2004 Mazda 6S wagon, 9.7 quarts total capacity including torque converter and integral fluid cooler, 85,000 miles. Three drain-and-fills (~3.5 qts each) on respectively October 1, October 15, and October 29, with about 200 driving miles in each of the two intervals between operations. Topped off with Red Line D4 the first two times, and with LubeGard red (10 oz.) and remainder Red Line D4 the third time.