A 1993 Honda Civic automatic transmission holds 2.9 quarts of fluid. The factory recommendation is Honda Genuine ATF-Z1 automatic transmission fluid. An alternative is a DEXRON II (now replaced by DEXRON III).
Get 6 that should be plenty
It depends on the transmission, which you did not list.
My 1991 Buick Century won't move or hold transmission fluid
How many quarts of automatic transmission fluid does the 2001 Toyota Avalon automatic transmission hold?
When you change the fluid and filter it will hold, 4.2 qts (3 speed trans.) 5.0 qts for a 4 speed.
The 1996 F150 owners manual shows for the 5 - speed overdrive manual transmission ( Mazda R2 ) - 3.8 U.S. quarts ( 3.6 liters )
6 quarts transmission fluid
Dry fill is about 9 quarts. Use Mopar ATF+4 only.
8.6 Quarts With automatic transmission Total refill (includes torque converter)
Your 1992 Toyota transmission will hold 12 quarts of transmission fluid, when it is empty. You can check the transmission fluid level with the dipstick.
It is important to maintain the quantity of the transmission fluid of a 1997 Ford Taurus. The transmission fluid capacity of this vehicle is 13.3 quarts.