Your 2011 GMC Sierra 1500 brake rotor provides a surface for your pads to grip and bring you to a stop, so your braking system is only as good as the brake discs. Over time, the friction created by the system will warp rotors, making your car brake less effectively. If you've noticed this happening, you need to inspect them, and replace them if they are warped. Find aftermarket 2011 Sierra 1500 brake rotors that meet or exceed the performance of the factory parts. Buy online and pick them up in a store near you today, or select free next day delivery at checkout to have them shipped to your door.