
2021 GMC Sierra 1500
Mileage: 106,452 ยท Milan, IN
$1,971 Above market
2021 GMC Sierra 1500 SLT Crew Cab 4WD
Milan, IN
$33,999
$1,971 above marketย
Dealer rating
Request information
Features
Mileage
106,452
Drivetrain
Four-Wheel Drive
Exterior color
Cardinal Red
Interior color
Dark Walnut/Slate
MPG
24 MPG
Engine
277 hp 3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2021
- Trim:SLT
- Body type:Pickup Truck
- Exterior color:Cardinal Red
- Interior color:Dark Walnut/Slate
- Mileage:106,452 mi
- Condition:Used
- VIN:3GTU9DET0MG424622
- Stock number:49143
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:
- ABS Brakes
- Backup Camera
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
- Alloy Wheels
- Android Auto
- Bluetooth
- CarPlay
- Convenience Package
- Heated Seats
- Off Road Package
- Remote Start
- Trailer Package
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
1 previous owner
Vehicle has one previous owner.
Work fleet vehicle use
Reported as corporate leased vehicle.
Pricing
$33,999
$32,028
Avg. market price (IMV)
This car is $1,971 above market price. We compared this car with similar 2021 GMC Sierra 1500 based on price, mileage, features, condition, dealer reputation, and other factors.
- Selling slowlyOn the market longer than average. There may be flexibility on price.
- Price increasedPrice went up by $4.
Dealer

Dealer reviews
Dealer's description
Diesel Strength Meets Premium Comfort Drive Your Dreams in This 2021 GMC Sierra 1500 SLT At Tom Tepe Autocenter in Milan, Indiana, along with Car Country in Aurora, Indiana, and Harrison, Ohio, we know truck owners across Southeast Indiana, Greater Cincinnati, and Northern Kentucky expect their pickup to work hard, look sharp, and deliver modern comfort and technology. This 2021 GMC Sierra 1500 SLT 4WD in striking Cardinal Red is built to meet those expectations and exceed them. Under the hood, the highly efficient and torque-rich 3.0L Duramax I6 turbo-diesel paired with a smooth 10-speed automatic transmission delivers impressive pulling power and refined highway performance. Whether youre towing equipment, hauling materials, or cruising through the Cincinnati Metro area, this Sierra provides the muscle and efficiency truck owners appreciate. The ProGrade Trailering System, Integrated Trailer Brake Controller, Hitch Guidance with Hitch View, and the In-Vehicle Trailering App help make towing more controlled and less stressful. Capability doesnt stop there. The X31 Off-Road Package adds off-road suspension, hill descent control, and rugged performance for uneven terrain and challenging job sites. Combined with the Auto-Locking Rear Differential and heavy-duty suspension, this Sierra is ready for workdays in Milan or weekend adventures beyond Aurora and Harrison. Step inside and the SLT trim welcomes you with premium refinement. The Dark Walnut and Slate perforated leather-appointed seating, heated and ventilated front seats, heated rear outboard seats, and heated steering wheel create year-round comfort for both driver and passengers. Memory settings for the drivers seat help maintain your perfect driving position, while dual-zone automatic climate control ensures everyone rides in comfort. Technology plays a major role in the Sierras daily usability. Apple CarPlay and Android Auto allow seamless smartphone integration, while SiriusXM with 360L capability and the GMC Infotainment System deliver entertainment wherever the road leads. The available 4G LTE Wi-Fi hotspot helps keep passengers connected, whether youre commuting or heading out on a road trip. Practical features make this truck even more versatile. The 120-volt bed-mounted power outlet, additional 120-volt interior outlet, LED cargo area lighting, and spray-on pickup bed liner with GMC logo make loading, hauling, and working easier. A power sliding rear window and remote vehicle starter system add everyday convenience, especially during those cold Indiana mornings. Finished with bold styling touches like a chrome grille, dual exhaust with premium tips, and 18-inch machined aluminum wheels, this Sierra SLT projects confidence whether its parked in Harrison or rolling through downtown Cincinnati. At Tom Tepe Autocenter and Car Country, we proudly offer vehicles priced at or under market value, fully inspected and ASE-certified reconditioned for added peace of mind. From used truck sales and competitive automotive financing to trade-in appraisals and professional vehicle maintenance, we serve drivers in Milan, Aurora, Harrison, Greater Cincinnati, and Northern Kentucky with pride. Ready to elevate your daily drive with diesel power and premium comfort? Visit https://www.TomTepe.com/ to explore more photos, details, and helpful automotive content, or call 812-654-3001 for additional information. Your next truck is waiting. #TomTepeAutocenter #CarCountry #MilanIN #AuroraIN #HarrisonOH #GreaterCincinnati #NorthernKentucky #GMCSierra1500 #SierraSLT #DuramaxDiesel #DriveYourDreams Key Features: 3.0L Duramax Turbo-Diesel I6 Engine 10-Speed Automatic Transmission with 4WD X31 Off-Road Package ProGrade Trailering System with Integrated Trailer Brake Controller Heated & Ventilated Front Seats Heated Rear Outboard Seats & Heated Steering Wheel Spray-On Pickup Bed Liner with GMC Logo 120-Volt Bed & Interior Power Outlets
Additional Information
Preferred Equipment Group 4SA,SLT Convenience Package,Trailering Package,X31 Off-Road Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,Not Equipped w/HD Radio,Premium audio system: GMC Infotainment System,Radio data system,Radio: Premium GMC Infotainment Sys w/Multi-Touch,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,Auto-Locking Rear Differential,Electrical Lock Control Steering Column,Heavy Duty Suspension,Manual Tilt-Wheel & Telescoping Steering Column,Off-Road Suspension,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,Hill Descent Control,Delay-off headlights,Front fog lights,Fully automatic headlights,Dual Exhaust w/Premium Tips,Panic alarm,Security system,Theft Deterrent System (Unauthorized Entry),Speed control,170 Amp Alternator,220 Amp Alternator,Auxiliary External Transmission Oil Cooler,Engine Block Heater,Heavy-Duty Air Filter,Auto-dimming door mirrors,Bumpers: chrome,Chrome Grille,Front License Plate Kit,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,X31 Hard Badge,2 USB Ports,2 USB Ports (1st Row),4G LTE Wi-Fi Hotspot Capable,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,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Dual USB Charging-Only Ports,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Voltmeter,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,Perf Leather-Appointed Front Outboard 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,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
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