K1 Motors

1203 Basse Rd, San Antonio, TX 78212
4.6
4.6 out of 5 stars

Used 2021 GMC Sierra 1500 SLT

139,673 miles
For Sale:Price Unknown
  • Truck
  • Pickup
  • Crew Cab
  • Condition
    Used
  • Mileage
    139,673miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    4(2019 - 2026)
  • Trim
    SLT
  • Drivetrain
    4X2
  • Transmission
    8-Speed Shiftable Automatic
  • MPG
    15 city22 highwayMax range: 528 miles
  • Exterior Color
    Summit White (White)Factory Paint Code:GAZ
  • Upholstery
    Leather
  • Size Segment
    1/2 Ton
  • Doors
    4
  • Max Seating
    6
  • Max Towing Capacity
    11,200lbs.
  • Weight Class
    6,000-10,000 lbs. (2)
  • Bed Length
    69.9in.
  • Ground Clearance
    7.9inch
  • NHTSA Safety Ratings
    4
    4 out of 5 stars
  • Final Assembly Point
    Silao, Mexico
  • VIN
    3GTP8DED2MG203905
  • Starting MSRP
    $47,500

Engine5.3L V8 Gasoline 355hp

  • Fuel Type:Gasoline
  • Fuel Quality:87
  • Max Horsepower:355 hp @ 5600 rpm
  • Power to Weight Ratio:13.58lbs/hp
  • Max Torque:383 ft.lbf @ 4100 rpm
  • Brand:EcoTec3
  • Displacement:5.3liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Naturally Aspirated
  • Fuel Induction:Direct Injection
  • Redline:5,800rpm
  • Oil Capacity:7.6liters
  • Cam Type:OHV
  • Stroke:3.62
  • Bore:3.78
  • Valves:16

* 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.

  • Comfort & Seating:

    • Heated Seats
    • Heated Steering Wheel
    • Power Seats
  • Convenience:

    • 115V Power Outlet
    • Automatic Climate Control
    • Remote Start
  • Entertainment:

    • Bluetooth
    • Satellite Radio
  • Exterior:

    • Heated Mirrors
    • Tinted Windows
  • Other:

    • Trailer Hitch
  • Safety:

    • Backup Camera
    • Tire Pressure Monitoring
  • Technology:

    • Android Auto

  • Air Conditioning

    • Front air conditioning: automatic climate control
    • Front air conditioning zones: dual
    • Rear vents: second row
    • Air filtration
  • Airbags

    • Airbag deactivation: occupant sensing passenger
    • Side airbags: front
    • Front airbags: dual
    • Side curtain airbags: front
    • Side curtain airbags: rear
  • Audio System

    • Radio: voice operated
    • Auxiliary audio input: Bluetooth
    • Radio: touch screen display
    • Antenna type: diversity
    • Antenna type: mast
    • Total speakers: 6
    • Radio: AM/FM
    • Radio data system
    • Speed sensitive volume control
    • Auxiliary audio input: USB
    • Auxiliary audio input: memory card slot
    • Auxiliary audio input: iPod/iPhone
    • Satellite radio: SiriusXM
  • Brakes

    • Rear brake type: ventilated disc
    • Front brake width: 1.18
    • Rear brake diameter: 14.2
    • Front brake diameter: 13.6
    • Front brake type: ventilated disc
    • Braking assist
    • Electronic brakeforce distribution
    • ABS: 4-wheel
    • Power brakes
    • Rear brake width: 0.79
  • Comfort Features

    • Floor mat material: carpet
    • Heated steering wheel
    • Steering wheel trim: leather
    • Door trim: simulated wood
    • Armrests: rear folding
    • Armrests: rear center with cupholders
    • Armrests: front center
    • Floor mats: rear
    • Floor mats: front
    • Floor material: carpet
  • Convenience Features

    • Power outlet(s): USB front
    • Power outlet(s): USB rear
    • Cupholders: front
    • Memorized settings: 2 driver
    • Steering wheel: tilt and telescopic
    • Power outlet(s): 115V cargo area
    • One-touch windows: 4
    • Reading lights: front
    • Power outlet(s): 12V rear
    • Cruise control
    • Power steering
    • Multi-function remote: panic alarm
    • Power windows: lockout button
    • Steering wheel mounted controls: audio
    • Memorized settings: driver seat
    • Multi-function remote: vehicle and key memory
    • Memorized settings: side mirrors
    • Push-button start
    • Vanity mirrors: dual illuminating
    • Power outlet(s): 12V front
    • Assist handle: rear
    • Remote engine start
    • Rearview mirror: auto-dimming
    • Steering wheel mounted controls: cruise control
    • Steering wheel mounted controls: phone
    • Steering wheel mounted controls: multi-function
    • Easy entry: power driver seat
    • Power outlet(s): 115V front
    • Storage: front seatback
    • Assist handle: front
    • Storage: under rear seats
    • Storage: door pockets
    • Multi-function remote: proximity entry system
    • Cupholders: rear
    • Steering wheel mounted controls: voice control
    • Capless fuel filler system
    • Storage: in seat cushion
  • Drivetrain

    • Drive mode selector
    • Axle ratio: 3.23
    • Locking differential: rear
  • Engine

