(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 Round Rock, TX

78665

Filters (4)

Items 1 to 2 of 5.

Location & Delivery

Year

Price & Payments

Min Price

Max Price

Price Rating

Good Price (0)

Great Price (0)

Min Price

Max Price

Price Rating

Good Price (0)

Great Price (0)

Make, Model & Trim

GMC

Models

Sierra 2500

Acadia (43)

Caballero

Canyon (24)

Envoy

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (4)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500

Savana 2500 (12)

Savana 3500

Savana 4500

Sierra 1500 (196)

Sierra 2500 (76)

Sierra 3500 (16)

Sierra EV

Sonoma

Suburban

Syclone

Terrain (42)

TopKick C4500

TopKick C5500

Typhoon

Yukon (77)

Yukon XL (43)

Sierra 2500 Trims

SLT

AT4 (20)

AT4X (10)

Classic SL

Classic SLE

Classic SLT

Classic W/T

Denali (24)

Denali Ultimate (8)

Pro (4)

SL

SLE (2)

SLT (5)

W/T (2)

SLT Package

Any

Onstar Plus Package

SLT Preferred Package (1)

SLT Premium Plus Package

LPO, Hitch Package (1)

All Terrain HD Package

Sun And Navigation Package

Convenience Package

SLT Convenience Package (1)

Snow Plow Prep Package

Max Trailering Package

License Plate Front Mounting Package

Gooseneck/5th Wheel Prep Package (2)

X31 Off-Road and Protection Package (1)

EZ-Lift Tailgate Package

Texas SLT Premium Package (1)

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 (2)

X31 Off-Road Package (3)

Entertainment Package, Rear Seat DVD/Blu-Ray Player

LPO, Black Badging Package

Duramax Plus Package

SLT Premium Package (3)

Suspension Package, Off-Road

Skid Plate Package, Frame-Mounted Shields

Texas Edition SLT Premium Plus Package

Heavy-Duty Power Package

Driver Alert Package

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

Gooseneck/5TH Wheel Prep Package (2)

Gooseneck/5TH Wheel Package

LPO, Assist Step and Floor Liner Package

Mocha Steel Metallic Edition

Technology Package

SLT Preferred Equipment Group

Skid Plate Package

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 (43)

Caballero

Canyon (24)

Envoy

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (4)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500

Savana 2500 (12)

Savana 3500

Savana 4500

Sierra 1500 (196)

Sierra 2500 (76)

Sierra 3500 (16)

Sierra EV

Sonoma

Suburban

Syclone

Terrain (42)

TopKick C4500

TopKick C5500

Typhoon

Yukon (77)

Yukon XL (43)

Sierra 2500 Trims

SLT

AT4 (20)

AT4X (10)

Classic SL

Classic SLE

Classic SLT

Classic W/T

Denali (24)

Denali Ultimate (8)

Pro (4)

SL

SLE (2)

SLT (5)

W/T (2)

SLT Package

Any

Onstar Plus Package

SLT Preferred Package (1)

SLT Premium Plus Package

LPO, Hitch Package (1)

All Terrain HD Package

Sun And Navigation Package

Convenience Package

SLT Convenience Package (1)

Snow Plow Prep Package

Max Trailering Package

License Plate Front Mounting Package

Gooseneck/5th Wheel Prep Package (2)

X31 Off-Road and Protection Package (1)

EZ-Lift Tailgate Package

Texas SLT Premium Package (1)

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 (2)

X31 Off-Road Package (3)

Entertainment Package, Rear Seat DVD/Blu-Ray Player

LPO, Black Badging Package

Duramax Plus Package

SLT Premium Package (3)

Suspension Package, Off-Road

Skid Plate Package, Frame-Mounted Shields

Texas Edition SLT Premium Plus Package

Heavy-Duty Power Package

Driver Alert Package

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

Gooseneck/5TH Wheel Prep Package (2)

Gooseneck/5TH Wheel Package

LPO, Assist Step and Floor Liner Package

Mocha Steel Metallic Edition

Technology Package

SLT Preferred Equipment Group

Skid Plate Package

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 (21)

Used (5)

Manufacturer Certified (0)

Third-Party Certified (1)

Certified Program

Learn more

New (21)

Used (5)

Manufacturer Certified (0)

Third-Party Certified (1)

Certified Program

Learn more

Color

Drive Type

Body Style

Truck Cab Size

Crew Cab (5)

Extended Cab (0)

Regular Cab (0)

Crew Cab (5)

Extended Cab (0)

Regular Cab (0)

Truck Bed Length

Short (0)

Medium (5)

Long (0)

Include unspecified lengths (0)

Short (0)

Medium (5)

Long (0)

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 Covert Buick GMC Austin

Hide

Certified 2025 GMC Sierra 2500 Denali Ultimate

Certified 2025 GMC Sierra 2500 Denali Ultimate

87,498

See estimated payment

Dealer Fees Included

Similar Match

Covert Buick GMC Austin

148View Vehicles

5 Matches

Sort By:

Sponsored

Used 2025 GMC Sierra 2500 SLT

Used

2025 GMC Sierra 2500

SLT
18K mi

75,000

See payment

Sponsored by Covert Chevrolet

34.31 mi. away

Used 2024 GMC Sierra 2500 SLT w/ SLT Premium Package

Used

2024 GMC Sierra 2500

SLT
7K mi

61,816

See payment

Covert Buick GMC Bee Cave

26.18 mi. away

Online Paperwork

Used 2024 GMC Sierra 2500 SLT w/ Texas SLT Premium Package

Ford Blue Certified

2024 GMC Sierra 2500

SLT
29K mi

69,918

See payment

Mac Haik Ford Lincoln

4.15 mi. away

Online Paperwork

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

Newly Listed

Used 2024 GMC Sierra 2500 SLT w/ SLT Premium Package

Used

2024 GMC Sierra 2500

SLT
35K mi

69,000

See payment

Steele GMC Round Rock

2.75 mi. away

Online Paperwork

Used 2024 GMC Sierra 2500 SLT w/ SLT Premium Package

Used

2024 GMC Sierra 2500

SLT
60K mi

63,517

See payment

Covert Chevrolet

34.31 mi. away

New 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

Consider New, Similar Payment

2025 GMC Sierra 2500

AT4
10 mi

79,799

Covert Buick GMC Austin

10.12 mi. away

Delivery

Advertisement

Used 2025 GMC Sierra 2500 SLT

Used

2025 GMC Sierra 2500

SLT
18K mi

75,000

See payment

Covert Chevrolet

34.31 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
Used 2024 GMC Sierra 2500 SLT for Sale
4 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 Arlington
23 for sale
Used GMC Sierra 2500 SLT For Sale in Fort Worth
21 for sale
Used GMC Sierra 2500 SLT For Sale in Frisco
20 for sale
Used GMC Sierra 2500 SLT For Sale in Dallas
15 for sale
Used GMC Sierra 2500 SLT For Sale in Plano
14 for sale
Used GMC Sierra 2500 SLT For Sale in Mckinney
13 for sale
Used GMC Sierra 2500 SLT For Sale in Houston
11 for sale
Used GMC Sierra 2500 SLT For Sale in Austin
7 for sale
Used GMC Sierra 2500 SLT For Sale in San Antonio
6 for sale
Used GMC Sierra 2500 SLT For Sale in Abilene
5 for sale
Used GMC Sierra 2500 SLT For Sale in Killeen
3 for sale
Used GMC Sierra 2500 SLT For Sale in Lubbock
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.