Yukon XL (57)

Sierra 2500 Trims

SLT

AT4 (16)

AT4X (1)

Classic SL

Classic SLE

Classic SLT

Classic W/T

Denali (29)

Denali Ultimate (5)

Pro (4)

SL

SLE (10)

SLT (7)

W/T

SLT Package

Any

Onstar Plus Package

SLT Preferred Package (2)

SLT Premium Plus Package

LPO, Hitch Package (1)

All Terrain HD Package

Sun And Navigation Package

SLT Convenience Package (3)

Convenience Package

Snow Plow Prep Package

Max Trailering Package (1)

License Plate Front Mounting Package

Gooseneck/5th Wheel Prep Package (1)

EZ-Lift Tailgate Package

X31 Off-Road and Protection Package (2)

Texas SLT Premium Package

Driver Alert Package II

LPO, Chrome Appearance Package

LPO, Cargo Convenience Package

LPO, GMC Interior Protection Package

Sierra HD Pro Safety Plus Package (1)

Heavy Duty Front Spring/Camper Package

X31 Off-Road Package

Entertainment Package, Rear Seat DVD/Blu-Ray Player

LPO, Black Badging Package

SLT Premium Package (1)

Suspension Package, Off-Road (2)

Duramax Plus Package

Skid Plate Package, Frame-Mounted Shields

Texas Edition SLT Premium Plus Package (1)

Heavy-Duty Power Package (1)

Driver Alert Package (1)

Z71 Off-Road Package

LPO, Protection Package

Driver Alert Package I

All Terrain X HD Package

Deep Indigo Metallic Edition

LPO, On The Job Package

Snow Plow Prep/Camper Package (1)

Gooseneck/5TH Wheel Prep Package (1)

Gooseneck/5TH Wheel Package (1)

LPO, Assist Step and Floor Liner Package (1)

Mocha Steel Metallic Edition

Technology Package

SLT Preferred Equipment Group

Skid Plate Package (1)

LPO, GMC Protection Package

2500HD SLT Gas Premium Plus Package

All-Terrain HD Package

Entertainment Package

Graphite Blue Metallic Edition

Mileage

Condition (1 selected)

New (27)

Used (7)

Manufacturer Certified (2)

Third-Party Certified (0)

Certified Program

Learn more

New (27)

Used (7)

Manufacturer Certified (2)

Third-Party Certified (0)

Certified Program

Learn more

Color

Drive Type

Body Style

Truck Cab Size

Crew Cab (6)

Extended Cab (1)

Regular Cab (0)

Crew Cab (6)

Extended Cab (1)

Regular Cab (0)

Truck Bed Length

Short (0)

Medium (6)

Long (1)

Include unspecified lengths (0)

Short (0)

Medium (6)

Long (1)

Include unspecified lengths (0)

Vehicle History

Features

Fuel Type

Fuel Economy

Transmission

Cylinders

Engine Displacement

Number of Seats

Number of Doors

Purchase Options

Seller Type

Sponsored by EYNON BUICK GMC

Hide

360°

New 2026 GMC Sierra 2500 SLT w/ Max Trailering Package

New 2026 GMC Sierra 2500 SLT w/ Max Trailering Package

81,469

MSRP$87,800

Similar Match

EYNON BUICK GMC

75View Vehicles

7 Matches

Sort By:

Used 2005 GMC Sierra 2500 SLT w/ Heavy-Duty Power Package

Used

2005 GMC Sierra 2500

SLT
117K mi

34,995

See payment

Auto World

2.16 mi. away

Used 2015 GMC Sierra 2500 SLT w/ Driver Alert Package

Used

2015 GMC Sierra 2500

SLT
107K mi

25,995

See payment

GT Motors, Inc.

42.48 mi. away

Used 2012 GMC Sierra 2500 SLT w/ SLT Convenience Package

Used

2012 GMC Sierra 2500

SLT
180K mi

24,995

See payment

Woodcrest Motors

44.1 mi. away

My Wallet

Find it Fast.

Keep it Affordable.

Monthly Payment

Down Payment

Get My Kelley Blue Book® Car Value

$

Based on 4.5% APR for mos.Update Settings

Used 2021 GMC Sierra 2500 SLT w/ SLT Premium Package

Used

2021 GMC Sierra 2500

SLT
166K mi

39,995

See payment

Woodcrest Motors

44.1 mi. away

Used 2020 GMC Sierra 2500 SLT

Used

2020 GMC Sierra 2500

SLT
121K mi

40,995

See payment

Woodcrest Motors

44.1 mi. away

New 2026 GMC Sierra 2500 Pro

Consider New, Similar Payment

2026 GMC Sierra 2500

Pro
1 mi

53,780

Geoff Penske GMC

33.59 mi. away

Advertisement

Certified 2024 GMC Sierra 2500 SLT

Certified

2024 GMC Sierra 2500

SLT
11K mi

66,599

See payment

Great Price

Dealer

12.08 mi. away

Certified 2025 GMC Sierra 2500 SLT w/ SLT Convenience Package

CarBravo Certified

2025 GMC Sierra 2500

SLT
218 mi

79,995

See payment

Dealer

20.76 mi. away

Advertisement

Similar Vehicles for Sale

Used 2023 GMC Sierra 2500 SLT for Sale
Used 2025 GMC Sierra 2500 SLT for Sale
1 for sale
Used 2020 GMC Sierra 2500 SLT for Sale
1 for sale
Used 2024 GMC Sierra 2500 SLT for Sale
1 for sale
Used 2026 GMC Sierra 2500 SLT for Sale

View All Similar Vehicles

Used GMC Sierra 2500 SLT in Nearby Cities

Used GMC Sierra 2500 SLT For Sale in Pittsburgh
9 for sale
Used GMC Sierra 2500 SLT For Sale in Reading
7 for sale
Used GMC Sierra 2500 SLT For Sale in Harrisburg
5 for sale
Used GMC Sierra 2500 SLT For Sale in Lancaster
5 for sale
Used GMC Sierra 2500 SLT For Sale in York
5 for sale
Used GMC Sierra 2500 SLT For Sale in Philadelphia
3 for sale

View All Cities

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.