The most capable truck ever is the 2021 GMC Sierra 3500HD AT4 that is exactly the truck you need in your life. This unique and well-equipped truck offers practicality and functionality. Starting with a crew cab design and a refreshed exterior styling. Starting at the front you'll notice a youthful design including the tri-bar grille, LED lighting, and signature GMC emblems. The front is equipped with unique and exclusive red tow hooks. Under the hood is the trusted 6.6L V8 Duramax diesel engine paired to a 10-speed automatic transmission and electronic shifting 4-wheel drive. The side features AT4 badges, alloy wheels body-color mirror caps and door handles, and privacy tinted rear windows. Working to the rear of this truck we have a step style rear bumper, and a rear-view camera. The towing package has 7 and 4 pins of electrical connection, and capable to suit your towing needs. Climb inside and find 5 passenger seating with a two-tone interior unique to this package. The driver is sure to love the power seats with heated seat option and memory recall, automatic headlamps, steering wheel controls with Bluetooth phone capabilities. The digital dash display includes valuable information regarding trip A/B, fuel economy, and engine reports. The entertainment zone includes Apple CarPlay, Android Auto, and many other great features. The satellite radio will have you enjoying your daily drive. This truck has lane departure warning, auto-start stop, cargo lamps, hill descent cruise control, and ample power supplies to charge your devices. The most capable truck on the market is sure to enhance your busy life. Come experience the GMC Sierra 3500HD AT4, in-store today. Schedule your test drive today!