Used 2023 GMC Sierra 1500 AT4X in Port Lavaca, TX
Entertainment Features
Premium audio system
Bluetooth connectivity
Apple CarPlay
Android Auto
SAFETY FEATURES
Forward Collision Alert
Lane Keep Assist with Lane Departure Warning
Front and Rear Park Assist
HD Surround Vision
Rear Cross Traffic Braking
STANDARD FEATURES
Heated and ventilated front seats
Off-roadtuned suspension
Multimatic DSSV dampers
Integrated trailer brake controller
Power tailgate
Remote start system
Dual-zone automatic climate control
LED exterior lighting
Keyless open and start
Hill Descent Control
MECHANICAL FEATURES
EcoTec3 6.2L V8 engine
10-speed automatic transmission
Autotrac 2-speed transfer case
Skid plates for underbody protection
4WD with selectable drive modes
Heavy-duty air filter
Automatic locking rear differential
High-capacity cooling system
Off-road chassis tuning
Performance dual exhaust
Why Buy From Port Lavaca Auto Group
Transparent, customer-first buying experience
Wide selection of high-quality vehicles
Fast, simple, stress-free purchasing process
Knowledgeable team committed to long-term satisfaction
Community-trusted dealership with exceptional service
What Customers Are Saying
Our Google reviews consistently praise our professionalism and commitment to customer care.
From start to finish, the team at Port Lavaca made the process effortless. Exceptional service and honest communication. I couldnt be happier with my purchase! Michael R., January 18, 2025(more)
Vehicle Details
Testimonials
Similar Vehicle Match
Description
The 2024 GMC Sierra 2500HD Denali Ultimate in Onyx Black with Alpine Umber interior delivers premium heavy-duty diesel power, first-class Crew Cab comfort, and 4WD capability for…The 2024 GMC Sierra 2500HD Denali Ultimate in Onyx Black with Alpine Umber interior delivers premium heavy-duty diesel power, first-class Crew Cab comfort, and 4WD capability for drivers who want serious truck strength without giving up luxury. Powered by a Duramax 6.6L V8 Turbodiesel engine and paired with a 10-speed automatic transmission, this Sierra 2500HD Denali Ultimate brings massive torque, confident towing performance, and smooth power delivery in a truck built to handle real work while still looking every bit the top-shelf pickup it is. With just 21,445 miles, this Denali Ultimate offers low-mileage appeal, upscale presence, and the kind of heavy-duty capability that does not need to shout to be taken seriously.Entertainment and Connectivity Features• Large touchscreen infotainment display• Apple CarPlay integration• Android Auto integration• Bluetooth hands-free connectivity• Built-in navigation capability• Premium audio system• Wireless phone charging• USB charging and media ports• Steering wheel mounted audio and phone controls• Voice recognition capabilityAdded Features• Denali Ultimate premium trim package• Onyx Black exterior• Alpine Umber interior• 4WD capability• Duramax 6.6L V8 Turbodiesel performance• Crew Cab configuration• Low 21,445 miles• Premium leather-appointed seating• Heated and ventilated front seats• Power-adjustable front seats with memory settings• Advanced trailering technology• Strong towing and hauling appealSafety Features• Forward Collision Alert• Automatic Emergency Braking capability• Lane Departure Warning capability• Following Distance Indicator• HD Surround Vision capability• Front and rear park assist• Electronic Stability Control• Anti-lock braking system• Advanced airbag system• Trailer sway controlStandard Features• LED headlamps and LED daytime running lights• Premium alloy wheels• Dual-zone automatic climate control• Power windows and door locks• Remote start capability• Push-button start• Spacious Crew Cab interior• Rear seat air vents• Power-folding side mirrors• Premium interior trim and Denali Ultimate accentsMechanical Features• Duramax 6.6L V8 Turbodiesel engine• 10-speed automatic transmission• Four-wheel drive• Heavy-duty suspension system• Four-wheel disc brakes• Electric power steering• Integrated towing capability• Strong diesel torque for towing and hauling• Built for heavy-duty work, travel, and demanding use• Smooth long-haul diesel performanceWhy drivers choose Port Lavaca Auto Group for their next vehicle• Trusted dealership serving Texas drivers with transparent, pressure-free buying experiences• Large selection of quality SUVs, trucks, and cars ready for immediate delivery• Knowledgeable product specialists who help match drivers with the right vehicle• Flexible financing options for a wide range of buyers• Ongoing customer support and service after the sale• Strong reputation backed by consistent five-star Google reviewsCustomer Review HighlightWe shopped around quite a bit before buying, and Port Lavaca Auto Group stood out right away. They were professional, easy to talk to, and made sure everything was clear from start to finish. Heather W., March 2026From its low-mileage condition and proven Duramax diesel power to its Denali Ultimate luxury and 4WD capability, the 2024 GMC Sierra 2500HD is built for drivers who want heavy-duty truck capability, refined comfort, and the confidence to tow, haul, and travel without compromise.(more)| Mileage | 21,544 |
