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 youâre 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 doesnât 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 driverâs 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 Sierraâs 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 youâre 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 itâs 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.
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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
2021 GMC Sierra 1500 SLT
- Used
- Diesel
The full specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 24 gal
- Horsepower: 277
Notes from the dealer
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
A name you can trust
Tom Tepe Auto Center is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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