Engineers worked to make this already powerful engine perform more efficiently by optimizing its cooling capacity by way of a large radiator and fan and improving the air induction system.
All Sierra Heavy Duty models are equipped with trailering mirrors. Also offered are:
The Side Bed Step conveniently located just in front of the rear wheel arches complements the large CornerStep rear bumper to help provide easy access when grabbing equipment from the cargo bed.
All Sierra Heavy Duty models are equipped with LED daytime running lamps, halogen taillamps and wheel molding amber arch lamps over each wheel. Also available are:
Lighted center console storage with available console-mounted safe accessory, and large lower lockable glove box and upper glove box.
It’s OK to leave the cords at home. The available wireless charging pad has excellent charging abilities. Wireless phone projection via Apple CarPlay® and Android AutoTM compatibility.
myGMC Mobile App Trailering Features include:
Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:
This feature can alert you if you might be unintentionally drifting out of detected lane lines so you can quickly take action. It will not alert you if you’re using your turn signal or it detects you may be intentionally leaving your lane. Standard on Denali. Available AT4, SLT and SLE.
Front and Rear Park Assist can provide alerts to nearby detected objects in front of or behind your truck to help you park and avoid collisions at low speeds. Standard on Denali. Available on AT4, SLT, SLE and Sierra HD Pro.
The available Safety Alert Seat uses left, right or both-side driver seat vibration pulses to help you identify the direction of potential crashes so you can quickly take action. You can also switch to beeping crash avoidance alerts. Standard on Denali. Available on AT4 and SLT.