2021 GMC Sierra 1500 SLT
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- Runde Chevrolet Buick GMC of Platteville
-
780 Il Hyw 35 N
East Dubuque, IL 61025
- Sales: 866-263-9421
- Service: 877-255-8792
- Parts: 877-255-8792
Vehicle Information
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Condition Used
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Body Style Crew Cab -
Exterior Color Quicksilver Metallic
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Interior Color Jet Black, Perforated Leather-Appointed Front Outboard Seat Trim
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Mileage 16,365
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City/Highway 14/20 MPG -
Engine Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder -
Transmission Automatic -
Fuel Type Diesel Fuel
Highlighted Features
- Bluetooth®
- Heated Steering Wheel
- Remote Start
- 4WD/AWD
- Android Auto
- Apple CarPlay
- Leather Seats
- Wi-Fi Hotspot
- Auto Dimming Mirror
- Emergency Brake Assist
- Rear View Camera
- Turbo Charged Engine
- Cruise Control
Dealer Comments
Discover exceptional value with this 2021 GMC Sierra 1500 SLT, a low-mileage gem located in Platteville, WI. With only 16,329 miles, this rugged 4WD pickup features a fuel-efficient 6-cylinder 3.0L diesel engine—perfect for towing, long drives, and tough Wisconsin winters. Ready to conquer trails or handle daily work, the Off-Road Package enhances capability and confidence on rough terrain. Inside, enjoy premium comfort with leather seats and a refined SLT cabin that combines style with utility. Apple CarPlay keeps your phone connected for navigation, music, and hands-free calls, while the back-up camera adds safety and convenience when parking or maneuvering heavy loads. Remote start ensures a warm, comfortable ride before you step inside on chilly Platteville mornings. This GMC Sierra offers the best price for its condition and features—competitively priced to sell quickly. Low mileage, diesel efficiency, and a loaded feature set make this an outstanding choice for buyers seeking reliability, performance, and modern tech in a capable 4WD truck. Whether you need a work-ready pickup or a weekend adventurer, this GMC Sierra 1500 SLT checks every box. Located in Platteville, WI, this 2021 GMC Sierra 1500 SLT is priced to move and ready for immediate delivery. Contact us today to schedule a test drive and experience why this low-mileage diesel GMC Sierra is the smart buy for discerning truck buyers.
Equipment
This model comes equipped with Android Auto for seamless smartphone integration on the road. The steering wheel audio controls on this vehicle keep the volume and station within easy reach. See what's behind you with the back up camera on it. This unit has a clean AutoCheck report. This GMC Sierra offers Apple CarPlay for seamless connectivity. This model keeps you comfortable with Auto Climate. This 2021 GMC Sierra 1500's AutoCheck: 1 owner, assurance of single-owner history for peace of mind. Bluetooth® technology is built into it, keeping your hands on the steering wheel and your focus on the road. Never get into a cold vehicle again with the remote start feature on the GMC Sierra. The leather seats in this model are a must for buyers looking for comfort, durability, and style. An off-road package is equipped on the GMC Sierra. This model is pure luxury with a heated steering wheel.
Packages
X31 Off-Road and Protection Package: 20" X 9" Polished Aluminum Wheels; 275/60R20SL AT BW Tires; Spray-On Pickup Bed Liner with GMC Logo; All-Weather Floor Liner. X31 Off-Road Package: 2-Speed Transfer Case; Hill Descent Control; Dual Exhaust with Premium Tips; Off-Road Suspension; Skid Plates; Heavy-Duty Air Filter; X31 Hard Badge. Preferred Equipment Group 4SA: LED Cargo Area Lighting; Remote Vehicle Starter System; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Chrome Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Compass; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Front 40/20/40 Split-Bench Seat; Heated Driver and Front Outboard Passenger Seating; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; Deep-Tinted Glass; Premium GMC Infotainment System Radio with Multi-Touch; Power Rear Windows with Express Down; Integrated Trailer Br
All Features
- Steering-wheel mounted controls
- Allow the driver to easily operate the audio system and phone interface controls
- May require additional optional equipment
- HD Radio
- Provides consumers with additional channels known as HD2, HD3 and HD4
- Transmits Program Service Data, such as song titles and artist information
- Certain 21MY vehicles will not be equipped with HD Radio. Contact a dealer for details on a specific vehicle
- 4G LTE Wi-Fi® hotspot capable
- Terms and limitations apply. See onstar.com or dealer for details.