| Trim | Denali Ultimate |
| Stock # | RF244841 |
| VIN | 1GT49XEY2RF244841 |
| Exterior Color | Onyx Black |
| Interior Color | Alpine Umber |
| Drivetrain | 4WD |
Description
The 2024 GMC Canyon AT4 in Solar Flare Metallic with Jet Black and Timber interior delivers midsize truck strength, premium off-road styling, and strong turbocharged performance…The 2024 GMC Canyon AT4 in Solar Flare Metallic with Jet Black and Timber interior delivers midsize truck strength, premium off-road styling, and strong turbocharged performance for drivers who want something more refined than a basic pickup without turning soft. Powered by a 2.7L I4 Turbocharged DOHC 16V engine producing 310 horsepower and paired with an 8-speed automatic transmission, this Canyon AT4 offers strong low-end torque, confident 4WD capability, and the kind of composed road manners that make it equally comfortable on the highway, the trail, or headed to the jobsite. With 29,434 miles, this Crew Cab brings strong value, broad buyer appeal, and the kind of midsize truck utility that actually fits real life.Entertainment and Connectivity Features• Large touchscreen infotainment display• Apple CarPlay integration• Android Auto integration• Bluetooth hands-free connectivity• USB charging and media ports• Steering wheel mounted audio and phone controls• Voice recognition capability• Digital driver information display• Wi-Fi hotspot capability• Multiple power outlets for added convenienceAdded Features• AT4 trim package• Solar Flare Metallic exterior• Jet Black and Timber interior• Four-wheel drive capability• 2.7L turbocharged performance• 310 horsepower output• Crew Cab configuration• Off-road-inspired styling and stance• Strong personal-use and adventure appeal• Broad midsize truck versatilitySafety Features• Automatic Emergency Braking• Forward Collision Alert• Lane Keep Assist with Lane Departure Warning• Following Distance Indicator• HD rear vision camera• Electronic Stability Control• Anti-lock braking system• Tire pressure monitoring system• Advanced airbag system• Teen Driver capabilityStandard Features• LED headlamps and LED daytime running lights• Premium alloy wheels• Dual-zone automatic climate control capability• Power windows and door locks• Push-button start capability• Spacious Crew Cab interior• Fold-up rear seating for added interior flexibility• Tilt and telescoping steering wheel• Rear seat air vents• AT4-specific rugged styling accentsMechanical Features• 2.7L I4 Turbocharged DOHC 16V engine• 8-speed automatic transmission• Four-wheel drive• Off-road suspension capability• Four-wheel disc brakes• Electric power steering• Strong turbocharged power delivery• Smooth hauling and everyday truck performance• Built for work, travel, and off-road confidence• Proven midsize truck practicalityWhy drivers choose Port Lavaca Auto Group for their next vehicle• Trusted dealership serving Texas drivers with transparent, pressure-free buying experiences• Large selection of quality SUVs, trucks, and cars ready for immediate delivery• Knowledgeable product specialists who help match drivers with the right vehicle• Flexible financing options for a wide range of buyers• Ongoing customer support and service after the sale• Strong reputation backed by consistent five-star Google reviewsCustomer Review HighlightWe shopped around quite a bit before buying, and Port Lavaca Auto Group stood out right away. They were professional, easy to talk to, and made sure everything was clear from start to finish. Heather W., March 2026From its strong 310-horsepower turbocharged performance and 4WD capability to its AT4 styling and premium Crew Cab interior, the 2024 GMC Canyon is built for drivers who want midsize truck utility, modern comfort, and off-road-ready confidence in a pickup that still knows how to look right.(more)| Mileage | 29,444 |
| Trim | AT4 |
| Stock # | R1121013TV |
| VIN | 1GTP6DEK1R1121013 |
| Exterior Color | Solar Flare Metallic |
| Interior Color | Jet Black/Timber |
| Drivetrain | 4WD |
Description
