The 1990 Ford Aerostar Maintenance Information manual says 21 gallons.
According to the 1996 Ford Taurus Owner Guide : ( 16.0 U.S. gallons )
Tank 0n 91 XLT holds 21 U S gallons or 79 Litres
I am almost sure mine is 32 Gallons
The ( 1996 ) Ford Ranger SuperCab holds ( 20.0 U.S. gallons )
For a 1996 Ford Ranger :Regular cab , basic tank 16.5 U.S. gallons , optional tank 20.0SuperCab , 20.0
The 2 door holds 17.5 gallons The 4 door holds 21.0 gallons
A 1996 Ford Explorer XLT has a ( 21 U.S. gallon ) fuel tank
With the 1.9 liter engine ( 11.9 gallons ) With the 1.8 liter DOHC engine ( 13.2 gallons )
It should be the same as my 1995 - 21 gallons (79.5 liters )
21 gallons ( 79.5 liters ) - 4 door 17.5 gallons ( 66.2 liters ) - 2 door
After 1996, they hold 20 gallons