- Terms and limitations apply. See onstar.com or dealer for details.
- May require additional optional equipment
- Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
- Can use Apple CarPlay1 and Android Auto2 wirelessly
- Apple CarPlay vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks for Apple Inc, registered in the U.S. and other countries.
- Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you'll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.
- May require additional optional equipment
- Bluetooth娨
- Pair your compatible mobile phone to your vehicle's infotainment system1
- Place and receive hands-free phone calls
- Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
- With streaming audio capability, you can listen to files stored on your phone or Bluetooth® digital media device
- 6-speaker audio system
- Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
- 8" diagonal Premium GMC Infotainment System
- Multi-touch display and AM/FM/SiriusXM1(trial subscription), stereo
- HD Radio capability
- Bluetooth娨2 streaming audio for music and select phones
- Apple CarPlay™ capability for compatible phones3
- Android Auto™ capability for compatible phones4
- Use, control and manage select smartphone apps through the Infotainment system
- Voice-activated technology for phone
- USB port(s)5 to play stored audio files through your vehicle's audio system
- SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations.)
- SiriusXM Radio
- Not Equipped with HD Radio
- Certain 21MY vehicles will not be equipped with HD Radio. Contact a dealer for details on a specific vehicle
- Tailgate with EZ Lift assist, power lock & release
- Hitch area lighting
- May require additional optional equipment
- GMC MultiPro Tailgate
- Six function tailgate designed to help improve loading, unloading and accessing the cargo box
- Deep-tinted glass
- Provides added protection from sun and glare
- 17" full-size spare steel wheel with Black finish
- Grille (Chrome surround with high gloss Black mesh and Chrome inserts.)
- Spare tire carrier lock
- Helps keep spare tire secure
- Utilizes the same key as the door and ignition
- Heated, power, driver-side auto-dimming, power-folding outside mirrors
- Puddle lamps
- Perimeter lighting
- Memory setting
- LED signature tail lamps
- C-shaped LED taillamps with LED stop and reverse light
- Brighter and lasts longer than traditional incandescent bulbs
- Chrome mirror caps
- Rear wheelhouse liners
- Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather
- Chrome rear bumper
- With integrated CornerSteps
- Cargo bed LED lighting
- Provides light to find cargo in the bed
- Rear pillar lamps
- LED fog lamps
- Help minimize glare in adverse driving conditions
- Cab-mounted cargo area lamps
- With switch in switch bank left of the steering wheel
- Illuminates the cargo bed area
- Chrome front bumper
- LED reflector (high intensity) headlamps with LED turn signals and LED signature Daytime Running Lamps
- C-shaped LED headlamps with signature lighting and innovative light blade technology
- Full chrome surround window moldings
- CornerStep rear bumper
- Helps make it easier to get into and out of the pickup bed
- Located at each end of the rear bumper
- Textured step pads to help provide secure footing
- Tailgate and bed rail protection caps
- Chrome door handles
- Spray-on bedliner
- Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
- Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
- Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
- Includes logo
- Does not include spray-on liner on tailgate due to Black composite inner panel
- 20" polished aluminum wheels
- May require additional optional equipment
- Quicksilver Metallic
- 17" 255/80R17SL all-season, blackwall spare tire
- Front license plate bracket
- Front bracket is included if displaying a front license plate is required in your state
- 20" 275/60R20SL all-terrain, blackwall tires
- 4.2" diagonal color Driver Information Center
- Includes driver personalization, warning messages and vehicle information
- 12-volt auxiliary rear power outlet
- 120-volt power outlet
- 3-prong auxiliary household-style outlet
- Located on the instrument panel
- Makes it convenient for powering laptops, phone chargers and other electronic devices
- May require additional optional equipment
