One problem related to brake disc rotor has been reported for the 2001 Hyundai XG300. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Hyundai XG300 based on all problems reported for the 2001 XG300.
When the brake pedal was depressed from any speed vehicle vibrated. This was caused by warped brake rotors. Dealership replaced and re surfaced the rotor, but the problem still occurs.