Riverside Chevrolet & GMC

5273 US Hwy 2 & 41, Escanaba, MI 49829
4.5
4.5 out of 5 stars

Certified Used 2021 GMC Sierra 1500 AT4

36,060 miles
For Sale:$45,999

$13,996(-23.3%)price drop

Estimated payment:$1,043/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $37,800 and $44,400, while the current price is $45,999.$37,800 - $44,400$45,999
  • Priced at $45,999, this vehicle is $1,599 above the high end of its fair market value of $44,400.

  • The current fair market price range is between $37,800 to $44,400.

  • It has 36,060 miles, which is 37,040 (51%) below the median mileage of 73,100.

Note: This is an estimate based on a variety of factors (experimental feature). It is intended to provide a fair market value range to help guide your buying decision.

View Full Value Report

SequenceDatePrice ChangeCurrent Price
1.3/24/2026 (a month ago)$59,995
2.3/25/2026 (a month ago)-$13,996 (-23.3%)$45,999
  • Truck
  • Pickup
  • Crew Cab
  • Extended Front Legroom
  • Condition
    Certified Used
  • Mileage
    36,060miles
  • Aggregate Ratings
    3.8
    3.8 out of 5 stars
  • Generation
    4(2019 - 2026)
  • Trim
    AT4
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Satin Steel Metallic (Gray)Factory Paint Code:G9K
  • Interior Color
    Jet Black W Kalahari Accents (Black)Factory Paint Code:HVD
  • Size Segment
    1/2 Ton
  • Doors
    4
  • Max Seating
    5
  • NHTSA Safety Ratings
    4
    4 out of 5 stars
  • Final Assembly Point
    Silao, Mexico
  • VIN
    3GTP9EELXMG175507

Engine6.2L V8 Gasoline 420hp

  • Fuel Type:Gasoline
  • Fuel Quality:87
  • Max Horsepower:420 hp @ 5600 rpm
  • Max Torque:460 ft.lbf @ 4100 rpm
  • Brand:EcoTec3
  • Displacement:6.2liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Naturally Aspirated
  • Fuel Induction:Direct Injection
  • Redline:6,000rpm
  • Oil Capacity:7.6liters
  • Cam Type:OHV
  • Stroke:3.62
  • Bore:4.06
  • Valves:16

Message from the seller

Heated/Cooled Seats, NAV, Onboard Communications System, Satellite Radio, Back-Up Camera, 4x4, Alloy Wheels, Bed Liner READ MORE!KEY FEATURES INCLUDE4x4, Heated Driver Seat, Cooled Driver Seat, Back-Up Camera, Satellite Radio, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C, WiFi Hotspot, Heated Seats, Heated/Cooled Seats. Keyless Entry, Privacy Glass, Steering Wheel Controls, Electronic Stability Control, Heated Mirrors. GMC AT4 with Satin Steel Metallic exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 420 HP at 5600 RPM*.OPTION PACKAGESENGINE, 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency, AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window, (IOT) 8 diagonal Premium GMC Infotainment with navigation, (UQA) Bose Premium Audio System and (K4C) Wireless Charging, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8 DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory Note: (PZ8) Hitch Guidance with hitch view is included with trim.), SEATS, HEATED SECOND ROW OUTBOARD SEATS Standard on models built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.), TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.) (STD). AutoCheck One OwnerHorsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.

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 March 24, 2026 (a month ago)
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This Certified Used 2021 GMC Sierra 1500 AT4 is available for drivers in Escanaba, Gladstone ...

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