According to a website I was looking at :
For the 1992 Mercury Cougar , 3.8 litre V6 , 4 speed automatic transmission :
( 18 city / 25 highway , miles per U.S. gallon )
I get 25/33 mpg
Is this a trick question , because there wasn't a 1998 model year for the Mercury Cougar The 1997 Mercury Cougar , with the 3.8 liter V6 engine , has a ( 18.0 US. gallon tank The 1999 Mercury Cougar , with the 2.5 liter V6 engine , has a ( 15.4 US. gallon tank )
The 1997 Mercury Cougar gas tank holds ( 18 U.S. gallons )
The ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
The ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
For a 2000 Mercury Cougar : The tank holds ( 15.4 US. gallons )
A ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
According to the 1996 Mercury Cougar Owner Guide : ( 18.0 US. gallons )
According to the 2001 Mercury Cougar Owner Guide : ( the fuel tank holds 15.4 US. gallons )
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According to my Chilton's Auto Repair Manual : For a 1991 Mercury Cougar : ( 19.0 U.S. gallons )