Used 2021 GMC Sierra 1500 SLT
23,187 mi.
Vehicle Details
This bold and refined 2021 GMC Sierra 1500 SLT combines premium styling with serious capability. Finished in Quicksilver Metallic and matched with a Jet Black interior, this crew Cab truck is powered by a robust 5.3L EcoTec3 V8 engine paired to an 8-speed automatic transmissionready for work, adventure, and everything in between.
Entertainment & Technology Features
GMC Premium Infotainment System with 8″ HD Color Touchscreen
Wireless Apple CarPlay & Android Auto
Bluetooth® Audio Streaming
ProGrade Trailering System
SiriusXM Radio Capable with Trial Subscription
OnStar Services with 4G LTE Wi-Fi Availability
USB Ports with SD Card Reader
Color Driver Info Center
120V Power Outlets (Cargo Bed & Instrument Panel)
Keyless Open & Start with Remote Start
Added Features
20″ Polished Aluminum Wheels
Quicksilver Metallic Paint
Rear Underseat Storage (Dealer Installed)
All-Terrain Tires
Safety Features
HD Rear Vision Camera
Teen Driver Mode
Tire Pressure Monitoring System with Tire Fill Alert
StabiliTrak with Trailer Sway Control & Hill Start Assist
Trailer Brake Controller
Standard Features
Interior:
Dual-Zone Climate Control with Rear HVAC Vents
Heated Front Seats & Heated Leather-Wrapped Steering Wheel
10-Way Power Driver Seat with Memory
Rear 60/40 Folding Bench Seat with Storage Package
Front 40/20/40 Bench Seat with Underseat Storage
Exterior:
GMC MultiPro Tailgate
LED Reflector Headlamps, Fog Lamps, and Signature Taillamps
Power Folding & Heated Mirrors with Auto-Dim
Rear Window Defogger & Rear Wheelhouse Liners
CornerStep Rear Bumper with 12 Fixed Cargo Tie-Downs
Mechanical:
Auto Locking Rear Differential
Autotrac Transfer Case with Terrain Mode
Trailer Tow Package
170-Amp Alternator
Brake Pad Monitoring
Why Buy From Port Lavaca Auto Group?
Transparent and pressure-free buying experience
Competitive pricing on all vehicles
Highly rated on Google with hundreds of 5-star reviews
Expert staff with deep product knowledge
Convenient financing and trade-in options
Exceptional selection of trucks, cars, and SUVs
Award-winning service and maintenance center
Locally trusted and community-focused
We treat our customers like family
Proudly serving Texas drivers for years
Google Review Highlight
“From the moment I walked in, the team made me feel welcome. James and the crew made my truck-buying experience easy, fast, and honest. iM thrilled with my New Sierra!” Ashley M., May 2, 2025
Discover why more Texans trust Port Lavaca Auto Group for their next vehicle where integrity, value, and top-tier service come standard.
Standard Features
- Preferred Equipment Group 4SA
- Trailering Package
- 6 Speakers
- 6-Speaker Audio System Feature
- AM/FM radio: SiriusXM with 360L
- Not Equipped w/HD Radio
- 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
- 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
- Front License Plate Kit
- Heated door mirrors
- LED Cargo Area Lighting
- Power door mirrors
- ProGrade Trailering System
- Rear step bumper
- Rear Wheelhouse Liners
- 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
- 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
- Rear Underseat Storage (LPO)
- 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
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Perf Leather-Appointed Front Outboard Seat Trim
- Power passenger seat
- Split folding rear seat
- 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
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- **CARFAX 1 OWNER**
- **CLEAN CARFAX**
- **LOCAL TRADE**
- **NON SMOKER**
VEHICLE DATA
Certain specifications, prices and equipment data have been provided under license from Chrome Data Solutions (\’Chrome Data\’). © 2025 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.
