The majority of mechanics agree that brake rotors should last at least 50,000 miles, and can last well beyond 100,000 miles depending on your driving style and where you drive. You can tell when it’s time to replace your vehicle’s rotors if you feel any vibration or pulsation when you apply the brakes.4 There may also be a blue discoloration of the rotor surface which further indicates that it’s time to replace your rotors.