Promotion requires completed trade-in of a gas or hybrid vehicle and is subject to change or end at any time. Supercharging miles expire two years after delivery date and cannot be postponed, assigned or redeemed for cash. Supercharging-related fees, like congestion fees, still apply. Used cars and B2B sales not eligible. Promotional miles may be revoked if the trade-in cannot be completed for any reason. Actual miles may vary and is dependent on factors like driving behavior and environment. Terms and conditions apply. Learn more.