    • Auto start/stop
    • Battery saver
    • Battery: heavy duty
    • Battery: maintenance-free
    • Battery rating: 730 CCA
    • Alternator: 170 amps
  • Exterior Features

    • Active grille shutters
    • Pickup bed light: LED
    • Tailgate: power locking
    • Tailgate: power open
    • Tailgate: multi-function split-folding
    • Bumper detail: rear integrated corner step
    • Door handle color: chrome
    • Mirror color: chrome
    • Grille color: chrome
    • Grille color: chrome surround
    • Tailgate: removable
    • Exhaust tip color: stainless steel
    • Tailgate: lift assist
    • Rear bumper color: chrome
    • Fender lip moldings: black
    • Window trim: chrome
    • Front bumper color: chrome
    • Tailgate: step
  • In Car Entertainment

    • Connected in-car apps: Google POIs
    • Connected in-car apps: Google search
    • Connected in-car apps: app marketplace integration
    • Infotainment: GMC Infotainment System
    • Infotainment screen size: 8 in.
    • Smartphone integration: wireless Apple CarPlay
    • Smartphone integration: wireless Android Auto
  • Instrumentation

    • Warnings and reminders: low battery
    • Instrument cluster screen size: 4.2 in.
    • Warnings and reminders: lamp failure
    • Warnings and reminders: low oil pressure
    • Warnings and reminders: coolant temperature warning
    • Clock
    • Powertrain hour meter
    • Gauge: tachometer
    • Compass
    • Digital odometer
    • External temperature display
    • Multi-function display
    • Gauge: oil pressure
    • Fuel economy display: MPG
    • Fuel economy display: range
    • Warnings and reminders: low fuel level
    • Warnings and reminders: maintenance due
    • Trip odometer
  • Lights

    • Daytime running lights: LED
    • Front fog lights: LED
    • Taillights: LED
    • Exterior entry lights: puddle lamps
    • Exterior entry lights: approach lamps
    • Headlights: LED
    • Headlights: wiper activated
    • Headlights: auto delay off
    • Headlights: auto on/off
  • Mirrors

    • Side mirror adjustments: power
    • Side mirrors: heated
    • Side mirror adjustments: reverse gear tilt
    • Side mirror adjustments: power folding
    • Side mirrors: driver side auto-dimming
  • Safety

    • Rearview monitor: in dash
    • Check rear seat reminder
    • Child safety door locks
    • Child seat anchors: LATCH system
    • Camera system: rearview
    • Programmable safety key
  • Seatbelts

    • Seatbelt pretensioners: front
    • Seatbelt warning sensor: front
    • Rear seatbelts: 3-point
    • Front seatbelts: 3-point
    • Emergency locking retractors: front
  • Seats

    • Driver seat power adjustments: height
    • Passenger seat power adjustments: height
    • Passenger seat: heated
    • Driver seat: heated
    • Driver seat power adjustments: 10
    • Rear headrests: 3
    • Front headrests: 2
    • Passenger seat power adjustments: 10
    • Front seat type: 40-20-40 split bench
    • Rear seat type: 60-40 split bench
    • Upholstery: leather-trimmed
    • Front headrests: adjustable
    • Driver seat power adjustments: lumbar
    • Passenger seat power adjustments: lumbar
    • Rear seat folding: folds up
    • Rear headrests: foldable
    • Upholstery accents: perforated
    • Driver seat power adjustments: reclining
    • Passenger seat power adjustments: reclining
  • Security

    • Anti-theft system: alarm
    • Power door locks: anti-lockout
    • Anti-theft system: vehicle immobilizer
    • Power door locks: auto-locking
  • Stability and Traction

    • Stability control
    • Traction control
    • Hill holder control
    • Roll stability control
    • Trailer stability control
  • Suspension

    • Front suspension classification: independent
    • Rear suspension classification: solid live axle
    • Rear spring type: leaf
    • Front spring type: coil
    • Rear suspension type: multi-leaf
    • Rear shock type: twin-tube gas
    • Front struts
    • Front stabilizer bar: diameter 33 mm
    • Front suspension type: upper and lower control arms
    • Front shock type: twin-tube gas
  • Telematics

    • Electronic messaging assistance: with read function
    • Electronic messaging assistance: voice operated
    • Satellite communications: voice guided directions
    • Wi-Fi: hotspot
    • Driver assistance app: roadside assistance
    • Smart device app function: maintenance status
    • Smart device app compatibility: myGMC with Connected Access
    • Satellite communications: OnStar
    • Wireless data link: Bluetooth
    • Hands-free phone call integration: voice operated
  • Tires and Rims

    • Tire type: all season
    • Spare tire mount location: underbody
    • Spare wheel type: steel
    • Tire Pressure Monitoring System
    • Spare tire size: full-size
    • Wheels: aluminum alloy with painted accents
  • Towing and Hauling

    • Tow/Haul mode
    • Pickup bed cargo management: tie-down anchors
    • Trailer hitch
    • Trailer wiring: 4-pin
    • Trailer wiring: 7-pin
    • Trailer brake controller
  • Windows

    • Window defogger: rear
    • Front wipers: variable intermittent
    • Tinted glass
    • Power windows: safety reverse

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 (5 hours ago)
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