Auto Locators of Texas

4460 TRADITION TRAIL, Plano, TX 75093
4.8
4.8 out of 5 stars

Used 2021 GMC Sierra 1500 SLT

77,676 miles
For Sale:$36,883
Estimated payment:$836/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score
  • Truck
  • Pickup
  • Crew Cab
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    77,676miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    4(2019 - 2026)
  • Trim
    SLT
  • Drivetrain
    4X4
  • Transmission
    Automatic
  • Exterior Color
    [GJI] Dark Sky Metallic
  • Interior Color
    Dark Walnut Slate (Gray)Factory Paint Code:HVE
  • Size Segment
    1/2 Ton
  • Doors
    4
  • Max Seating
    6
  • Weight Class
    6,000-10,000 lbs. (2)
  • NHTSA Safety Ratings
    4
    4 out of 5 stars
  • Final Assembly Point
    Fort Wayne, Indiana
  • VIN
    1GTU9DET5MZ241863

Engine

6

Message from the seller

2021 GMC SIERRA 1500 SLT DIESEL 4X4 CERTIFIED VEHICLE WITH WARRANTY CLEAN CARFAX ONE OWNER TEXAS OWNED VEHICLE POWER SUNROOF TEXAS EDITION PREMIUM PLUS PACKAGE LANE KEEP ASSIST BLIND SPOT MONITOR HEATED SEATS AC COOLED SEATS PARK ASSIST NAVIGATION BACKUP CAMERA Push to Start Remote Start Lumbar Support Heated Steering Wheel Collision Warning System Steering Wheel Controls Bluetooth Technology Hands-Free Communication Bose Premium Sound Dual Climate Control Air Conditioning Satellite Radio AM/FM Radio Power Memory Seats Power Windows/Locks Power Mirrors Cruise Control Traction Control External Temperature Two Keys Automatic Transmission Duramax 3.0L Diesel Turbo I6 277hp 460ft. Lbs. Engine Well Maintained Very Clean! Professionally Detailed And Much More!! CERTIFIED VEHICLE WITH WARRANTY *** After 25 years in business, we've streamlined the buying process to be completely hassle and stress free. Why wait? We can have you in and out in as little as 45 minutes from the time you step into the dealership to the time you drive away in your new vehicle. Our customers' great reviews have a common theme, great prices, quality vehicles and an efficient no hassle environment. Just look on Yelp and Google to read what our 10,000 plus happy customers are saying about Auto Locators of Texas! Auto Locators of Texas has been in business for over 25 years, and we pride ourselves on our friendly, no-pressure approach to selling vehicles. We offer a wide selection of the highest quality used cars, trucks, and SUV's. Our finance department works hard to find every customer the best deal. Trade-ins are always welcome so we can answer your question of "what is my trade worth". We offer a wide variety of services from detailing, ding repair, body shop, service, and extended service contracts. Please take a look at our website at www.alttx.com. We hope to see you soon! WE HOPE TO SEE YOU SOON!

* Based on opinions and should be considered as general guidance only.

  • Reliability (3)
    3 out of 5 stars
    While generally solid, some owners have reported minor electrical glitches or issues with certain advanced features. Overall, it's considered average for the segment, but not class-leading.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs are typical for a full-size truck, with regular oil changes and tire rotations being the primary expenses. Parts can be moderately priced, and specialized repairs might be more costly due to the vehicle's size and complexity.
  • Technology (4)
    4 out of 5 stars
    The infotainment system is user-friendly with a responsive touchscreen and good integration for Apple CarPlay and Android Auto. Available features like the multi-color head-up display and various camera views enhance convenience and safety.
  • Comfort (4)
    4 out of 5 stars
    The interior is spacious and well-appointed, especially in the SLT trim. Seats are comfortable for long journeys, and the cabin remains relatively quiet at highway speeds, contributing to a pleasant experience for both driver and passengers.
  • Dynamics (4)
    4 out of 5 stars
    The 2021 GMC Sierra 1500 SLT offers a surprisingly composed ride for a full-size truck, with responsive steering and adequate power from its available engines. While not a sports car, it handles daily driving and light towing with confidence.

  • Seating:

    • Seating Rows:2
    • Standard Seating:6
    • Max Seating:6
    • Leg Room (front):44.5in.
    • Leg Room (rear):43.4in.
  • Measurements:

    • Width:81.2in.
  • Weight:

    • Gross Weight:7,100lbs
  • Wheels & Tires:

    • Tire:265/65R18
  • Fuel Tank:

    • Fuel Tank Volume:24gallon

2021 GMC Sierra 1500: A Comprehensive Overview

The 2021 GMC Sierra 1500 stands as a formidable contender in the full-size pickup truck segment, known for its premium appointments, robust capabilities, and advanced technology. This model year brought several key updates that further cemented its position as a refined and powerful workhorse.

