2021 GMC Sierra 1500 AT4 Crew Cab 4WD

FUEL EFFICIENT 26 MPG Hwy/22 MPG City! Heated/Cooled Seats, 4x4, Dual Zone A/C, Remote Engine Start, Onboard Communications System, Back-Up Camera, Turbo, Bed Liner, Tow Hitch, TRANSMISSION, 10-SPEED AUTOMATIC, ELE... AND MORE!

KEY FEATURES INCLUDE

4x4, Heated Driver Seat, Cooled Driver Seat, Back-Up Camera, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C, WiFi Hotspot, Heated Seats, Heated/Cooled Seats. Privacy Glass, Keyless Entry, Steering Wheel Controls, Alarm, Electronic Stability Control.

OPTION PACKAGES

ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (277 hp [206.6 kW] @ 3750 rpm, 460 lb-ft of torque [623.7 N-m] @ 1500 rpm) Includes (KW5) 220-amp alternator and (K05) engine block heater.), AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8 DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (Note: (PZ8) Hitch Guidance with hitch view is included with trim. Includes SiriusXM with 360L.) (STD), SEATS, HEATED SECOND ROW OUTBOARD SEATS Standard on models built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.), TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.) (STD). GMC AT4 with Onyx Black exterior and Jet Black with Kalahari accents interior features a Straight 6 Cylinder Engine with 355 HP at 5600 RPM*.

EXPERTS ARE SAYING

Great Gas Mileage: 26 MPG Hwy.

AFFORDABILITY

Reduced from $44,999. This Sierra 1500 is priced $5,300 below J.D. Power Retail.

WHO WE ARE

At Big Country Auto of Madison County it is our mission to courteously, energetically, and diligently work to provide you, our customer, the best and most reliable transportation. At Big Country Auto of Madison County it is our challenge to serve you and our communities better than anyone in the industry. YOU, the customer, are our past present and future. NEVER be afraid to ask how we can serve you better today. This is our PROMISE to you.

Pricing analysis performed on 3/5/2026. Horsepower calculations based on trim engine configuration. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.

Additional Information

10-Speed A/T,4-Wheel Disc Brakes,8 Cylinder Engine,A/C,A/T,ABS,Adjustable Steering Wheel,Aluminum Wheels,AM/FM Stereo,Apple CarPlay,Auto-Dimming Rearview Mirror,Auxiliary Audio Input,Back-Up Camera,Bed Liner,Bluetooth,Bucket Seats,Climate Control,Cruise Control,Daytime Running Lights,Diesel Fuel,Driver Adjustable Lumbar,Driver Air Bag,Floor Mats,Fog Lamps,Four Wheel Drive,Front Head Air Bag,Front Side Air Bag,Gasoline Fuel,Heated Mirrors,Heated Seats,Heated Seats,Heated Seats,Heated Steering Wheel,Keyless Entry,Keyless Start,Leather Steering Wheel,Locking/Limited Slip Differential,Mirror Memory,MP3 Player,Multi-Zone A/C,Pass-Through Rear Seat,Passenger Adjustable Lumbar,Passenger Air Bag,Power Door Locks,Power Driver Seat,Power Mirror(s),Power Outlet,Power Passenger Seat,Power Steering,Power Windows,Privacy Glass,Rear Defrost,Rear Head Air Bag,Remote Start,Requires Subscription,Satellite Radio,Seat Memory,Security System,Smart Device Integration,Stability Control,Steering Wheel Audio Controls,Straight 6 Cylinder Engine,Telematics,Tire Pressure Monitor,Tires - Front All-Season,Tires - Front All-Terrain,Tires - Rear All-Season,Tires - Rear All-Terrain,Tow Hitch,Tow Hooks,Traction Control,WiFi Hotspot