
2020 GMC Sierra 1500
Mileage: 74,833 · Bad Axe, MI
$1,054 Below market
2020 GMC Sierra 1500 SLT Crew Cab 4WD
Bad Axe, MI
$33,190
Dealer rating
Request information
Features
Mileage
74,833
Drivetrain
Four-Wheel Drive
Exterior color
Summit White
Interior color
Jet Black
MPG
24 MPG
Engine
277 hp 3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2020
- Trim:SLT
- Body type:Pickup Truck
- Exterior color:Summit White
- Interior color:Jet Black
- Mileage:74,833 mi
- Condition:Used
- VIN:3GTU9DET0LG312482
- Stock number:6940A
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:24 MPG
- City gas mileage:22 MPG
- Highway gas mileage:26 MPG
- Fuel type:Diesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:277 hp 3L I6 Diesel
- Horsepower:277 hp
Safety
- NHTSA overall safety rating:
- NHTSA frontal crash rating:
- NHTSA side crash rating:
- NHTSA rollover rating:
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
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History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
1 previous owner
Vehicle has one previous owner.
Pricing

No price changes
46 days at this dealership

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Dealer

Dealer reviews
Dealer's description
Why buy this vehicle from Flannery Auto Mall? This vehicle has been hand-selected, professionally inspected, and serviced by our experienced technicians before being offered for sale. We do not shortcut reconditioning or push problem vehicles our pricing reflects condition, transparency, and peace of mind, not just a number on a screen. Thorough multi-point inspection completed Vehicle history reviewed Clean, ready-to-drive condition Family owned and serving our community since 1938, Flannery Auto Mall has built its reputation on straightforward transactions and standing behind the vehicles we sell. Many listings may look similar online, but condition, inspection, and dealer reputation matter long after the purchase. This vehicle is backed by the GM CarBravo program and includes a 12-month / 12,000-mile limited warranty for added peace of mind. Recent service has been completed please ask for details. If you value a well-prepared vehicle, factory-backed protection, and a - One Owner - 3.0L Duramax Diesel Turbocharged Engine with 460 lb-ft of torque - Spray-On Bed Liner with GMC logo - SLT Premium Package with 20" polished aluminum wheels and chrome assist steps - 8" Premium GMC Infotainment with Navigation - Bose Premium Audio System with SiriusXM 360L - Wireless Charging - Driver Alert Package I with front and rear park assist, lane change alert, and rear cross traffic alert - Heated and ventilated front seats with heated steering wheel - ProGrade Trailering System with integrated trailer brake controller - 4WD with heavy-duty rear locking differential - Remote vehicle starter and keyless open and start - All-weather floor liners - 120-volt bed-mounted power outlet This 2020 GMC Sierra 1500 SLT represents capable, well-equipped truck ownership. The 3.0L Duramax diesel engine delivers strong torque and fuel efficiency, achieving 22 MPG city and 26 MPG highway. Combined with the 10-speed automatic transmission and 4WD capability, this Sierra handles both daily driving and serious work with confidence. The SLT trim provides genuine comfort and convenience. Heated and ventilated front seats keep you comfortable in any season, while the premium Bose audio system and 8-inch infotainment display with navigation make every drive more enjoyable. Wireless charging and multiple USB ports ensure your devices stay powered throughout the day. This truck is designed for those who need genuine trailering capability. The ProGrade Trailering System includes hitch guidance with hitch view, an integrated trailer brake controller, and an in-vehicle trailering app. The heavy-duty rear locking differential and auxiliary transmission oil cooler support confident towing. Chrome assist steps and the spray-on bed liner add both functionality and protection. Safety and driver assistance features come standard with the Driver Alert Package I, which includes front and rear park assist, lane change alert with side blind zone alert, and rear cross traffic alert. The power sliding rear window, remote keyless entry, and keyless start make daily operation intuitive and secure. With one owner, comprehensive inspection completed, and recent service performed, this Sierra is ready for ownership. The combination of diesel efficiency, premium appointments, and proven GMC reliability makes this truck a practical choice for buyers seeking capability without compromise. Payment shown is for illustrative purposes only and based on approved credit, specific term length, and lender programs. Taxes, title, license, and fees are additional. Not all buyers will qualify. See dealer for complete details
Additional Information
Driver Alert Package I,Preferred Equipment Group 4SA,SLT Convenience Package,SLT Preferred Package,SLT Premium Package,Trailering Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,HD Radio,Premium audio system: GMC Infotainment System,Premium Bose 7-Speaker Sound System,Radio data system,Radio: Premium GMC Infotainment Sys w/Multi-Touch,Radio: Premium GMC Infotainment Sys w/Navigation,SiriusXM w/360L,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,12-Volt Rear Auxiliary Power Outlet,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power Front Passenger Windows w/Express Up/Down,Power Front Windows w/Driver Express Up/Down,Power Rear Windows w/Express Down,Power steering,Power windows,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Electrical Lock Control Steering Column,Heavy Duty Suspension,Manual Tilt-Wheel & Telescoping Steering Column,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Door Locks,Brake assist,Electronic Stability Control,Delay-off headlights,Front fog lights,Fully automatic headlights,Perimeter Lighting,Panic alarm,Security system,Theft Deterrent System (Unauthorized Entry),Speed control,Heavy-Duty Rear Locking Differential,170 Amp Alternator,220 Amp Alternator,Auxiliary External Transmission Oil Cooler,Engine Block Heater,Auto-dimming door mirrors,Bumpers: chrome,Chrome Grille,Chrome Wheel To Wheel Assist Steps,Heated door mirrors,LED Cargo Area Lighting,Power door mirrors,ProGrade Trailering System,Rear step bumper,Rear Wheelhouse Liners,Spray-On Pickup Bed Liner w/GMC Logo,2 USB Ports,2 USB Ports (1st Row),4G LTE Wi-Fi Hotspot Capable,All-Weather Floor Liner (LPO),Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Color-Keyed Carpeting Floor Covering,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Front reading lights,GMC Connected Access Capable,Heated steering wheel,Illuminated entry,Lane Change Alert w/Side Blind Zone Alert,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear Dual USB Charging-Only Ports,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Wireless Charging,10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,Front 40/20/40 Split-Bench Seat,Front Bucket Seats,Heated 2nd Row Outboard Seats,Heated Driver & Front Outboard Passenger Seating,Heated front seats,Perforated Leather-Appointed Front Seat Trim,Power passenger seat,Split folding rear seat,Ventilated Driver & Front Passenger Seats,Front Center Armrest w/Storage,Passenger door bin,Front Frame-Mounted Black Recovery Hooks,Hitch Guidance,Hitch Guidance w/Hitch View,In-Vehicle Trailering App,Integrated Trailer Brake Controller,20" x 9" Polished Aluminum Wheels,Alloy wheels,Wheels: 18" x 8.5" 6-Spoke Machined Aluminum,Deep-Tinted Glass,Power Sliding Rear Window w/Rear Defogger,Variably intermittent wipers,3.23 Rear Axle Ratio,***One Owner***
Dealer's disclaimer
Price Disclosure: The price for new vehicles shown reflects available manufacturer incentives, including GM Employee Pricing, which is not available to all consumers. Eligibility requirements apply. Customers who do not qualify for all incentives will receive a higher final price. Please contact dealer for complete details and eligibility. Fees Disclosure: Price does not include sales tax, title, license, registration, or $180 dealer documentary fee. Additional state and local fees may apply. Financing Disclosure: Advertised pricing and offers for new vehicles are contingent on financing through approved lenders. Not all buyers will qualify.
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