According to the 2000 Mercury Cougar Owner Guide :
Both the 2.0 litre four cylinder and the 2.5 litre V6 engines came with
the Motorcraft BXT-40R battery
( that's BCI group size 40R )
The 2000 Mercury Cougar V6 engine takes a ( BCI Group Size 40 R ) battery The battery dimensions are : Length ( 10.90 inches / 277 mm ) Width ( 6.42 inches / 174 mm ) Height ( 6.88 inches / 175 mm )
5X7 all around
my tire sizes for my cougar are P215/50R16 or go here so you can find your size http://www.dragtimes.com/Mercury-Cougar-Tires-m31-n237.html
On a 2000 Mercury Cougar : Open the drivers door , and on the end of the door ( or the latch pillar ) you will see an information sticker . One of the things it shows is the original size of tires on the vehicle from the factory
On a 1996 Mercury Cougar , that came with the 4.6 litre V8 engine : It either came with the Motorcraft BXT-65-650 battery or the optional Motorcraft BXT-65-850 battery ( that's BCI group size 65 , 650 or 850 cold cranking amps with the 4.6 , V8 )
According to the 1997 Mercury Cougar Owner Guide : Each remote takes ( 2 ) coin type , 3 volt lithium batteries ( # 2016 )
Call your local Auto Part store.
2.0 liter ( 121 cubic inch ) DOHC - 4 cylinder engine
all speakers are 5"x7" - its a special size for cars made by ford motor company
215/50r16
What is the motor size? Run1
205/75R14