The 2000 Mercury Cougar is available as a 2-door, 4-seat coupe. Starting at $16,540, the 2000 Mercury Cougar I4 is powered by a 2.0LL , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 24-mpg in the city and 34-mpg on the highway. The top of the line 2000MercuryCougarV6 , priced at $ 17,040 , is powered by a 2.5LL , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 29-mpg on the highway.