Here is the advertisement for the 2021 GMC Sierra 1500 AT4:

This 2021 GMC Sierra 1500 AT4 is ready to elevate your driving experience. Equipped with an EcoTec3 6.2L V8 engine and 10-speed automatic transmission, this powerful truck delivers impressive performance and capability.

- LPO, ALL-WEATHER FLOOR LINERS, 1ST AND 2ND ROWS (includes AT4 logo)
- SUNROOF, POWER
- TECHNOLOGY PACKAGE
- AT4 PREMIUM PACKAGE
- DRIVER ALERT PACKAGE II
- MULTIPRO AUDIO SYSTEM BY KICKER
- TRAILER TIRE PRESSURE MONITOR SENSORS
- LPO, TRI-FOLD HARD TONNEAU COVER

The Sierra AT4 is built for adventure, with features like an off-road suspension, 4WD, and all-terrain tires to conquer any terrain. The interior is equally impressive, boasting premium Bose audio, wireless charging, and a 15-inch head-up display.

With 420 horsepower and 460 lb-ft of torque, this Sierra AT4 delivers the power you need for towing, hauling, and conquering the great outdoors. The ProGrade Trailering System and Trailer Tire Pressure Monitor Sensors provide added confidence and control when hauling your toys.

Elevate your driving experience in this well-equipped 2021 GMC Sierra 1500 AT4. Schedule a test drive today and discover the ultimate combination of capability, technology, and style.