Sierra AT4 Comes With:- 3 years / 100,000 km Warranty
- GMC 2 year extended warranty package optional*
*Please contact your local dealership for more information.
Just like its driver, it exudes a bold and commanding presence.
To engineer the 2021 GMC Sierra, we went looking for ways to make your experience better and with the MultiPro™ Tailgate, it’s also revolutionary. Sierra offers technological advancements to keep you connected with the world surrounding Sierra.