- Inside rearview auto-dimming mirror
- Automatically dims the inside rearview mirror when it senses bright light from behind
- When headlamp glare is no longer detected, the mirror returns to its normal state
- Rear window defogger
- Helps to keep your rear view clear of fog or frost
- Utilizes a warming grid to help remove fog or frost from the rear window
- Steering column lock control
- Helps prevent theft by allowing the steering wheel to operate only with the proper key fob
- USB ports
- 2-Instrument Panel with bench seat, also includes 1 SD card reader (first row)1 (models equipped with front bench seat)
- 2-Inside Console with bucket seats, also includes 1 SD card reader and auxiliary jack1 (models equipped with front bucket seats)
- Manual tilt and telescoping steering column
- Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
- Provides extra comfort when entering or exiting the vehicle
- Power windows
- Front passenger with express-up/down
- May require additional optional equipment
- Brake pad wear indicator
- Up-level rear seat with storage package
- Full-length bench seat
- Seatback storage on left and right side
- Center fold out armrest with 2 cupholders
- Underseat storage (full cab width)
- Carpeted floor covering
- Color-keyed to match the interior
- Assist handles
- Front A-pillar mounted for Driver and Passenger
- Rear B-pillar mounted
- Power windows
- Driver with express-up/down
- May require additional optional equipment
- Compass, located in instrument cluster
- 10-way power driver seat with power lumbar
- Moves the seat forward and back, and up and down
- Tilt the seat cushion and seatbacks
- Power door locks
- Programmable
- Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob
- Cruise control
- Maintains a selected speed while driving
- Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
- Set and resume speed functions
- Steering-wheel mounted controls to easily maintain and manage cruising speed
- 10-way power front passenger seat
- Forward and back
- Up and down
- Tilt seat cushion back and upright
- Recline seatback up and down
- Includes 2-way power lumbar
- Heated steering wheel
- With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
- Theft-deterrent unauthorized entry system
- Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
- Helps deter unauthorized entry, helping to protect your vehicle
- Dual-zone automatic climate control
- Automatically maintains the selected temperatures for both the driver and front passenger
- Allows individual climate settings for both driver and front passenger
- Driver and front passenger can choose a temperature up to 30 degrees difference
- Certain vehicles built on or after 9-6-2021 are not equipped with the digital temperature display on the Climate Control Knobs. Contact a dealer for details on a specific vehicle
- Power windows with rear express-down
- May require additional optional equipment
- Driver memory
- Recalls 2 driver presets for 10-way power seat and outside mirrors
- May require additional optional equipment
- 120-volt box-mounted power outlet
- 3-prong auxiliary household-style outlet
- Located in the pickup bed
- May require additional optional equipment
- Outside temperature display
- Located in infotainment display
- Rear air vents
- Provides cabin comfort for rear occupants
- 40/20/40 split-bench front seat with under-seat storage
- Seating for up to 3
- Driver and front passenger seatbacks recline
- Head restraints at the outboard seating positions
- Center seatback that doubles as a fold-down armrest with storage
- Heated driver and front outboard passenger seats
- Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
- At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
- Individually controlled
- Seats can be programmed to automatically warm up when it's cold out
- In-vehicle Trailering App
- Checklist1
- Trailer light sequencing
- Trailer maintenance reminders
- Trailer security alerts
- Trailer mileage
- Tow/haul reminder
- Trailer electrical diagnostics
- Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
- May require additional optional equipment
- Leather-wrapped steering wheel
- May require additional optional equipment
- GMC Connected Access capable
- Subject to terms. See onstar.com or dealer for details.