The 2021 GMC Sierra 1500 SLT in Onyx Black with Jet Black interior delivers premium full-size truck comfort, smooth diesel-style torque, and practical 4WD capability for drivers…The 2021 GMC Sierra 1500 SLT in Onyx Black with Jet Black interior delivers premium full-size truck comfort, smooth diesel-style torque, and practical 4WD capability for drivers who want more than just a plain work truck. Powered by a 3.0L I6 engine and paired with a 10-speed automatic transmission, this Sierra SLT offers confident towing and hauling ability, composed highway manners, and the kind of upscale everyday drivability that makes it feel equally at home on the ranch, the road, or the jobsite. With 90,275 miles, this Crew Cab still brings strong value, broad buyer appeal, and premium truck utility in a package that knows how to work without feeling stripped down.Entertainment and Connectivity Features• Large touchscreen infotainment display• Apple CarPlay integration• Android Auto integration• Bluetooth hands-free connectivity• USB charging and media ports• Steering wheel mounted audio and phone controls• Voice recognition capability• Wi-Fi hotspot capability• Navigation capability• Digital driver information displayAdded Features• SLT trim package• Onyx Black exterior• Jet Black interior• Four-wheel drive capability• 3.0L I6 performance• Crew Cab configuration• Premium interior appointments• Strong towing and hauling appeal• Broad personal-use and work-truck versatility• Clean upscale GMC stylingSafety Features• Automatic Emergency Braking• Forward Collision Alert• Lane Keep Assist with Lane Departure Warning• Following Distance Indicator• HD rear vision camera• Electronic Stability Control• Anti-lock braking system• Tire pressure monitoring system• Advanced airbag system• Teen Driver capabilityStandard Features• LED headlamps and LED daytime running lights• Premium alloy wheels• Dual-zone automatic climate control• Power windows and door locks• Push-button start capability• Spacious Crew Cab interior• Fold-up rear seating for added interior flexibility• Tilt and telescoping steering wheel• Rear seat air vents• SLT-specific upscale styling accentsMechanical Features• 3.0L I6 engine• 10-speed automatic transmission• Four-wheel drive• Heavy-duty suspension capability• Four-wheel disc brakes• Electric power steering• Strong towing and hauling performance• Smooth power delivery for daily driving and heavy use• Built for work, travel, and everyday truck use• Proven full-size truck practicalityWhy drivers choose Port Lavaca Auto Group for their next vehicle• Trusted dealership serving Texas drivers with transparent, pressure-free buying experiences• Large selection of quality SUVs, trucks, and cars ready for immediate delivery• Knowledgeable product specialists who help match drivers with the right vehicle• Flexible financing options for a wide range of buyers• Ongoing customer support and service after the sale• Strong reputation backed by consistent five-star Google reviewsCustomer Review HighlightWe shopped around quite a bit before buying, and Port Lavaca Auto Group stood out right away. They were professional, easy to talk to, and made sure everything was clear from start to finish. Heather W., March 2026From its practical 4WD capability and premium SLT trim to its roomy Crew Cab comfort and strong everyday truck utility, the 2021 GMC Sierra 1500 is built for drivers who want full-size truck strength, upscale comfort, and value in a pickup that still knows how to earn its keep.(more)| Mileage | 90,275 |
| Trim | SLT |
| Stock # | MG385874 |
| VIN | 3GTU9DET6MG385874 |
| Exterior Color | Onyx Black |
| Interior Color | Jet Black |
| Drivetrain | 4WD |
Dealership Information
Disclaimer
*All pricing and details are believed to be accurate, but we do not warrant or guarantee such accuracy. The prices shown above may vary from region to region, as will incentives, and are subject to change. Vehicle information is based off standard equipment and may vary from vehicle to vehicle. Call or email for complete vehicle information. All specifications, prices and equipment are subject to change without notice. Prices and payments do not include tax, titles, tags, finance charges, documentation charges, emissions testing charges, or other fees required by law, vehicle sellers or lending organizations.
Based on 2021 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.
While every effort has been made to ensure display of accurate data, the vehicle listings within this website may not reflect all accurate vehicle items. Accessories and color may vary. All inventory listed is subject to prior sale. The vehicle photo displayed may be an example only. Vehicle Photos may not match exact vehicles. Please confirm vehicle price with Dealership. See Dealership for details.
*Manufacturer’s Rebate subject to residency restrictions. Any customer not meeting the residency restrictions will receive a dealer discount in the same amount of the manufacturer’s rebate.
Price valid through 06/13/2026