Highlights

  • Engine Options: The Sierra 1500 offers a diverse range of powertrains to suit various needs:

    • 2.7L Turbo I4: This engine provides a good balance of power and efficiency, suitable for everyday driving and lighter towing tasks.
    • 5.3L V8: A classic choice, this engine offers strong performance and towing capability for most typical truck uses.
    • 6.2L V8: For those demanding maximum power and towing prowess, this larger V8 delivers exhilarating acceleration and class-leading towing capacity.
    • 3.0L Duramax Turbo-Diesel I6: This option offers exceptional fuel economy and torque, making it ideal for long-haul towing and maximizing range.
  • Safety Features: GMC equips the Sierra 1500 with a suite of advanced driver-assistance systems designed to enhance safety and confidence:

    • Automatic Emergency Braking: This system automatically applies the brakes to help mitigate or avoid a frontal collision.
    • Forward Collision Alert: Warns the driver of an impending frontal collision, allowing for timely reaction.
    • Lane Keep Assist with Lane Departure Warning: Helps keep the vehicle centered within its lane and alerts the driver if it drifts out.
    • Following Distance Indicator: Displays the following time to the vehicle ahead, promoting safer driving distances.
    • Adaptive Cruise Control: Automatically adjusts the vehicle's speed to maintain a set distance from the vehicle in front.
  • Trim Level Summary: The 2021 Sierra 1500 is available in a spectrum of trims, each offering a distinct blend of features and luxury:

    • Pro: The foundational trim, offering essential functionality for work-oriented buyers.
    • SLE: Elevates the Pro with more creature comforts and advanced technology, a solid all-around choice.
    • Elevation: Boasts a more aggressive and stylish exterior design with premium wheels and badging.
    • SLT: Introduces higher-end features like leather-appointed seating and advanced infotainment options for a more refined experience.
    • AT4: Off-road focused, featuring a 2-inch factory lift, Rancho® monotube suspension, skid plates, and all-terrain tires for enhanced capability on challenging terrain.
    • Denali: The pinnacle of luxury, offering premium materials, exclusive styling cues, advanced comfort features, and the most powerful engine options.
  • Other Notable Aspects:

    • Multi-Pro Tailgate: A class-exclusive six-function tailgate that offers unparalleled versatility for loading, unloading, and accessing the bed.
    • CarbonPro™ Carbon Fiber Bed: Available on some trims, this innovative bed material is stronger, lighter, and more durable than traditional steel.
    • Bed View Camera: Provides a high-definition view of the truck bed, aiding in hooking up trailers and monitoring cargo.
    • Heads-Up Display (HUD): Projects key driving information (speed, navigation, alerts) onto the windshield, allowing drivers to keep their eyes on the road.

What to Expect

Owning a 2021 GMC Sierra 1500 generally provides a comfortable and capable experience. Its refined interior, particularly on higher trims, offers a car-like feel with good ergonomics and ample space for passengers. The ride quality is commendable, even when unladen, thanks to its well-tuned suspension. For those who regularly tow or haul, the Sierra 1500 delivers robust performance and stability.

  • Maintenance: Routine maintenance will include oil changes, tire rotations, and fluid checks, typical for any full-size truck. The diesel engine may require specific diesel fuel filters and additive maintenance. GMC's dealer network is extensive, making servicing readily accessible.
  • Insurance: Insurance costs for the Sierra 1500 will vary based on the chosen trim, engine, your driving record, location, and coverage levels. As a premium full-size truck with advanced features, it will likely fall into a mid-to-higher cost bracket for insurance compared to smaller vehicles.

Potential Considerations

While the Sierra 1500 is a highly desirable truck, potential buyers should be aware of a few aspects:

  • Infotainment System: While the infotainment system is generally user-friendly, some reviews have noted that its responsiveness could be slightly quicker at times.
  • Interior Noise (Diesel): While the Duramax diesel is remarkably quiet for a diesel engine, some occupants might still notice a bit more engine noise than in a gasoline-powered counterpart, especially during hard acceleration.
  • Fuel Economy (V8s): While the V8 engines offer great power, their fuel economy will be commensurate with their size, especially in city driving or when towing.
  • Some Exterior Styling Cues: While many appreciate the Sierra's bold styling, some may find certain design elements, like the grille or headlights, to be a bit polarizing.

Overall Summary

The 2021 GMC Sierra 1500 is a well-rounded and highly capable full-size pickup truck that excels in offering a blend of luxury, technology, and rugged performance. With its diverse powertrain options, innovative features like the Multi-Pro Tailgate, and a comprehensive suite of safety systems, it caters to a wide range of needs, from hard work to comfortable family transport. For those seeking a premium and feature-rich truck experience, the 2021 Sierra 1500 is an excellent choice.

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Listed on April 23, 2026 (a day ago)
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Cruz™ Disclaimer: Vehicle details shown on this site are provided by sellers or third parties. Cruz™ does not independently verify this information and is not liable for its accuracy. All services and content are offered without any warranty, either expressed or implied. Learn more here.MPG & Max Range: Fuel economy estimates are provided by the EPA and are intended for comparison purposes only. Your actual mileage will vary depending on driving conditions, vehicle condition, and other factors.Price: Prices shown may not include taxes, fees, or other charges. Prices and availability are subject to change without notice. Contact the seller for the most current pricing information.Options & Features: Installed options may not be shown. Contact the seller for more information about available features and options.