- May require additional optional equipment
- 12-volt auxiliary front power outlet
- May require additional optional equipment
- All-weather floor liners
- Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
- Include Brand logo
- Provides coverage for first and second-row seating
- Replaces factory floor mats
- Jet Black, Perforated leather-appointed front outboard seat trim
- Pickup bed
- Roll-formed high-strength steel
- 3.23 rear axle ratio
- May require additional optional equipment
- Electric Power Steering
- Increases or decreases the amount of assist depending on the steering wheel angle
- Electric, rack-mounted with variable assist
- The system delivers great on-center precision and confident performance at higher speeds
- Steering assist is greater during low-speed maneuvers, such as parking
- Aluminized stainless-steel muffler and tailpipe
- Capless fuel fill
- Prevents paint scratches that can result from a tethered fuel cap
- Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
- Fully boxed frame
- Hydroformed front section
- High-strength steel
- Black vertical recovery hooks
- Two front frame-mounted1
- 4-wheel antilock disc brakes
- Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
- Duralife brake rotors have better resistance to corrosion to increase rotor life, minimize brake pulsation, and improve aesthetic appearance
- Brake system features a corrosion-fighting process called "Ferritic Nitro Carburizing" which can double rotor life expectancy and reduce or minimize rust
- Integrated trailer brake controller
- Integrated with the antilock brake system (ABS)
- Helps provide measured brake force signaling to electric-controlled trailer brake systems
- Trailer gain and output are displayed in the Driver Information Center
- Cargo tie-downs
- 12-fixed rated at 500 lbs. per corner
- Four wheel drive
- Automatic locking rear differential
- When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
- The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
- Heavy-Duty Air Filter
- Thick construction helps to trap more dirt before it can enter the air intake
- May require additional optional equipment
- 7,200 lbs. GVWR
- When properly equipped; includes weight of vehicle, passengers, cargo and equipment
- May require additional optional equipment
- 2-speed Autotrac Transfer Case
- 2WD HI mode
- Vehicle operates in 2-wheel drive
- In this mode the transfer case & front driveline hardware are disengaged to improve fuel economy
- Suitable for routine driving on all road surfaces
- 4WD Auto mode
- 4WD Auto enables the transfer-case to provide the performance benefits of a full time active AWD system
- The 4WD Auto controls automatically adjust torque in response to parameters such as driver inputs, wheel slip control, vehicle dynamic state (understeer/oversteer)
- Ideal for wet or wintry conditions, but can be used on any road surface. Suitable for light off road usage
- 4WD HI mode
- Transfer case engages front driveline and power is transferred to both the front & rear axles
- In 4WD HI the transfer case clutch maintains higher preemptive torque levels for increased traction vs 4WD Auto
- Suitable for use on slippery road surfaces or off-road conditions such as deep sand, snow or rough terrain
- 4WD LO mode
- In 4WD Low the transfer case clutch maintains a high preemptive coupling torque to maximize traction and improve wheel control when climbing or descending steep grades or obstacles
- Suitable for off road usage, steep terrain, deep snow or sand
- Ideal for off road driving to maximize low speed traction and increase control on steep grades
- Neutral
- ONLY used for towing vehicle (Dinghy tow capability)- allows vehicle to roll freely
- May require additional optional equipment
- Dual-outlet exhaust
- Integrated into rear bumper
- Premium exhaust outlets
- Aluminized stainless-steel muffler and tailpipes
- May require additional optional equipment
- Emissions, Federal requirements
- Hill Descent Control
- Uses antilock braking to help provide a smooth, controlled descent
- Helps driver maintain control of the vehicle without depressing the brake pedal
- Activates by pushing a button below the instrument panel
- May require additional optional equipment
- Skid plates
- Help protect the front underbody, oil pan, differential case and transfer case
- May require additional optional equipment
- 220-amp alternator
- May require additional optional equipment
- ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
- Trailering Package
- Trailer Hitch1
- Trailering hitch platform
- Includes a 2" receiver hitch, 4-pin and 7-pin connectors
- 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
- Automatic locking rear differential
- Hitch Guidance2
- SLT Preferred Equipment Group includes standard equipment
- X31 Off-Road and Protection Package
- X31 Off-Road Package
- Spray-on bedliner
- All-weather floor liners
