Used 2021 GMC Sierra 1500 SLT
48,249 mi.
Vehicle Details
Entertainment & Connectivity
• GMC Premium Infotainment System with 8-inch HD touchscreen
• Wireless Apple CarPlay
• Wireless Android Auto
• Bluetooth® audio streaming
• Voice recognition technology
• In-vehicle apps and personalization capability
• SiriusXM radio capability
• USB ports with SD card reader
• 120V power outlet in cargo Bed and instrument panel
• Color Driver Information Center display
Added Features
• Texas Edition Package
• SLT Premium Package with ventilated front seats, rear sliding power window, universal home remote, rear heated outboard seats, front bucket seats with center console, additional USB ports with auxiliary input, 20-inch polished aluminum wheels, chrome assist steps, and Texas Edition badging
• Satin Steel Metallic exterior finish
• All-Terrain tires
Safety Features
• HD Rear Vision Camera
• Teen Driver technology
• Tire Pressure Monitoring System with Tire Fill Alert
• StabiliTrak stability control with trailer sway control
• Hill start assist
• Brake Pad monitoring system
Standard Features
• GMC MultiPro tailgate
• Dual-zone automatic climate control
• Heated front seats
• Power folding and heated exterior mirrors with auto-dimming
• Keyless open and push-button start
• Remote start system
• LED signature headlamps with daytime running lights
• LED fog lamps
• LED signature tail lamps
• Rear seat reminder system
Mechanical Features
• 5.3L EcoTec3 V8 engine
• 8-speed automatic transmission
• Four-wheel drive system
• Autotrac transfer case with terrain mode
• Automatic locking rear differential
• Trailering package
• Integrated trailer brake controller
• 170-amp alternator
• Rear axle 3.23 ratio
• Heavy-duty suspension with trailer sway control
Reasons to Shop and Buy Your Next Vehicle at Port Lavaca Auto Group
• Local, family-owned dealership focused on customer relationships
• Large selection of quality trucks and SUVs ready for immediate delivery
• Friendly product specialists who focus on helping rather than pressuring
• Transparent vehicle history and thorough inspections on every vehicle
• Convenient financing options for a wide range of credit situations
• Ongoing service support from factory-trained technicians
• A reputation for treating customers like neighbors, not numbers
Our dealership is also known for its outstanding online reputation with consistent 5-star Google reviews from satisfied buyers. One recent review shared:
Absolutely the easiest truck purchase Ive ever made. The team treated me like family and had everything ready when I arrived. Ill definitely be back. Michael R., January 2026
If youre searching for a powerful, luxurious, and trailering-ready full-size pickup, this Sierra 1500 SLT delivers the perfect balance of V8 strength, advanced technology, and premium comfortmaking it an exceptional choice for drivers who expect more from their truck.
Standard Features
- Preferred Equipment Group 4SA
- SLT Convenience Package
- Texas Edition SLT Premium Package
- Trailering Package
- 6 Speakers
- 6-Speaker Audio System Feature
- AM/FM radio: SiriusXM with 360L
- Premium audio system: GMC Infotainment System
- Radio data system
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Memory seat
- Power driver seat
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Power steering
- Power windows
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Universal Home Remote
- Auto-Locking Rear Differential
- Electrical Lock Control Steering Column
- Heavy Duty Suspension
- Manual Tilt-Wheel & Telescoping Steering Column
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Keyless Open & Start
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Power Door Locks
- Brake assist
- Electronic Stability Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- 170 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Not Equipped w/Dynamic Fuel Management
- Auto-dimming door mirrors
- Bumpers: chrome
- Chrome Grille
- Chrome Wheel To Wheel Assist Steps
- Front License Plate Kit
- Heated door mirrors
- LED Cargo Area Lighting
- Power door mirrors
- ProGrade Trailering System
- Rear step bumper
- Rear Wheelhouse Liners
- Texas Edition Badging
- 2 USB Ports
- 2 USB Ports (1st Row)
- 4G LTE Wi-Fi Hotspot Capable
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Color-Keyed Carpeting Floor Covering
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Front reading lights
- GMC Connected Access Capable
- Heated steering wheel
- Illuminated entry
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Dual USB Charging-Only Ports
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Voltmeter
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front 40/20/40 Split-Bench Seat
- Front Bucket Seats
- Heated 2nd Row Outboard Seats
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Perf Leather-Appointed Front Outboard Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Front Center Armrest w/Storage
- Passenger door bin
- Front Frame-Mounted Black Recovery Hooks
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- Integrated Trailer Brake Controller
- 20″ x 9″ Polished Aluminum Wheels
- Alloy wheels
- Wheels: 18″ x 8.5″ 6-Spoke Machined Aluminum
- Deep-Tinted Glass
- Power Sliding Rear Window w/Rear Defogger
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
VEHICLE DATA
Certain specifications, prices and equipment data have been provided under license from Chrome Data Solutions (\’Chrome Data\’). © 2026 Chrome Data Solutions, LP. All Rights Reserved. This information is supplied for personal use only and may not be used for any commercial purpose whatsoever without the express written consent of Chrome Data. Chrome Data makes no guarantee or warranty, either expressed or implied, including without limitation any warranty of merchantability or fitness for particular purpose, with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.
ESTIMATE MPG
EPA mileage ratings are supplied by Chrome Data Solutions, LP for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.
Based on 2019 EPA mileage ratings. Your MPGe/MPG and driving range will vary depending on driving conditions, how you drive and maintain your vehicle, battery-pack age/condition, and other factors.
PRICING
Vehicle pricing is believed to be accurate. Tax, title and registration are not included in prices shown unless otherwise stated. Manufacturer incentives may vary by region and are subject to change. Vehicle information & features are based upon standard equipment and may vary by vehicle. Monthly payments may be higher or lower based upon incentives, qualifying programs, credit qualifications, residency & fees. No claims, or warranties are made to guarantee the accuracy of vehicle pricing, payments or actual equipment. Call to confirm accuracy of any information.
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.
