Used 2021 GMC Sierra 1500 Crew Cab

  • Used
Giambalvo Hyundai of Hanover
Call 717-928-8466
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    The overview

    Exterior Color
    Onyx Black - GBA
    Interior Color
    Jet Black - H2X
    Odometer
    61,573 miles
    Body/Seating
    Crew Cab/5 seats
    Seats
    5 seats
    Transmission
    Automatic
    Engine
    EcoTec3 6.2L V-8 direct injection, variable valve control, premium gasoline, engine with cylinder de
    VIN
    3GTU9FEL8MG395477
    Stock Number
    750368B
    • Show Me the CARFAX 1-Owner Badge

    The highlights

    • Navigation system
    • Leather upholstery
    • Automatic temperature control
    • Premium audio system
    • Wireless phone connectivity
    • Parking sensors
    • Front dual zone A/C
    • Auto-dimming rearview mirror
    • Split folding rear seat
    • Memory seat
    • Heated front seats
    • Ventilated front seats

    A closer look at what’s included

    More pre-installed items

    • Driver Alert Package I
    • Driver Alert Package II
    • Preferred Equipment Group 5SA
    • CT/DE/ME/MD/MA/NJ/NY/OR/PA/RI/VT/WA Emissions Requirements

    We can come to you

    • Video walkaround

      Experience this vehicle via video call and ask us any questions you have.

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    • Test drive at home

      We’ll bring this vehicle to you for a no-obligation test drive.

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    • Home delivery

      We’ll deliver the vehicle you want to your home and help you complete the paperwork.

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    • 1-touch down
    • 1-touch up
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start: keyfob
    • Remote keyless entry
    • Speed control
    • Telescoping steering wheel
    • Tilt steering wheel
    • Adaptive suspension
    • Alloy wheels
    • Front anti-roll bar
    • Front wheel independent suspension
    • Power steering
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Premium audio system: GMC Infotainment System
    • Primary LCD size: 8.0"
    • Radio data system
    • Smart device integration: Android Auto/Apple CarPlay
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Wireless phone connectivity: Bluetooth
    • Front center armrest
    • Front seats: bucket
    • Genuine wood console insert
    • Genuine wood door panel insert
    • Heated front seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Cylinder deactivation
    • Drive type: four-wheel
    • Engine location: front
    • Fuel economy city: 16mpg
    • Fuel economy combined: 19mpg
    • Fuel economy highway: 22mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Standard fuel economy fuel type: gasoline
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 205mm (8.1")
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Door mirrors: chrome
    • Heated door mirrors
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Trailer hitch receiver
    • Trailer sway control
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,918mm (75.5")
    • Exterior length: 5,885mm (231.7")
    • Front headroom: 1,093mm (43.0")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,655mm (65.2")
    • Wheelbase: 3,744mm (147.4")
    • Appearance: analog
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Delay-off headlights
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: Front and Rear Park Assist front and rear
    • Rear reading lights
    • Rear window defroster
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross-Traffic Alert warning
    • Security system
    • Traction control
    This 2021 GMC Sierra 1500 Denali features a 4WD crew cab with a 147-inch short box, finished in striking Onyx Black with a Jet Black, Forge Perforated Leather-Appointed interior. Powered by a robust Ecotec3 6.2L V8 engine delivering 420 horsepower, it combines strong performance with advanced fuel-saving cylinder deactivation technology. The 10-speed automatic transmission enhances both power delivery and efficiency. Designed for comfort and convenience, this Sierra Denali includes heated second-row outboard seats and a power sunroof, ensuring a refined driving experience. The premium Bose 7-speaker sound system and the GMC Infotainment System with a touchscreen, Bluetooth wireless audio streaming, and internet radio capability provide excellent in-cabin entertainment. Equipped with trailering aids such as Hitch Guidance with Hitch View, a Trailer Tire Pressure Monitor System, and the In-Vehicle Trailering App, this truck eases towing tasks. Safety is prioritized with features like Front Pedestrian Braking, an HD Rear Vision Camera with Hitch View, Lane Keep Assist with Lane Departure Warning, Brake Assist, and Rear Collision Warning. A 120-volt bed-mounted power outlet adds versatility for work or recreation. This Sierra Denali balances powerful capability with premium comfort and advanced technology to meet the needs of discerning truck drivers.

    Peace of mind

    vehicle history report

    Vehicle history report

    • Title information
    • Odometer readings
    • Accident data (if applicable)
    • Service history
    • Vehicle usage
    • Recall information (if applicable)
    • Warranty status
    Free CarFax report

    A name you can trust

    Jack Giambalvo Mazda is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
    More about us

    KBB.com Consumer Reviews

    Kelley Blue Book Logo4.0out of 5 overall
    • 4.0

      Depreciation of 50%

      by Manny A on 10/28/2026 10:06:36 AM

      This is a amazing truck.. Comfortable lots of sensors Etc…. My truck has 30000 miles I when to trade in they offer $46000 I paid $86000 the depreciation is incredible I don’t buy new truck never again.…
    • 5.0

      2021 GMC SLT 4WD SIERRA, Great Truck

      by Ransom1 on 10/15/2026 4:18:42 PM

      This is my 8th truck. This is hands down the very best truck I’ve ever owned. Not only is it the best looking truck on the road I have never had it in the shop except for oil changes and scheduled maintenance. The silver does not show dirt or grime.…
    • 5.0

      Great 4 cylinder truck

      by Steve on 9/23/2026 2:01:15 AM

      I have only pulled a trailer one time and still got 18 mpg down doing 80 down the interstate. Otherwise this vehicle is used for commuting or recreating. I typically get 22-24 mpg driving MT highways to the mountains. The turbo has some spunk for getting up to speed and the five years I've had my truck no complaints.…
    With approved credit. Terms may vary. Vehicle pricing includes all offers and incentives. Tax, Title and Tags and $490 dealer doc fee not included in vehicle prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. You can easily do this by calling us at 717-985-7135 or by visiting us at the dealership.