- X31 badge (replaces "4X4" badge on bed)
- SLT includes 20" Polished aluminum wheels with 20" 275/60R20 all-terrain, blackwall tires
- X31 Off-Road Package
- Off-Road suspension
- Hill Descent Control
- Skid plates
- Heavy-duty air filter
- Rancho® shocks
- X31 hard badge
- Integrated dual exhaust with SLE, Elevation Double Cab and SLT
- Sierra (1SA) and SLE also includes:
- Trailering Package
- Trailer hitch, 7-pin and 4-pin connectors
- Hitch Guidance1
- Locking differential
- 2-speed Autotrac Transfer Case
- May require additional optional equipment
- LED Daytime Running Lamps
- Daytime Running Lamps automatically illuminate signature lighting
- Hitch Guidance
- Displays a guideline on the Rear Vision Camera view when you're in Reverse to help line up your hitch to your trailer1
- When driving, Hitch Guidance allows you to briefly check your trailer using the Rear Vision Camera view
- Rear Seat Reminder
- Helps to remind the driver to check the back seat(s) before leaving the vehicle1
- Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
- Under certain conditions, once the vehicle is switched off, designed to sound 5 audible chimes and display a visual message within the Driver Information Center
- Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
- Tire Pressure Monitoring System
- Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1
- Properly inflate tires to help optimize your vehicle's ride, handling and efficiency
- Includes Tire Fill Alert1
- 6 airbags
- Dual-stage frontal airbags for driver and front outboard passenger1
- Seat-mounted side-impact airbags for driver and front outboard passenger1
- Head-curtain airbags for outboard seating positions1
- Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
- Hitch Guidance with Hitch View
- Displays a guideline on the Rear Vision Camera view when you're in Reverse to help line up your hitch to your trailer and offers a close-up Hitch View1
- When driving, Hitch Guidance with Hitch View allows you to briefly check your trailer connection using the Rear Vision Camera view
- When Hitch View is in use, automatically applies electric parking brake when shifting to Park
- May require additional optional equipment
- OnStar® & GMC Connected Services capable
- Terms and limitations apply. See onstar.com or dealer for details.
- Teen Driver
- This configurable feature lets you activate customizable vehicle settings associated with a key fob to help encourage better driving behavior
- It can limit certain vehicle features, and automatically turns on certain safety systems if vehicle is equipped
- An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- HD Rear Vision Camera
- Shows you a high-resolution digital image of the area directly behind your vehicle when you're in Reverse at low speeds1
- This may help you park and avoid nearby objects
- Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
- May require additional optional equipment
- DriveType: Four Wheel Drive
- City: 14 MPG
- Hwy: 20 MPG
- Combined: 16 MPG
- Fuel System: Direct Injection
- Fuel Tank Capacity: 24 gal
- Fuel Type: Diesel Fuel
- Horse Power: 355
- Rear Wheel: Single
- Trailering Capacity: 9200 lbs
: It is the responsibility of the buyer to address any and all differences between information on this page and the actual vehicle and/or any warranties offered PRIOR TO THE SALE OF THIS VEHICLE. Data on this page is compiled from publicly available sources believed by the publisher to be reliable. The publisher assumes no responsibility for errors and/or omissions in the compilation of this data, and makes no representations, expressed or implied, to any actual or prospective purchaser of this vehicle as to the condition of the vehicle, ownership, vehicle history, listed equipment/accessories, price or warranties. Fuel economy estimates are for newly manufactured vehicles. Actual fuel economy may vary with driving conditions, vehicle conditions, and vehicle age. See dealer for details. At Runde's, we have no doc. or prep fees ever!
: It is the responsibility of the buyer to address any and all differences between information on this page and the actual vehicle and/or any warranties offered PRIOR TO THE SALE OF THIS VEHICLE. Data on this page is compiled from publicly available sources believed by the publisher to be reliable. The publisher assumes no responsibility for errors and/or omissions in the compilation of this data, and makes no representations, expressed or implied, to any actual or prospective purchaser of this vehicle as to the condition of the vehicle, ownership, vehicle history, listed equipment/accessories, price or warranties. Fuel economy estimates are for newly manufactured vehicles. Actual fuel economy may vary with driving conditions, vehicle conditions, and vehicle age. See dealer for details. At Runde's, we have no doc. or prep fees ever!
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
