Multiple aspects have an influence on the lifespan of a brake disc. It’s noted that under regular driving conditions, the lifespan of a brake disc will be roughly anywhere between 30,000 and 70,000 miles. However, aggressive driving behavior, frequent heavy braking, and towing can drastically shorten this lifespan. Discs made from high-quality materials and proper maintenance like regular cleaning or wear checks can extend its life even further. Additionally, the type of vehicle and its weight will influence how long the brake disc serves its purpose.