2021 GMC Sierra 1500 AT4 Crew Cab 4WD

Rugged Diesel Power Meets AT4 Luxury Drive Your Dreams in This 2021 GMC Sierra 1500 AT4 At Tom Tepe Autocenter in Milan, Indiana, and Car Country in Aurora, Indiana, and Harrison, Ohio, we know drivers across Southeast Indiana, Greater Cincinnati, and Northern Kentucky expect a truck that can do more than just look tough it has to deliver capability, technology, and everyday comfort. This 2021 GMC Sierra 1500 AT4 in bold Onyx Black brings all of that together in one incredibly capable package. Under the hood, the impressive 3.0L Duramax turbo-diesel inline-6 paired with a 10-speed automatic transmission delivers strong torque, smooth highway cruising, and excellent efficiency for a full-size truck. Whether youre towing equipment across the Cincinnati Metro area or heading off the beaten path for a weekend adventure, this Sierras 4WD system, Auto-Locking Rear Differential, and Off-Road Suspension are ready for the challenge. The AT4 trim is designed for drivers who want rugged capability with premium refinement. Inside, the Jet Black interior with Kalahari accents and perforated leather-appointed seating provides a bold, upscale feel. Heated and ventilated front seats, a heated steering wheel, and dual-zone automatic temperature control keep you comfortable in every season. The 10-way power driver and passenger seats with lumbar support help make long drives through Indiana, Ohio, or Kentucky far more enjoyable. Technology is front and center in this Sierra. Apple CarPlay and Android Auto provide seamless smartphone integration, while the Premium GMC Infotainment System with Navigation keeps you connected and on course. The Bose 7-speaker premium sound system delivers crisp audio, and wireless charging ensures your devices stay powered without cluttering the cabin with cables. With a 4G LTE Wi-Fi hotspot capability, your truck becomes a rolling command center wherever the road takes you. Built for work as well as adventure, this Sierra includes the ProGrade Trailering System, Integrated Trailer Brake Controller, Hitch Guidance with Hitch View, and the In-Vehicle Trailering App, giving you exceptional confidence when towing. The spray-on pickup bed liner with AT4 logo protects your truck bed, while LED cargo lighting helps you load and unload even after sunset. The AT4s rugged personality stands out with red recovery hooks, a body-color surround grille, deep-tinted glass, and 20-inch machined aluminum wheels that command attention in Milan, Aurora, Harrison, and throughout Greater Cincinnati. At Tom Tepe Autocenter and Car Country, we offer vehicles priced at or under market value, fully inspected and ASE-certified reconditioned for peace of mind. From used vehicle sales and competitive automotive financing to trade-in appraisals and expert vehicle maintenance, we proudly serve Milan, Aurora, Harrison, Greater Cincinnati, and Northern Kentucky. Ready to experience diesel capability with premium off-road attitude? Visit https://www.TomTepe.com/ to explore photos, details, and valuable automotive content, or call 812-654-3001 for more information. Your next truck is waiting. #TomTepeAutocenter #CarCountry #MilanIN #AuroraIN #HarrisonOH #GreaterCincinnati #NorthernKentucky #GMCSierra1500 #SierraAT4 #DuramaxDiesel #DriveYourDreams Key Features: 3.0L Duramax Turbo-Diesel I6 Engine 10-Speed Automatic Transmission with 4WD AT4 Off-Road Suspension ProGrade Trailering System with Integrated Trailer Brake Controller Heated & Ventilated Front Seats Premium Bose 7-Speaker Sound System Spray-On Pickup Bed Liner with AT4 Logo Wireless Charging System

Additional Information

AT4 Preferred Package,Preferred Equipment Group 4SB,Trailering Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,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,Auto-Locking Rear Differential,Electrical Lock Control Steering Column,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,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,Body-Color Surround Grille,Bumpers: body-color,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/AT4 Logo,2 USB Ports,2 USB Ports (1st Row),4.2" Diagonal Color Display Driver Info Center,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 Prem Floor Liners w/Removable Carpet Insert,Front reading lights,GMC Connected Access Capable,HD Rear Vision Camera,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 Prem Floor Liners w/Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Voltmeter,Wireless Charging,10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,Front Bucket Seats,Front Center Armrest,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,Ventilated front seats,Passenger door bin,Hitch Guidance,Hitch Guidance w/Hitch View,In-Vehicle Trailering App,Integrated Trailer Brake Controller,Red Recovery Hooks,18" x 8.5" Machined Aluminum Wheels,Alloy wheels,Wheel Locks (Set of 4) (LPO),Wheels: 20" x 9" Machined Aluminum,Deep-Tinted Glass,Power Sliding Rear Window w/Rear Defogger,Variably intermittent wipers,3.23 Rear Axle Ratio,Carfax One-Owner